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Large hail (some in excess of 2 inches in diameter) and severe wind gusts (potentially in excess of 75 mph) will be possible Sunday afternoon/evening across parts of central and north Texas. More sporadic occurrences of damaging wind and large hail are possible farther east into the lower Mississippi Valley, portions of the Florida Peninsula, and central New Mexico into far West Texas.
← back to overviewSPC AC 100533
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1233 AM CDT Sun May 10 2026
Valid 101200Z - 111200Z
THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS SUNDAY AFTERNOON THROUGH LATE EVENING ACROSS PARTS OF CENTRAL AND NORTH TEXAS
### SUMMARY
Large hail (some in excess of 2 inches in diameter) and severe wind gusts (potentially in excess of 75 mph) will be possible Sunday afternoon/evening across parts of central and north Texas. More sporadic occurrences of damaging wind and large hail are possible farther east into the lower Mississippi Valley, portions of the Florida Peninsula, and central New Mexico into far West Texas.
Synopsis
A mid/upper-level low initially over James Bay will progress northeast through the forecast period, with a belt of strong, cyclonic flow persisting across the Great Lakes and New England. On the periphery of the broader-scale troughing, late evening water vapor imagery shows a short-wave trough over WY with a more subtle disturbance noted near the Four Corners region. Those two features are expected to progress into the southern Plains by Sunday afternoon, contributing to modest, mid-level height falls across the region.
At the surface, a cold front initially from the lower Great Lakes southwest through the OH Valley and Ozark Plateau into the southern High Plains at 12z Sunday will advance east/southeast during the day. A few strong storms capable of small hail and gusty winds may occur along and ahead of that boundary Sunday afternoon over northern New England and the central Appalachians into mid-Atlantic. Greater severe-storm potential is expected along the cold front and any preceding convective outflow boundaries from the southern Plains into lower MS Valley Sunday afternoon and evening.
### Southern Plains into Lower MS Valley
Clusters of thunderstorms (some of which could be strong to severe) are likely to be ongoing Sunday morning from the ArkLaTex into OK, with outflow associated with that activity preceding the cold front across north Texas. By early to mid afternoon, the composite boundary is expected to extend from the TX South Plains across north Texas through the ArkLaTex into central or eastern AR. A dryline is expected to stretch south from the front through the eastern Permian Basin into the Edwards Plateau region.
A steep, mid-level lapse rate plume will overlie the warm sector characterized by increasing boundary-layer moisture content with eastward extent across TX, with afternoon MLCAPE of 2500-3500 J/kg. Slightly less instability (MLCAPE of 1000-2000 J/kg) is forecast from AR and LA into MS as that region will reside east of the EML plume.
The combination of daytime heating and increasing forcing for ascent (see synopsis) are expected to support thunderstorm development by mid afternoon from the vicinity of the surface triple point over west-central TX, east along the composite boundary. Vertical shear will be maximized along the west-to-east-oriented front with decreasing bulk shear magnitudes with southward extent across the warm sector. As such, supercell storm modes and an associated large to very large hail (2+" in diameter) threat are most probable in the vicinity of the front within the first couple of hours after storm initiation.
By late afternoon into Sunday evening, there is a consistent signal across convection-allowing model guidance for upscale growth into a forward-propagating QLCS that accelerates southeast through central TX before reaching the TX Coast and deep South TX early Monday morning. The degree of parcel buoyancy and presence of a dry, mid-level air mass will support the potential for organized cold pool development with corridors of damaging winds in excess of 75 mph appearing possible from late afternoon through evening. The damaging wind threat is expected to become more isolated with time Sunday night into early Monday as the boundary layer gradually stabilizes. Generally weak low-level shear (effective SRH < 150 m2/s2) and 0-3-km bulk-shear magnitudes <25-30 kt are expected to limit tornado/meso-vortex potential with the QLCS.
Farther to the east across AR and LA into MS, convective evolution and associated severe-weather potential are a bit more uncertain. Some model guidance suggests that morning storms across portions of AR could intensify by afternoon while spreading east/southeast into parts of northwest MS and northern LA. Additional strong to severe storms will also be possible Sunday afternoon and evening along the front moving through the area. Damaging wind gusts appear to be the primary severe hazard, though isolated occurrences of severe hail will also be possible.
### Central NM into far West Texas
Height falls aloft coupled with enhanced orographic ascent with the cold-frontal surge are expected to contribute to isolated to widely scattered storm development Sunday afternoon and evening. Steep, low/mid-level lapse rates will contribute to MLCAPE of around 500 J/kg amidst 30-35 kt of effective bulk shear may favor a few strong to severe storms capable of hail and/or locally damaging wind gusts.
### FL Peninsula
Isolated to widely scattered, diurnally enhanced thunderstorms appear possible along the front stalled across the northern Peninsula, and south along the Atlantic Coast sea breeze. The presence of a moist environment with MLCAPE up to 1500-2500 J/kg will support water-loaded downdrafts capable of locally damaging wind gusts during the afternoon and early evening hours.
..Mead/Weinman.. 05/10/2026
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 1300Z
Isolated severe storms with locally damaging wind gusts and hail are possible Monday afternoon across parts of the Southeast.
← back to overviewSPC AC 100542
Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1242 AM CDT Sun May 10 2026
Valid 111200Z - 121200Z
THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE SOUTHEAST
### SUMMARY
Isolated severe storms with locally damaging wind gusts and hail are possible Monday afternoon across parts of the Southeast.
Southeast
A mid-level trough will move eastward into the Appalachians on Monday, as a cold front advances southeastward across the Southeast. Ahead of the front, surface dewpoints will be mostly in from the mid 60s to lower 70s F. As surface temperatures warm during the day, moderate instability is expected over most of this moist airmass. Low-level convergence will become maximized near the front, and along coastal convergence boundaries. Thunderstorms that form during the afternoon will have potential for isolated severe wind gusts, mainly due to steep low-level lapse rates. Hail will also be possible in areas that destabilize the most.
..Broyles.. 05/10/2026
CLICK TO GET WUUS02 PTSDY2 PRODUCT
NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED BY 1730Z
Isolated severe storms with strong wind gusts and hail will be possible on Tuesday from parts of southeast Kansas into far western Illinois.
← back to overviewSPC AC 100730
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0230 AM CDT Sun May 10 2026
Valid 121200Z - 131200Z
THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE CENTRAL PLAINS AND MID MISSISSIPPI VALLEY
### SUMMARY
Isolated severe storms with strong wind gusts and hail will be possible on Tuesday from parts of southeast Kansas into far western Illinois.
Southern and Central Plains/Mid Mississippi Valley/Midwest
A mid-level shortwave trough will move southeastward across the north-central U.S. on Tuesday, as an associated cold front advances southeastward into the central Plains and mid Mississippi Valley. Ahead of the front, moisture will be somewhat limited with surface dewpoints in the lower to mid 50s F. As surface, temperatures warm during the day, instability is expected to develop ahead of the front. Forecasts suggest the strongest instability will be in southeast Kansas and western Missouri, where MLCAPE could reach the 1000 to 1500 J/kg range, if the more aggressive model solutions pan out. Increasing low-level convergence near the front Tuesday afternoon will likely result in widely-spaced convective initiation. Storms are expected to move east-southeastward toward the instability axis during the late afternoon and early evening. At this time, there are a wide range of model solutions concerning instability. In addition, some models have a warm layer at 700 mb near the front, which would limit severe potential. However, if an axis of moderate instability can develop ahead of the front, and some storms can become surface-based, then a potential will exist for isolated severe wind gusts and hail.
..Broyles.. 05/10/2026
CLICK TO GET WUUS03 PTSDY3 PRODUCT
NOTE: THE NEXT DAY 3 OUTLOOK IS SCHEDULED BY 1930Z
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 | Wednesday, May 13 | predictability too low |
| Day 5 | Thursday, May 14 | predictability too low |
| Day 6 | Friday, May 15 | predictability too low |
| Day 7 | Saturday, May 16 | predictability too low |
| Day 8 | Sunday, May 17 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 100842 SPC AC 100842
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0342 AM CDT Sun May 10 2026
Valid 131200Z - 181200Z
DISCUSSION
Wednesday/Day 4 to Friday/Day 6
An upper-level trough is forecast to move into the eastern U.S. on Wednesday and become substantially amplified. Ahead of the trough, enough instability is expected to develop in the central Appalachians Wednesday afternoon for an isolated severe threat.
On Thursday, a mid-level shortwave ridge is forecast to move through the central U.S. An axis of instability appears likely to develop in the Great Plains in the wake of the ridge. Although an isolated severe threat will be possible along parts of this instability corridor Thursday afternoon, model forecasts suggest a cap will minimize convective coverage.
The ridge is forecast to move into the Ohio Valley and Great Lakes on Friday, as a mid-level shortwave trough moves into the north-central states. Isolated severe storms could occur ahead of this trough in the northern Plains and upper Mississippi Valley Friday afternoon. Additionally, a conditional severe threat could develop southward into the southern and central Plains, but this would materialize only if storms can initiate in a somewhat capped environment.
Saturday/Day 7 and Sunday/Day 8
On Saturday and Sunday, a moist and unstable airmass is forecast to gradually advect northward across the southern and central Plains. Isolated to scattered storms will be possible each afternoon over parts of this airmass. However, large-scale ascent is forecast to remain limited and convective initiation will likely be mesoscale-driven. For this reason, predictability is low over the weekend concerning any potential for severe storms.
..Broyles.. 05/10/2026
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 | Wednesday, May 13 | predictability too low |
| Day 5 | Thursday, May 14 | predictability too low |
| Day 6 | Friday, May 15 | predictability too low |
| Day 7 | Saturday, May 16 | predictability too low |
| Day 8 | Sunday, May 17 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 100842 SPC AC 100842
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0342 AM CDT Sun May 10 2026
Valid 131200Z - 181200Z
DISCUSSION
Wednesday/Day 4 to Friday/Day 6
An upper-level trough is forecast to move into the eastern U.S. on Wednesday and become substantially amplified. Ahead of the trough, enough instability is expected to develop in the central Appalachians Wednesday afternoon for an isolated severe threat.
On Thursday, a mid-level shortwave ridge is forecast to move through the central U.S. An axis of instability appears likely to develop in the Great Plains in the wake of the ridge. Although an isolated severe threat will be possible along parts of this instability corridor Thursday afternoon, model forecasts suggest a cap will minimize convective coverage.
The ridge is forecast to move into the Ohio Valley and Great Lakes on Friday, as a mid-level shortwave trough moves into the north-central states. Isolated severe storms could occur ahead of this trough in the northern Plains and upper Mississippi Valley Friday afternoon. Additionally, a conditional severe threat could develop southward into the southern and central Plains, but this would materialize only if storms can initiate in a somewhat capped environment.
Saturday/Day 7 and Sunday/Day 8
On Saturday and Sunday, a moist and unstable airmass is forecast to gradually advect northward across the southern and central Plains. Isolated to scattered storms will be possible each afternoon over parts of this airmass. However, large-scale ascent is forecast to remain limited and convective initiation will likely be mesoscale-driven. For this reason, predictability is low over the weekend concerning any potential for severe storms.
..Broyles.. 05/10/2026
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 | Wednesday, May 13 | predictability too low |
| Day 5 | Thursday, May 14 | predictability too low |
| Day 6 | Friday, May 15 | predictability too low |
| Day 7 | Saturday, May 16 | predictability too low |
| Day 8 | Sunday, May 17 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 100842 SPC AC 100842
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0342 AM CDT Sun May 10 2026
Valid 131200Z - 181200Z
DISCUSSION
Wednesday/Day 4 to Friday/Day 6
An upper-level trough is forecast to move into the eastern U.S. on Wednesday and become substantially amplified. Ahead of the trough, enough instability is expected to develop in the central Appalachians Wednesday afternoon for an isolated severe threat.
On Thursday, a mid-level shortwave ridge is forecast to move through the central U.S. An axis of instability appears likely to develop in the Great Plains in the wake of the ridge. Although an isolated severe threat will be possible along parts of this instability corridor Thursday afternoon, model forecasts suggest a cap will minimize convective coverage.
The ridge is forecast to move into the Ohio Valley and Great Lakes on Friday, as a mid-level shortwave trough moves into the north-central states. Isolated severe storms could occur ahead of this trough in the northern Plains and upper Mississippi Valley Friday afternoon. Additionally, a conditional severe threat could develop southward into the southern and central Plains, but this would materialize only if storms can initiate in a somewhat capped environment.
Saturday/Day 7 and Sunday/Day 8
On Saturday and Sunday, a moist and unstable airmass is forecast to gradually advect northward across the southern and central Plains. Isolated to scattered storms will be possible each afternoon over parts of this airmass. However, large-scale ascent is forecast to remain limited and convective initiation will likely be mesoscale-driven. For this reason, predictability is low over the weekend concerning any potential for severe storms.
..Broyles.. 05/10/2026
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 | Wednesday, May 13 | predictability too low |
| Day 5 | Thursday, May 14 | predictability too low |
| Day 6 | Friday, May 15 | predictability too low |
| Day 7 | Saturday, May 16 | predictability too low |
| Day 8 | Sunday, May 17 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 100842 SPC AC 100842
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0342 AM CDT Sun May 10 2026
Valid 131200Z - 181200Z
DISCUSSION
Wednesday/Day 4 to Friday/Day 6
An upper-level trough is forecast to move into the eastern U.S. on Wednesday and become substantially amplified. Ahead of the trough, enough instability is expected to develop in the central Appalachians Wednesday afternoon for an isolated severe threat.
On Thursday, a mid-level shortwave ridge is forecast to move through the central U.S. An axis of instability appears likely to develop in the Great Plains in the wake of the ridge. Although an isolated severe threat will be possible along parts of this instability corridor Thursday afternoon, model forecasts suggest a cap will minimize convective coverage.
The ridge is forecast to move into the Ohio Valley and Great Lakes on Friday, as a mid-level shortwave trough moves into the north-central states. Isolated severe storms could occur ahead of this trough in the northern Plains and upper Mississippi Valley Friday afternoon. Additionally, a conditional severe threat could develop southward into the southern and central Plains, but this would materialize only if storms can initiate in a somewhat capped environment.
Saturday/Day 7 and Sunday/Day 8
On Saturday and Sunday, a moist and unstable airmass is forecast to gradually advect northward across the southern and central Plains. Isolated to scattered storms will be possible each afternoon over parts of this airmass. However, large-scale ascent is forecast to remain limited and convective initiation will likely be mesoscale-driven. For this reason, predictability is low over the weekend concerning any potential for severe storms.
..Broyles.. 05/10/2026
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 | Wednesday, May 13 | predictability too low |
| Day 5 | Thursday, May 14 | predictability too low |
| Day 6 | Friday, May 15 | predictability too low |
| Day 7 | Saturday, May 16 | predictability too low |
| Day 8 | Sunday, May 17 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 100842 SPC AC 100842
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0342 AM CDT Sun May 10 2026
Valid 131200Z - 181200Z
DISCUSSION
Wednesday/Day 4 to Friday/Day 6
An upper-level trough is forecast to move into the eastern U.S. on Wednesday and become substantially amplified. Ahead of the trough, enough instability is expected to develop in the central Appalachians Wednesday afternoon for an isolated severe threat.
On Thursday, a mid-level shortwave ridge is forecast to move through the central U.S. An axis of instability appears likely to develop in the Great Plains in the wake of the ridge. Although an isolated severe threat will be possible along parts of this instability corridor Thursday afternoon, model forecasts suggest a cap will minimize convective coverage.
The ridge is forecast to move into the Ohio Valley and Great Lakes on Friday, as a mid-level shortwave trough moves into the north-central states. Isolated severe storms could occur ahead of this trough in the northern Plains and upper Mississippi Valley Friday afternoon. Additionally, a conditional severe threat could develop southward into the southern and central Plains, but this would materialize only if storms can initiate in a somewhat capped environment.
Saturday/Day 7 and Sunday/Day 8
On Saturday and Sunday, a moist and unstable airmass is forecast to gradually advect northward across the southern and central Plains. Isolated to scattered storms will be possible each afternoon over parts of this airmass. However, large-scale ascent is forecast to remain limited and convective initiation will likely be mesoscale-driven. For this reason, predictability is low over the weekend concerning any potential for severe storms.
..Broyles.. 05/10/2026
CLICK TO GET WUUS48 PTSD48 PRODUCT
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