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

41°F

5°C

Humidity 74%
Wind Speed Calm
Barometer 29.86 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 17 Feb 1:15 am CST
Extended Forecast for

5 Miles E Gilman IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. South southeast wind 5 to 7 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 62. Windy, with a southeast wind 7 to 12 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 62 °F

    Mostly Cloudy
    and Windy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain and thunderstorms before midnight. Partly cloudy, with a low around 45. Breezy, with a south southeast wind around 18 mph becoming west southwest after midnight. Winds could gust as high as 29 mph.

    Low: 45 °F

    Breezy.
    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 61. Windy, with a west wind 13 to 22 mph, with gusts as high as 29 mph.

    High: 61 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35. West wind 6 to 10 mph becoming northeast after midnight.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain and snow before noon, then rain likely. Partly sunny, with a high near 54. Breezy. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Slight Chance
    Rain/Snow
    then Rain
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain and snow. Mostly cloudy, with a low around 26. Blustery. Chance of precipitation is 50%.

    Low: 26 °F

    Chance
    Rain/Snow and
    Blustery

  • Friday

    Friday: A chance of snow before noon, then a slight chance of rain and snow. Partly sunny, with a high near 37. Breezy. Chance of precipitation is 30%.

    High: 37 °F

    Breezy.
    Chance Snow
    then Slight
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. South southeast wind 5 to 7 mph.
Tuesday
Mostly cloudy, with a high near 62. Windy, with a southeast wind 7 to 12 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 32 mph.
Tuesday Night
A 30 percent chance of rain and thunderstorms before midnight. Partly cloudy, with a low around 45. Breezy, with a south southeast wind around 18 mph becoming west southwest after midnight. Winds could gust as high as 29 mph.
Wednesday
Sunny, with a high near 61. Windy, with a west wind 13 to 22 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 35. West wind 6 to 10 mph becoming northeast after midnight.
Thursday
A slight chance of rain and snow before noon, then rain likely. Partly sunny, with a high near 54. Breezy. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Blustery. Chance of precipitation is 50%.
Friday
A chance of snow before noon, then a slight chance of rain and snow. Partly sunny, with a high near 37. Breezy. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Gilman IA
 41.88°N 92.69°W
Last Update:
10:12 pm CST Feb 16, 2026
Forecast Valid:
1am CST Feb 17, 2026-6pm CST Feb 23, 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