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Scattered severe thunderstorms will persist into the overnight hours from parts of the central and southern Plains to the Lower Missouri and Middle Mississippi Valleys. Swaths of damaging wind gusts, large hail, and a couple tornadoes are all possible.
← back to overviewSPC AC 140101
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0801 PM CDT Sat Jun 13 2026
Valid 140100Z - 141200Z
THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ACROSS CENTRAL/EASTERN KANSAS…WESTERN/CENTRAL MISSOURI…AND ADJACENT PORTIONS OF NORTHEAST OKLAHOMA AND NORTHWEST ARKANSAS
### SUMMARY
Scattered severe thunderstorms will persist into the overnight hours from parts of the central and southern Plains to the Lower Missouri and Middle Mississippi Valleys. Swaths of damaging wind gusts, large hail, and a couple tornadoes are all possible.
Central/Southern Plains into the Lower Missouri Valley
Along a northeast/southwest-oriented cold front moving southeastward across central KS, an expansive band of upscale-growing convection will continue tracking southeastward into the overnight hours. Steep midlevel lapse rates atop a warm/moist boundary layer is yielding a corridor of strong surface-based buoyancy. This, combined with 40-50 kt of effective shear oriented oblique to the convective gust front, and a gradually strengthening low-level jet (evident in VWP data), will support a swath of severe wind gusts (some 75+ mph) with the MCS. The greatest concentration of severe wind gusts is expected across southeast KS and adjacent portions of northeastern OK and western MO – where the ENH risk remains in place. Additionally, a couple embedded tornadoes cannot be ruled out, given the strengthening low-level jet/shear and moist boundary layer.
Farther south, one dominant right-moving supercell is ongoing along a remnant outflow boundary in north-central OK. This storm will pose the greatest risk of large hail and some tornado risk in the near-term.
..Weinman.. 06/14/2026
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z
Scattered severe thunderstorms capable of damaging wind gusts are expected across the Mid-Atlantic vicinity Sunday afternoon and evening. Additional strong to severe storms are expected across the Upper Ohio Valley and Lower Great Lakes area.
← back to overviewSPC AC 131737
Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1237 PM CDT Sat Jun 13 2026
Valid 141200Z - 151200Z
THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM NORTHERN GEORGIA NORTHWARD INTO PORTIONS OF SOUTHERN NEW ENGLAND
### SUMMARY
Scattered severe thunderstorms capable of damaging wind gusts are expected across the Mid-Atlantic vicinity Sunday afternoon and evening. Additional strong to severe storms are expected across the Upper Ohio Valley and Lower Great Lakes area.
Synopsis
Broad troughing will exist across the eastern US on Sunday with several smaller-scale troughs moving through a longer-wave trough. At the start of the forecast period, one shortwave trough will be moving across the Northeast and a secondary low-amplitude trough will approach the eastern US later in the day. As this happens, low-mid-level southwesterly flow will increase to around 40 knots, providing effective-layer shear sufficient for thunderstorm organization.
Surface dewpoints will increase into the low 60Fs perhaps as far north as central/southern New York ahead of an eastward advancing cold front. Diurnal heating of this moist airmass should result in MLCAPE perhaps as high as 1500-2500 J/kg across the southern Mid-Atlantic, to perhaps 1000 J/kg across portions of New York. Multiple rounds of thunderstorms will be possible along and ahead of the surface front during the afternoon and evening. Damaging wind gusts will be the main concern with these storms, although an isolated tornado will also be possible. Strong consideration was given to increasing wind probabilities to 45% (Level 3/Enhanced) across the central/northern Mid-Atlantic region, but opted to defer any upgrade to later outlooks after collaboration with local offices.
Additional bands/clusters of storms are likely to develop during the afternoon across portions of the Upper Ohio Valley into PA/NY. While instability will be lower across this area, deep-layer flow will be stronger. Linear bands and clusters will pose a risk for isolated severe/damaging wind gusts through the evening.
Southeast NM to the ArkLaTex
A southward sagging surface front/composite outflow will extend west to east across the region. A very moist and moderately unstable airmass will be in place ahead of the front. Isolated convection cold pose a risk for strong wind gusts. Across southeast NM/southwest TX, a few storms could also produce hail. Weak large-scale ascent and convection becoming undercut by the surface boundary will limit overall severe potential.
..Marsh.. 06/13/2026
CLICK TO GET WUUS02 PTSDY2 PRODUCT
NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED BY 0600Z
Scattered thunderstorms over the southern Rockies may result in some severe potential as they move southeast during the afternoon and evening. Elsewhere, scattered thunderstorms are possible from the Gulf Coast states to the Carolinas, and across the northern Plains/Upper Midwest.
← back to overviewSPC AC 131941
Day 3 Convective Outlook CORR 1 NWS Storm Prediction Center Norman OK 0241 PM CDT Sat Jun 13 2026
Valid 151200Z - 161200Z
THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS SOUTHERN ROCKIES INTO THE TEXAS PANHANDLE
CORRECTED FOR CAPITALIZATION OF PANHANDLE
SUMMARY
Scattered thunderstorms over the southern Rockies may result in some severe potential as they move southeast during the afternoon and evening. Elsewhere, scattered thunderstorms are possible from the Gulf Coast states to the Carolinas, and across the northern Plains/Upper Midwest.
Synopsis
Broad mid-level troughing will persist across the eastern half of the US on Monday, downstream of a broad mid-level ridge across the eastern Pacific. A short-wave trough will dive southeast into the north-central US, embedded within the larger-scale northwest flow.
At the surface, a remnant front will be draped across the northern Gulf Coast states, stretching from the southern Rockies east to the Atlantic. Farther north, a second cold front associated with the aforementioned north-central short-wave trough will push southeast into the central Plains and Upper Midwest.
### Southern Rockies into the Texas Panhandle
Weak low-level upslope beneath northwesterly mid-level flow will support isolated to scattered thunderstorms developing across the higher terrain of the southern Rockies. CAPE around 1000-1500 J/kg and effective-layer shear around 30 knots will support some potential for thunderstorms organizing into a southeast-moving MCS capable of producing isolated damaging winds.
### Northern Gulf Coast States
Rich boundary layer moisture will be present south of the sagging/stationary frontal boundary. Diurnal heating of this airmass should support thunderstorm development. This area will be well south of the better mid-level flow thus organized severe potential should remain fairly limited. That said, high precipitable water values and the number of storms across the region may support an isolated damaging wind gust. Overall coverage looks to remain less than 5%.
### Northern/Central Plains
Although low-level moisture will be quite scant across the area, strong mid-upper-level forcing associated with the vorticity maximum moving across the area along with steepening lapse rates may support isolated high-based thunderstorm development. Gusty winds would be possible with any intense updraft, although this should remain fairly isolated and at this time does not warrant unconditional severe probabilities.
..Marsh.. 06/13/2026
CLICK TO GET WUUS03 PTSDY3 PRODUCT
NOTE: THE NEXT DAY 3 OUTLOOK IS SCHEDULED BY 0730Z
You are looking at an outlook that is part of the medium range forecast (the outlook for days 4-8). The most important thing to note is that lack of a risk does not mean zero risk. Generally speaking, confidence has to be pretty high for the Storm Prediction Center to have an outlook area this far into the future.
When no specific risk areas are shown, you might see one of these phrases:
If you bookmark this page, it will continue to update with each new outlook that is issued.
| Day 4 | Tuesday, June 16 | predictability too low |
| Day 5 | Wednesday, June 17 | 15% |
| Day 6 | Thursday, June 18 | 15% |
| Day 7 | Friday, June 19 | predictability too low |
| Day 8 | Saturday, June 20 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 130753 SPC AC 130753
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0253 AM CDT Sat Jun 13 2026
Valid 161200Z - 211200Z
DISCUSSION
Days 5-6/Wed-Thu – Lower MO/Mid-MS Valley to Ohio Valley and Mid-Atlantic
An upper trough is forecast to deepen over the Upper Midwest/Great Lakes on Wednesday. As this occurs, an intensifying 500 mb jet streak will develop across the central Plains and increase to 80-100 kt as it moves into the Mid-MS Valley Wednesday night, and spreads eastward across the Ohio Valley and Northeast on Thursday.
At the surface, low pressure will develop over the northern/central Plains late Tuesday night into early Wednesday. As this occurs, increasing southerly low-level flow will quickly transport rich Gulf moisture northward into the Lower MO/Mid-MS Valley by Wednesday afternoon as the surface low moves across IA and a trailing cold front moves eastward in tandem with the low across portions of the central Plains and Mid-MS Valley. Strong to extreme instability is forecast across the strongly sheared warm sector. An all-hazards severe thunderstorm event appears likely. An intense southwesterly low-level jet is expected to develop during the evening. This could support upscale growth into an MCS moving across portions of the Midwest Wednesday night, posing a risk for swaths of damaging winds.
This system will spread east on Thursday across parts of the Ohio Valley into the Mid-Atlantic/Northeast. A continued risk for all severe hazards, and possible MCS with damaging winds, will persist as the mid/upper jet streak is forecast to remain quite strong as it overspreads a seasonally moist airmass.
While some timing differences of aforementioned features is evident in various NWP guidance, overall medium range consensus and mean calibrated ML/AI guidance suggests a multi-day severe episode is likely as this system overspreads portions of the Midwest to the Mid-Atlantic/Northeast, though the 15 percent risk areas may shift in the coming days as details become better resolved, and higher probabilities are possible in subsequent outlooks. The southern extent of severe potential is more uncertain across parts of the Plains toward the TN Valley as these areas will remain further removed from stronger flow aloft.
..Leitman.. 06/13/2026
CLICK TO GET WUUS48 PTSD48 PRODUCT
You are looking at an outlook that is part of the medium range forecast (the outlook for days 4-8). The most important thing to note is that lack of a risk does not mean zero risk. Generally speaking, confidence has to be pretty high for the Storm Prediction Center to have an outlook area this far into the future.
When no specific risk areas are shown, you might see one of these phrases:
If you bookmark this page, it will continue to update with each new outlook that is issued.
| Day 4 | Tuesday, June 16 | predictability too low |
| Day 5 | Wednesday, June 17 | 15% |
| Day 6 | Thursday, June 18 | 15% |
| Day 7 | Friday, June 19 | predictability too low |
| Day 8 | Saturday, June 20 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 130753 SPC AC 130753
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0253 AM CDT Sat Jun 13 2026
Valid 161200Z - 211200Z
DISCUSSION
Days 5-6/Wed-Thu – Lower MO/Mid-MS Valley to Ohio Valley and Mid-Atlantic
An upper trough is forecast to deepen over the Upper Midwest/Great Lakes on Wednesday. As this occurs, an intensifying 500 mb jet streak will develop across the central Plains and increase to 80-100 kt as it moves into the Mid-MS Valley Wednesday night, and spreads eastward across the Ohio Valley and Northeast on Thursday.
At the surface, low pressure will develop over the northern/central Plains late Tuesday night into early Wednesday. As this occurs, increasing southerly low-level flow will quickly transport rich Gulf moisture northward into the Lower MO/Mid-MS Valley by Wednesday afternoon as the surface low moves across IA and a trailing cold front moves eastward in tandem with the low across portions of the central Plains and Mid-MS Valley. Strong to extreme instability is forecast across the strongly sheared warm sector. An all-hazards severe thunderstorm event appears likely. An intense southwesterly low-level jet is expected to develop during the evening. This could support upscale growth into an MCS moving across portions of the Midwest Wednesday night, posing a risk for swaths of damaging winds.
This system will spread east on Thursday across parts of the Ohio Valley into the Mid-Atlantic/Northeast. A continued risk for all severe hazards, and possible MCS with damaging winds, will persist as the mid/upper jet streak is forecast to remain quite strong as it overspreads a seasonally moist airmass.
While some timing differences of aforementioned features is evident in various NWP guidance, overall medium range consensus and mean calibrated ML/AI guidance suggests a multi-day severe episode is likely as this system overspreads portions of the Midwest to the Mid-Atlantic/Northeast, though the 15 percent risk areas may shift in the coming days as details become better resolved, and higher probabilities are possible in subsequent outlooks. The southern extent of severe potential is more uncertain across parts of the Plains toward the TN Valley as these areas will remain further removed from stronger flow aloft.
..Leitman.. 06/13/2026
CLICK TO GET WUUS48 PTSD48 PRODUCT
You are looking at an outlook that is part of the medium range forecast (the outlook for days 4-8). The most important thing to note is that lack of a risk does not mean zero risk. Generally speaking, confidence has to be pretty high for the Storm Prediction Center to have an outlook area this far into the future.
When no specific risk areas are shown, you might see one of these phrases:
If you bookmark this page, it will continue to update with each new outlook that is issued.
| Day 4 | Tuesday, June 16 | predictability too low |
| Day 5 | Wednesday, June 17 | 15% |
| Day 6 | Thursday, June 18 | 15% |
| Day 7 | Friday, June 19 | predictability too low |
| Day 8 | Saturday, June 20 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 130753 SPC AC 130753
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0253 AM CDT Sat Jun 13 2026
Valid 161200Z - 211200Z
DISCUSSION
Days 5-6/Wed-Thu – Lower MO/Mid-MS Valley to Ohio Valley and Mid-Atlantic
An upper trough is forecast to deepen over the Upper Midwest/Great Lakes on Wednesday. As this occurs, an intensifying 500 mb jet streak will develop across the central Plains and increase to 80-100 kt as it moves into the Mid-MS Valley Wednesday night, and spreads eastward across the Ohio Valley and Northeast on Thursday.
At the surface, low pressure will develop over the northern/central Plains late Tuesday night into early Wednesday. As this occurs, increasing southerly low-level flow will quickly transport rich Gulf moisture northward into the Lower MO/Mid-MS Valley by Wednesday afternoon as the surface low moves across IA and a trailing cold front moves eastward in tandem with the low across portions of the central Plains and Mid-MS Valley. Strong to extreme instability is forecast across the strongly sheared warm sector. An all-hazards severe thunderstorm event appears likely. An intense southwesterly low-level jet is expected to develop during the evening. This could support upscale growth into an MCS moving across portions of the Midwest Wednesday night, posing a risk for swaths of damaging winds.
This system will spread east on Thursday across parts of the Ohio Valley into the Mid-Atlantic/Northeast. A continued risk for all severe hazards, and possible MCS with damaging winds, will persist as the mid/upper jet streak is forecast to remain quite strong as it overspreads a seasonally moist airmass.
While some timing differences of aforementioned features is evident in various NWP guidance, overall medium range consensus and mean calibrated ML/AI guidance suggests a multi-day severe episode is likely as this system overspreads portions of the Midwest to the Mid-Atlantic/Northeast, though the 15 percent risk areas may shift in the coming days as details become better resolved, and higher probabilities are possible in subsequent outlooks. The southern extent of severe potential is more uncertain across parts of the Plains toward the TN Valley as these areas will remain further removed from stronger flow aloft.
..Leitman.. 06/13/2026
CLICK TO GET WUUS48 PTSD48 PRODUCT
You are looking at an outlook that is part of the medium range forecast (the outlook for days 4-8). The most important thing to note is that lack of a risk does not mean zero risk. Generally speaking, confidence has to be pretty high for the Storm Prediction Center to have an outlook area this far into the future.
When no specific risk areas are shown, you might see one of these phrases:
If you bookmark this page, it will continue to update with each new outlook that is issued.
| Day 4 | Tuesday, June 16 | predictability too low |
| Day 5 | Wednesday, June 17 | 15% |
| Day 6 | Thursday, June 18 | 15% |
| Day 7 | Friday, June 19 | predictability too low |
| Day 8 | Saturday, June 20 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 130753 SPC AC 130753
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0253 AM CDT Sat Jun 13 2026
Valid 161200Z - 211200Z
DISCUSSION
Days 5-6/Wed-Thu – Lower MO/Mid-MS Valley to Ohio Valley and Mid-Atlantic
An upper trough is forecast to deepen over the Upper Midwest/Great Lakes on Wednesday. As this occurs, an intensifying 500 mb jet streak will develop across the central Plains and increase to 80-100 kt as it moves into the Mid-MS Valley Wednesday night, and spreads eastward across the Ohio Valley and Northeast on Thursday.
At the surface, low pressure will develop over the northern/central Plains late Tuesday night into early Wednesday. As this occurs, increasing southerly low-level flow will quickly transport rich Gulf moisture northward into the Lower MO/Mid-MS Valley by Wednesday afternoon as the surface low moves across IA and a trailing cold front moves eastward in tandem with the low across portions of the central Plains and Mid-MS Valley. Strong to extreme instability is forecast across the strongly sheared warm sector. An all-hazards severe thunderstorm event appears likely. An intense southwesterly low-level jet is expected to develop during the evening. This could support upscale growth into an MCS moving across portions of the Midwest Wednesday night, posing a risk for swaths of damaging winds.
This system will spread east on Thursday across parts of the Ohio Valley into the Mid-Atlantic/Northeast. A continued risk for all severe hazards, and possible MCS with damaging winds, will persist as the mid/upper jet streak is forecast to remain quite strong as it overspreads a seasonally moist airmass.
While some timing differences of aforementioned features is evident in various NWP guidance, overall medium range consensus and mean calibrated ML/AI guidance suggests a multi-day severe episode is likely as this system overspreads portions of the Midwest to the Mid-Atlantic/Northeast, though the 15 percent risk areas may shift in the coming days as details become better resolved, and higher probabilities are possible in subsequent outlooks. The southern extent of severe potential is more uncertain across parts of the Plains toward the TN Valley as these areas will remain further removed from stronger flow aloft.
..Leitman.. 06/13/2026
CLICK TO GET WUUS48 PTSD48 PRODUCT
You are looking at an outlook that is part of the medium range forecast (the outlook for days 4-8). The most important thing to note is that lack of a risk does not mean zero risk. Generally speaking, confidence has to be pretty high for the Storm Prediction Center to have an outlook area this far into the future.
When no specific risk areas are shown, you might see one of these phrases:
If you bookmark this page, it will continue to update with each new outlook that is issued.
| Day 4 | Tuesday, June 16 | predictability too low |
| Day 5 | Wednesday, June 17 | 15% |
| Day 6 | Thursday, June 18 | 15% |
| Day 7 | Friday, June 19 | predictability too low |
| Day 8 | Saturday, June 20 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 130753 SPC AC 130753
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0253 AM CDT Sat Jun 13 2026
Valid 161200Z - 211200Z
DISCUSSION
Days 5-6/Wed-Thu – Lower MO/Mid-MS Valley to Ohio Valley and Mid-Atlantic
An upper trough is forecast to deepen over the Upper Midwest/Great Lakes on Wednesday. As this occurs, an intensifying 500 mb jet streak will develop across the central Plains and increase to 80-100 kt as it moves into the Mid-MS Valley Wednesday night, and spreads eastward across the Ohio Valley and Northeast on Thursday.
At the surface, low pressure will develop over the northern/central Plains late Tuesday night into early Wednesday. As this occurs, increasing southerly low-level flow will quickly transport rich Gulf moisture northward into the Lower MO/Mid-MS Valley by Wednesday afternoon as the surface low moves across IA and a trailing cold front moves eastward in tandem with the low across portions of the central Plains and Mid-MS Valley. Strong to extreme instability is forecast across the strongly sheared warm sector. An all-hazards severe thunderstorm event appears likely. An intense southwesterly low-level jet is expected to develop during the evening. This could support upscale growth into an MCS moving across portions of the Midwest Wednesday night, posing a risk for swaths of damaging winds.
This system will spread east on Thursday across parts of the Ohio Valley into the Mid-Atlantic/Northeast. A continued risk for all severe hazards, and possible MCS with damaging winds, will persist as the mid/upper jet streak is forecast to remain quite strong as it overspreads a seasonally moist airmass.
While some timing differences of aforementioned features is evident in various NWP guidance, overall medium range consensus and mean calibrated ML/AI guidance suggests a multi-day severe episode is likely as this system overspreads portions of the Midwest to the Mid-Atlantic/Northeast, though the 15 percent risk areas may shift in the coming days as details become better resolved, and higher probabilities are possible in subsequent outlooks. The southern extent of severe potential is more uncertain across parts of the Plains toward the TN Valley as these areas will remain further removed from stronger flow aloft.
..Leitman.. 06/13/2026
CLICK TO GET WUUS48 PTSD48 PRODUCT
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