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.

Overcast

21°F

-6°C

Humidity 83%
Wind Speed SW 3 mph
Barometer 30.01 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 2 Dec 3:15 am CST
Extended Forecast for

4 Miles ESE Gilman IA

  • Overnight

    Overnight: Patchy freezing fog after 5am. Mostly cloudy, with a low around 8. Light southwest wind.

    Low: 8 °F

    Patchy
    Freezing Fog

  • Tuesday

    Tuesday: Patchy freezing fog before 10am. Partly sunny, with a high near 26. Wind chill values as low as zero. South southwest wind 5 to 9 mph.

    High: 26 °F

    Patchy
    Freezing Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: A chance of flurries between 2am and 3am, then a slight chance of snow after 3am. Mostly cloudy, with a steady temperature around 25. South wind 7 to 10 mph becoming west after midnight. Chance of precipitation is 20%.

    Low: 25 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: A chance of snow before noon, then a chance of flurries after noon. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 13 by 5pm. Wind chill values as low as zero. Blustery, with a north northwest wind 7 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 27 °F⇓

    Chance Snow
    then Chance
    Flurries and
    Blustery

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around -12. North northwest wind 5 to 13 mph, with gusts as high as 21 mph.

    Low: -12 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and cold, with a high near 9.

    High: 9 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy freezing fog after 5am. Mostly cloudy, with a low around 8. Light southwest wind.
Tuesday
Patchy freezing fog before 10am. Partly sunny, with a high near 26. Wind chill values as low as zero. South southwest wind 5 to 9 mph.
Tuesday Night
A chance of flurries between 2am and 3am, then a slight chance of snow after 3am. Mostly cloudy, with a steady temperature around 25. South wind 7 to 10 mph becoming west after midnight. Chance of precipitation is 20%.
Wednesday
A chance of snow before noon, then a chance of flurries after noon. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 13 by 5pm. Wind chill values as low as zero. Blustery, with a north northwest wind 7 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
Mostly clear, with a low around -12. North northwest wind 5 to 13 mph, with gusts as high as 21 mph.
Thursday
Sunny and cold, with a high near 9.
Thursday Night
Partly cloudy, with a low around -1.
Friday
Partly sunny, with a high near 27.
Friday Night
Mostly cloudy, with a low around 14.
Saturday
Mostly cloudy, with a high near 26.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 10.
Sunday
Partly sunny, with a high near 19.
Sunday Night
Mostly cloudy, with a low around 5.
Monday
Mostly cloudy, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Gilman IA
 41.86°N 92.72°W
Last Update:
3:16 am CST Dec 2, 2025
Forecast Valid:
3am CST Dec 2, 2025-6pm CST Dec 8, 2025
 
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