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Severe Weather Watches Overview

Watch data currently updates every 15 minutes.

EXPIRED Severe Thunderstorm Watch #0497 for Central Montana

Scattered damaging wind gusts to 70 mph likely
Scattered large hail events to 1.5 inches in diameter possible

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EXPIRED Severe Thunderstorm Watch #0497

Locations Affected

Central Montana

Severe Thunderstorm Watch Summary

Thunderstorms will continue to develop off the mountains of western Montana and spread northeastward. High-based storms capable of damaging winds and hail are possible.

Severe Weather Threats

Scattered damaging wind gusts to 70 mph likely

Scattered large hail events to 1.5 inches in diameter possible

Severe Thunderstorm Watch Details

SEL7

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 497
NWS Storm Prediction Center Norman OK
340 PM MDT Sat Jul 18 2026

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Central Montana

* Effective this Saturday afternoon and evening from 340 PM until
  1000 PM MDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph likely
  Scattered large hail events to 1.5 inches in diameter possible

SUMMARY...Thunderstorms will continue to develop off the mountains
of western Montana and spread northeastward.  High-based storms
capable of damaging winds and hail are possible.

The severe thunderstorm watch area is approximately along and 80
statute miles east and west of a line from 50 miles east southeast
of Dillon MT to 45 miles north northeast of Great Falls MT. 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 492...WW 493...WW
494...WW 495...WW 496...

AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
26030.

...Hart

National Risk Overview

Sunday, July 19: TORNADO: low; HAIL: 15%; WIND: 15%
Monday, July 20: TORNADO: 5%; HAIL: 15%; WIND: 30%
Tuesday, July 21: ANY SEVERE: 45%
Wednesday, July 22: ANY SEVERE: 15%
Thursday, July 23: ANY SEVERE: predictability too low
Friday, July 24: ANY SEVERE: predictability too low
Saturday, July 25: ANY SEVERE: predictability too low
Sunday, July 26: ANY SEVERE: predictability too low

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