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.

A Few Clouds

79°F

26°C

Humidity 89%
Wind Speed S 7 mph
Barometer 29.92 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Aug 8:15 pm CDT
Extended Forecast for

Storm Lake IA

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 72. South southeast wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 72 °F

    Isolated
    T-storms then
    Scattered
    T-storms

  • Monday

    Monday: Scattered showers and thunderstorms, mainly before 8am. Partly sunny, with a high near 88. West southwest wind around 10 mph. Chance of precipitation is 30%.

    High: 88 °F

    Scattered
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. North wind around 5 mph becoming east in the evening.

    Low: 67 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. North northeast wind 5 to 10 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. Northeast wind around 5 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. East northeast wind around 5 mph.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 72. South southeast wind 5 to 10 mph. Chance of precipitation is 50%.
Monday
Scattered showers and thunderstorms, mainly before 8am. Partly sunny, with a high near 88. West southwest wind around 10 mph. Chance of precipitation is 30%.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. North wind around 5 mph becoming east in the evening.
Tuesday
Mostly sunny, with a high near 83. North northeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 62. Northeast wind around 5 mph.
Wednesday
Sunny, with a high near 80. East northeast wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 61.
Friday
Mostly sunny, with a high near 82.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 57.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Storm Lake IA
 42.64°N 95.21°W (Elev. 1398 ft)
Last Update:
6:56 pm CDT Aug 17, 2025
Forecast Valid:
8pm CDT Aug 17, 2025-6pm CDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation