National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

62°F

17°C

Humidity 33%
Wind Speed NW 6 mph
Barometer 30.00 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 12 May 10:15 pm CDT
Extended Forecast for

Gilman IA

  • Tonight

    Tonight: Clear, with a low around 49. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 49 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. North northwest wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 45. North wind around 6 mph becoming light and variable.

    Low: 45 °F

    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 77. Breezy, with a south southeast wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 77 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 56. Breezy, with a south southeast wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 57.

    Low: 57 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Sunny, with a high near 86.

    High: 86 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 49. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 73. North northwest wind 9 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Clear, with a low around 45. North wind around 6 mph becoming light and variable.
Thursday
Mostly sunny, with a high near 77. Breezy, with a south southeast wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Thursday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 56. Breezy, with a south southeast wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Friday
Sunny, with a high near 87.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 57.
Saturday
A 20 percent chance of showers after 1pm. Sunny, with a high near 86.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Breezy.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Breezy. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 81. Breezy.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Gilman IA
 41.88°N 92.77°W
Last Update:
10:17 pm CDT May 12, 2026
Forecast Valid:
10pm CDT May 12, 2026-6pm CDT May 19, 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