Severe Weather Outlook
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Severe Weather Watches Overview
Watch data currently updates every 15 minutes.
- Severe Thunderstorm Watch #0403 for Southern Illinois, Western and Central Kentucky, Far Southeast Missouri, Northern Tennessee
-
- Scattered damaging wind gusts to 70 mph possible
- A tornado or two possible
- Severe Thunderstorm Watch #0405 for Southeast Montana, Northeast Wyoming
-
- Scattered large hail likely with isolated very large hail events to 2.5 inches in diameter possible
- Scattered damaging winds and isolated significant gusts to 80 mph possible
- A tornado or two possible
- Tornado Watch #0406 for Western North Dakota, Northern Nebraska, Western South Dakota
-
- A few tornadoes and a couple intense tornadoes possible
- Scattered damaging winds likely with isolated significant gusts to 90 mph possible
- Scattered large hail likely with isolated very large hail events to 3.5 inches in diameter possible
- Severe Thunderstorm Watch #0407 for Far Northeast Colorado, Western Nebraska
-
- Scattered damaging winds and isolated significant gusts to 80 mph possible
- Scattered large hail and isolated very large hail events to 2.5 inches in diameter possible
- A tornado or two possible
- Severe Thunderstorm Watch #0408 for Northeast Montana
-
- Scattered damaging winds and isolated significant gusts to 80 mph likely
- Scattered large hail and isolated very large hail events to 2.5 inches in diameter likely
- A tornado or two possible
↑ back to the list of watches ↑
Severe Thunderstorm Watch #0403
Locations Affected
Severe Thunderstorm Watch Summary
Clusters of storms and potentially some supercells are expected within a very moist environment across the region this afternoon.
Severe Weather Threats
Severe Thunderstorm Watch Details
SEL3 URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 403 NWS Storm Prediction Center Norman OK 1255 PM CDT Sat Jun 27 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southern Illinois Western and Central Kentucky Far Southeast Missouri Northern Tennessee * Effective this Saturday afternoon and evening from 1255 PM until 800 PM CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible A tornado or two possible SUMMARY...Clusters of storms and potentially some supercells are expected within a very moist environment across the region this afternoon. The severe thunderstorm watch area is approximately along and 60 statute miles north and south of a line from 30 miles west southwest of Cape Girardeau MO to 45 miles east northeast of Nashville TN. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU3). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && AVIATION...A few severe thunderstorms with hail surface and aloft to 1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 550. Mean storm motion vector 29020. ...Guyer
↑ back to the list of watches ↑
Severe Thunderstorm Watch #0405
Locations Affected
Severe Thunderstorm Watch Summary
Steady severe storm development including supercells are expected relatively early today, steadily increasing through the afternoon across the region, including the potential for very large hail and severe-caliber wind gusts.
Severe Weather Threats
Severe Thunderstorm Watch Details
SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 405
NWS Storm Prediction Center Norman OK
105 PM MDT Sat Jun 27 2026
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southeast Montana
Northeast Wyoming
* Effective this Saturday afternoon and evening from 105 PM until
700 PM MDT.
* Primary threats include...
Scattered large hail likely with isolated very large hail events
to 2.5 inches in diameter possible
Scattered damaging winds and isolated significant gusts to 80
mph possible
A tornado or two possible
SUMMARY...Steady severe storm development including supercells are
expected relatively early today, steadily increasing through the
afternoon across the region, including the potential for very large
hail and severe-caliber wind gusts.
The severe thunderstorm watch area is approximately along and 75
statute miles east and west of a line from 60 miles south southwest
of Gillette WY to 25 miles north northwest of Miles City MT. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU5).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 403...WW 404...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
22030.
...Guyer
↑ back to the list of watches ↑
Tornado Watch #0406
Locations Affected
Tornado Watch Summary
Significant severe storms including supercells are expected to develop regionally, with large hail and some tornadoes possible. A prominent damaging wind threat may also unfold into this evening across the western Dakotas.
Severe Weather Threats
Tornado Watch Details
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 406
NWS Storm Prediction Center Norman OK
305 PM MDT Sat Jun 27 2026
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Western North Dakota
Northern Nebraska
Western South Dakota
* Effective this Saturday afternoon and evening from 305 PM until
1100 PM MDT.
* Primary threats include...
A few tornadoes and a couple intense tornadoes possible
Scattered damaging winds likely with isolated significant gusts
to 90 mph possible
Scattered large hail likely with isolated very large hail events
to 3.5 inches in diameter possible
SUMMARY...Significant severe storms including supercells are
expected to develop regionally, with large hail and some tornadoes
possible. A prominent damaging wind threat may also unfold into this
evening across the western Dakotas.
The tornado watch area is approximately along and 60 statute miles
east and west of a line from 55 miles north northeast of Williston
ND to 75 miles southeast of Chadron NE. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU6).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 403...WW 404...WW 405...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 3.5 inches. Extreme turbulence and surface wind
gusts to 80 knots. A few cumulonimbi with maximum tops to 550. Mean
storm motion vector 23030.
...Guyer
↑ back to the list of watches ↑
Severe Thunderstorm Watch #0407
Locations Affected
Severe Thunderstorm Watch Summary
At least widely scattered severe thunderstorms are expected to develop, potentially including a few higher-based supercells. Large hail and severe-caliber winds are expected to be the primary hazard.
Severe Weather Threats
Severe Thunderstorm Watch Details
SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 407
NWS Storm Prediction Center Norman OK
315 PM MDT Sat Jun 27 2026
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Far Northeast Colorado
Western Nebraska
* Effective this Saturday afternoon and evening from 315 PM until
1100 PM MDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 80
mph possible
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
A tornado or two possible
SUMMARY...At least widely scattered severe thunderstorms are
expected to develop, potentially including a few higher-based
supercells. Large hail and severe-caliber winds are expected to be
the primary hazard.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 65 miles north of
Scottsbluff NE to 45 miles south southwest of North Platte NE. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU7).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 403...WW 404...WW
405...WW 406...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
25025.
...Guyer
↑ back to the list of watches ↑
Severe Thunderstorm Watch #0408
Locations Affected
Severe Thunderstorm Watch Summary
Strong to severe thunderstorms are expected to develop across northeast Montana this afternoon and evening. A more cellular mode is possible early in the convective cycle, but strong southerly shear suggests storms will likely become linear quickly. Large to very large hail is the primary hazards as storms are more cellular while strong wind gusts (up to 80+ mph) are the primary hazard as storms become linear. A low-probability tornado hazard will exist this afternoon and evening as well.
Severe Weather Threats
Severe Thunderstorm Watch Details
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 408
NWS Storm Prediction Center Norman OK
420 PM MDT Sat Jun 27 2026
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northeast Montana
* Effective this Saturday afternoon and evening from 420 PM until
1100 PM MDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 80
mph likely
Scattered large hail and isolated very large hail events to 2.5
inches in diameter likely
A tornado or two possible
SUMMARY...Strong to severe thunderstorms are expected to develop
across northeast Montana this afternoon and evening. A more cellular
mode is possible early in the convective cycle, but strong southerly
shear suggests storms will likely become linear quickly. Large to
very large hail is the primary hazards as storms are more cellular
while strong wind gusts (up to 80+ mph) are the primary hazard as
storms become linear. A low-probability tornado hazard will exist
this afternoon and evening as well.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 60 miles north of Wolf
Point MT to 55 miles west southwest of Glendive MT. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU8).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 403...WW 404...WW
405...WW 406...WW 407...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
23030.
...Mosier
National Risk Overview
- Saturday, June 27
- TORNADO: 10%
- HAIL: 30%
- WIND: 30%
- Sunday, June 28
- TORNADO: low
- HAIL: 15%
- WIND: 15%
- Monday, June 29
- ANY SEVERE: 15%
- Tuesday, June 30
- ANY SEVERE: predictability too low
- Wednesday, July 1
- ANY SEVERE: predictability too low
- Thursday, July 2
- ANY SEVERE: predictability too low
- Friday, July 3
- ANY SEVERE: predictability too low
- Saturday, July 4
- ANY SEVERE: predictability too low
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