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

86°F

30°C

Humidity 46%
Wind Speed S 14 mph
Barometer 29.93 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 19 Jun 4:15 pm CDT
Extended Forecast for

Storm Lake IA

Extreme Heat Warning June 20, 12:00pm until June 22, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 3am. Mostly clear, with a low around 69. South wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 69 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: Sunny and hot, with a high near 97. Heat index values as high as 110. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 97 °F

    Hot and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. Breezy, with a south wind around 25 mph, with gusts as high as 35 mph.

    Low: 76 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny and hot, with a high near 99. Heat index values as high as 108. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 99 °F

    Hot and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. Breezy, with a south wind around 20 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. Windy, with a south wind 25 to 30 mph, with gusts as high as 40 mph.

    High: 98 °F

    Hot and Windy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Breezy.

    Low: 72 °F

    Chance
    T-storms and
    Breezy

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 90%.

    Low: 61 °F

    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 3am. Mostly clear, with a low around 69. South wind 10 to 15 mph, with gusts as high as 30 mph.
Friday
Sunny and hot, with a high near 97. Heat index values as high as 110. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph.
Friday Night
Mostly clear, with a low around 76. Breezy, with a south wind around 25 mph, with gusts as high as 35 mph.
Saturday
Sunny and hot, with a high near 99. Heat index values as high as 108. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 35 mph.
Saturday Night
Mostly clear, with a low around 76. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.
Sunday
Sunny and hot, with a high near 98. Windy, with a south wind 25 to 30 mph, with gusts as high as 40 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Breezy.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 70%.
Monday Night
Showers and possibly a thunderstorm. Low around 61. Chance of precipitation is 90%.
Tuesday
Showers and possibly a thunderstorm. High near 77. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Storm Lake IA
 42.66°N 95.21°W (Elev. 1437 ft)
Last Update:
3:00 pm CDT Jun 19, 2025
Forecast Valid:
4pm CDT Jun 19, 2025-6pm CDT Jun 26, 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