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Severe Weather Watches Overview

Watch data currently updates every 15 minutes.

Severe Thunderstorm Watch #0243 for Northwest Iowa, Southwest Minnesota, Northeast Nebraska, Southeast South Dakota

Scattered large hail and isolated very large hail events to 2 inches in diameter possible
Isolated damaging wind gusts to 65 mph possible

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Severe Thunderstorm Watch #0243

Locations Affected

Northwest Iowa

Southwest Minnesota

Northeast Nebraska

Southeast South Dakota

Severe Thunderstorm Watch Summary

High-based supercells are expected from northeast Nebraska across southeast South Dakota into southwest Minnesota this evening, and storms could spread into northwest Iowa before weakening early tonight. The storms will be capable of producing large hail (1.5-2 inches in diameter) and isolated severe outflow gusts (60-65 mph).

Severe Weather Threats

Scattered large hail and isolated very large hail events to 2 inches in diameter possible

Isolated damaging wind gusts to 65 mph possible

Severe Thunderstorm Watch Details

SEL3

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 243
NWS Storm Prediction Center Norman OK
455 PM CDT Sun May 24 2026

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Northwest Iowa
  Southwest Minnesota
  Northeast Nebraska
  Southeast South Dakota

* Effective this Sunday afternoon and evening from 455 PM until
  1100 PM CDT.

* Primary threats include...
  Scattered large hail and isolated very large hail events to 2
    inches in diameter possible
  Isolated damaging wind gusts to 65 mph possible

SUMMARY...High-based supercells are expected from northeast Nebraska
across southeast South Dakota into southwest Minnesota this evening,
and storms could spread into northwest Iowa before weakening early
tonight.  The storms will be capable of producing large hail (1.5-2
inches in diameter) and isolated severe outflow gusts (60-65 mph).

The severe thunderstorm watch area is approximately along and 65
statute miles east and west of a line from 40 miles north of Redwood
Falls MN to 30 miles west southwest of Norfolk NE. 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
2 inches. Extreme turbulence and surface wind gusts to 55 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
27015.

...Thompson

National Risk Overview

Sunday, May 24: TORNADO: 2%; HAIL: 15%; WIND: 5%
Monday, May 25: TORNADO: low; HAIL: 5%; WIND: 5%
Tuesday, May 26: ANY SEVERE: 15%
Wednesday, May 27: ANY SEVERE: predictability too low
Thursday, May 28: ANY SEVERE: predictability too low
Friday, May 29: ANY SEVERE: predictability too low
Saturday, May 30: ANY SEVERE: predictability too low
Sunday, May 31: ANY SEVERE: predictability too low

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