Severe Thunderstorm Watch: Key Areas At Risk This Evening

Monday, the National Weather Service issued a Severe Thunderstorm Watch that includes parts of southeastern South Dakota as well as parts of western Iowa and Minnesota.

The Severe Thunderstorm Watch is in effect until 11:00 PM tonight (Monday, April 28).

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In South Dakota, Bon Homme, Clay, Hutchinson, Lincoln, Turner, Union, and Yankton Counties are in the Watch area. Parts of South Sioux Falls are in Lincoln County.

The entire city of Sioux Falls should be prepared for severe weather tonight.

"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." - NWS

 URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 184
   NWS Storm Prediction Center Norman OK
   600 PM CDT Mon Apr 28 2025

   The NWS Storm Prediction Center has issued a

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

   * Effective this Monday evening from 600 PM until 1100 PM CDT.

   * Primary threats include...
     Scattered large hail and isolated very large hail events to 2
       inches in diameter possible
     Scattered damaging wind gusts to 70 mph possible

   SUMMARY...Multiple supercells along and near a cold front should
   pose a threat for mainly large hail up to 1-2 inches in diameter
   through the evening. Occasional severe/damaging winds may also
   occur.

   The severe thunderstorm watch area is approximately along and 45
   statute miles north and south of a line from 45 miles west southwest
   of Yankton SD to 20 miles south of Spencer IA. For a complete
   depiction of the watch see the associated watch outline update
   (WOUS64 KWNS WOU4).

   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.

5 Myths About Tornadoes You Shouldn't Believe

Sioux Falls, South Dakota may not be smack dab in the middle of Tornado Alley, but we still get our share of severe thunderstorms. Thunder, rain, lighting, and tornadoes are all possible.

The thing about tornadoes is that they are very destructive and very rare. Most people probably won’t even see an actual twister in their life. But if they do, it can mean devastation.

We don’t need to be at battle stations all spring and summer and freak out every time it gets cloudy.

Severe Thunderstorm Watch For Parts of the Sioux Empire Monday Night

5 Myths About Tornadoes You Shouldn't Believe