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

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 74. North northeast wind around 5 mph.

    Low: 74 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly before 8am. Patchy smoke after 2pm. Patchy fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 85. East wind around 10 mph.

    High: 85 °F

    Chance
    T-storms and
    Patchy Fog
    then Patchy
    Smoke

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Some of the storms could produce heavy rainfall. Patchy smoke before 3am. Patchy fog after 4am. Otherwise, increasing clouds, with a low around 66. East wind 5 to 10 mph.

    Low: 66 °F

    Patchy Smoke
    then Heavy
    Rain and
    Patchy Fog

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms, mainly between 8am and 11am. Some of the storms could produce heavy rainfall. Patchy smoke before 10am. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 78. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 78 °F

    Heavy Rain
    and Patchy
    Fog then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 63. East northeast wind around 10 mph. Chance of precipitation is 60%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Cloudy, with a high near 78. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 74. North northeast wind around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly before 8am. Patchy smoke after 2pm. Patchy fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 85. East wind around 10 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Some of the storms could produce heavy rainfall. Patchy smoke before 3am. Patchy fog after 4am. Otherwise, increasing clouds, with a low around 66. East wind 5 to 10 mph.
Thursday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms, mainly between 8am and 11am. Some of the storms could produce heavy rainfall. Patchy smoke before 10am. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 78. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.
Thursday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 63. East northeast wind around 10 mph. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Cloudy, with a high near 78. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Sunday
Mostly cloudy, with a high near 75.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 79.
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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:
3:08 am CDT Aug 12, 2026
Forecast Valid:
3am CDT Aug 12, 2026-6pm CDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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