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

84°F

29°C

Humidity 79%
Wind Speed S 10 mph
Barometer 29.96 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 3 Jul 11:35 am CDT
Extended Forecast for

Storm Lake IA

  • Today

    Today: Sunny, with a high near 92. Heat index values as high as 100. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 70. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Mostly Clear

  • Independence Day

    Independence Day: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 90. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 85. South southwest wind around 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

    High: 85 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 62. North northwest wind around 10 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 92. Heat index values as high as 100. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 70. South wind around 10 mph, with gusts as high as 20 mph.
Independence Day
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 90. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. South wind around 15 mph, with gusts as high as 25 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 85. South southwest wind around 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Saturday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 62. North northwest wind around 10 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 83.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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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:
10:02 am CDT Jul 3, 2025
Forecast Valid:
11am CDT Jul 3, 2025-6pm CDT Jul 9, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation