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

81°F

27°C

Humidity 74%
Wind Speed SE 6 mph
Barometer 29.96 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 2 Jul 1:15 pm CDT
Extended Forecast for

6 Miles SW Alta IA

Flood Watch July 2, 04:00pm until July 3, 07:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly before 3pm, then a chance of rain after 4pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 88. South southwest wind around 10 mph. Chance of precipitation is 40%.

    High: 88 °F

    Heavy Rain

  • Tonight

    Tonight: A chance of rain and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 67. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy through mid morning, then becoming sunny, with a high near 88. Southeast wind around 10 mph becoming west southwest in the afternoon. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 68. South southeast wind around 10 mph. Chance of precipitation is 80%.

    Low: 68 °F

    T-storms

  • Independence Day

    Independence Day: A slight chance of showers and thunderstorms, then a chance of showers after 1pm. Partly sunny, with a high near 88. South southeast wind around 5 mph becoming north northwest in the afternoon. Chance of precipitation is 30%.

    High: 88 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. West southwest wind around 5 mph becoming north northeast in the evening.

    Low: 66 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly before 3pm, then a chance of rain after 4pm. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 88. South southwest wind around 10 mph. Chance of precipitation is 40%.
Tonight
A chance of rain and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 67. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers and thunderstorms before 10am, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy through mid morning, then becoming sunny, with a high near 88. Southeast wind around 10 mph becoming west southwest in the afternoon. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 68. South southeast wind around 10 mph. Chance of precipitation is 80%.
Independence Day
A slight chance of showers and thunderstorms, then a chance of showers after 1pm. Partly sunny, with a high near 88. South southeast wind around 5 mph becoming north northwest in the afternoon. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. West southwest wind around 5 mph becoming north northeast in the evening.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 65.
Monday
Mostly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Alta IA
 42.61°N 95.35°W (Elev. 1444 ft)
Last Update:
1:23 pm CDT Jul 2, 2026
Forecast Valid:
1pm CDT Jul 2, 2026-6pm CDT Jul 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation