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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Storm Lake IA

  • Today

    Today: A chance of rain before 1pm, then a chance of showers and thunderstorms, mainly after 2pm. Cloudy, with a high near 81. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 63. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 78. North northwest wind 5 to 10 mph.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. North northwest wind around 5 mph becoming calm.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. West southwest wind around 5 mph.

    Low: 62 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 70%.

    High: 79 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.

    Low: 59 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

Detailed Forecast

Today
A chance of rain before 1pm, then a chance of showers and thunderstorms, mainly after 2pm. Cloudy, with a high near 81. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 63. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%.
Sunday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 78. North northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 57. North northwest wind around 5 mph becoming calm.
Monday
Sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. West southwest wind around 5 mph.
Tuesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 75.
Thursday Night
A 40 percent chance of showers. Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 78.
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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:
10:57 am CDT Aug 15, 2026
Forecast Valid:
11am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
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