Severe Weather Outlook

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Severe Weather Watches Overview

Watch data currently updates every 15 minutes.

EXPIRED Severe Thunderstorm Watch #0515 for Northwest Iowa, Southwest Minnesota

Widespread damaging winds and isolated significant gusts to 85 mph likely
Isolated large hail events to 1.5 inches in diameter possible

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EXPIRED Severe Thunderstorm Watch #0515

Locations Affected

Northwest Iowa

Southwest Minnesota

Severe Thunderstorm Watch Summary

A cluster of thunderstorms over southeast South Dakota will continue to track east-southeastward through the evening. Severe wind gusts are expected with the more intense cells, and the potential exists for significant wind damage if the thunderstorms can become better organized.

Severe Weather Threats

Widespread damaging winds and isolated significant gusts to 85 mph likely

Isolated large hail events to 1.5 inches in diameter possible

Severe Thunderstorm Watch Details

SEL5

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 515
NWS Storm Prediction Center Norman OK
800 PM CDT Sat Jul 25 2026

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Northwest Iowa
  Southwest Minnesota

* Effective this Saturday night and Sunday morning from 800 PM
  until 200 AM CDT.

* Primary threats include...
  Widespread damaging winds and isolated significant gusts to 85
    mph likely
  Isolated large hail events to 1.5 inches in diameter possible

SUMMARY...A cluster of thunderstorms over southeast South Dakota
will continue to track east-southeastward through the evening. 
Severe wind gusts are expected with the more intense cells, and the
potential exists for significant wind damage if the thunderstorms
can become better organized.

The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 45 miles west of
Worthington MN to 15 miles east of Mason City IA. 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 513...WW 514...

AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 75 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
28035.

...Hart

National Risk Overview

Sunday, July 26: TORNADO: 5%; HAIL: 30%; WIND: 30%
Monday, July 27: TORNADO: 2%; HAIL: 15%; WIND: 30%
Tuesday, July 28: ANY SEVERE: 15%
Wednesday, July 29: ANY SEVERE: potential too low
Thursday, July 30: ANY SEVERE: predictability too low
Friday, July 31: ANY SEVERE: predictability too low
Saturday, August 1: ANY SEVERE: potential too low
Sunday, August 2: ANY SEVERE: predictability too low

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