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

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

85°F

29°C

Humidity 44%
Wind Speed S 8 mph
Barometer 30.10 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 3 Oct 5:15 pm CDT
Extended Forecast for

4 Miles ESE Gilman IA

  • Tonight

    Tonight: Clear, with a low around 65. South wind 5 to 7 mph.

    Low: 65 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Windy, with a south wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 88 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Clear, with a low around 62. South wind around 14 mph, with gusts as high as 23 mph.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85. Windy, with a south wind 14 to 21 mph, with gusts as high as 33 mph.

    High: 85 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 65. South wind 5 to 7 mph.
Saturday
Sunny, with a high near 88. Windy, with a south wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.
Saturday Night
Clear, with a low around 62. South wind around 14 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 85. Windy, with a south wind 14 to 21 mph, with gusts as high as 33 mph.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Gilman IA
 41.86°N 92.72°W
Last Update:
4:35 pm CDT Oct 3, 2025
Forecast Valid:
5pm CDT Oct 3, 2025-6pm CDT Oct 10, 2025
 
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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