National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Storm Lake (KSLB)

Lat: 42.6°NLon: 95.23°WElev: 1489ft.

Fair and Breezy

79°F

26°C

Humidity 79%
Wind Speed SW 25 G 40 mph
Barometer 29.56 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 21 Jun 5:55 am CDT
Extended Forecast for

2 Miles E Storm Lake IA

Extreme Heat Warning June 21, 06:12am until June 22, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 21, 06:12am until June 22, 09:00pm

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • Today

    High: 99 °F

    Hot and Windy

  • Tonight

    Tonight: Mostly clear, with a low around 76. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 30 mph.

    Low: 76 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny and hot, with a high near 98. Heat index values as high as 106. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 98 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 72 °F

    Chance
    T-storms and
    Breezy

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. West southwest wind around 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    High: 85 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 63. Northeast wind around 10 mph. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 80%.

    High: 79 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    Showers

Detailed Forecast

Today
Sunny and hot, with a high near 99. Heat index values as high as 107. Windy, with a south southwest wind 20 to 30 mph, with gusts as high as 40 mph.
Tonight
Mostly clear, with a low around 76. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 30 mph.
Sunday
Sunny and hot, with a high near 98. Heat index values as high as 106. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. West southwest wind around 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Monday Night
Showers and possibly a thunderstorm. Low around 63. Northeast wind around 10 mph. Chance of precipitation is 80%.
Tuesday
Showers and possibly a thunderstorm. High near 79. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Storm Lake IA
 42.66°N 95.18°W (Elev. 1427 ft)
Last Update:
5:46 am CDT Jun 21, 2025
Forecast Valid:
6am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation