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

45°F

7°C

Humidity 44%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 24°F (-4°C)
Visibility 7.00 mi
Last update 16 Nov 9:15 pm CST
Extended Forecast for

3 Miles SW Belle Plaine IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Light and variable wind.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: A 40 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 49. East southeast wind 5 to 13 mph, with gusts as high as 22 mph.

    High: 49 °F

    Partly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm before midnight, then rain likely. Low around 37. East southeast wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 37 °F

    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain before noon. Mostly cloudy, with a high near 47. East northeast wind 7 to 9 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 37. East northeast wind around 6 mph becoming calm in the evening.

    Low: 37 °F

    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A chance of rain, with thunderstorms also possible after noon. Partly sunny, with a high near 56. Chance of precipitation is 40%.

    High: 56 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. Light and variable wind.
Monday
A 40 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 49. East southeast wind 5 to 13 mph, with gusts as high as 22 mph.
Monday Night
Rain and possibly a thunderstorm before midnight, then rain likely. Low around 37. East southeast wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 30 percent chance of rain before noon. Mostly cloudy, with a high near 47. East northeast wind 7 to 9 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Cloudy, with a low around 37. East northeast wind around 6 mph becoming calm in the evening.
Wednesday
Mostly cloudy, with a high near 51.
Wednesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 38.
Thursday
A chance of rain, with thunderstorms also possible after noon. Partly sunny, with a high near 56. Chance of precipitation is 40%.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 43.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 52.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Partly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Belle Plaine IA
 41.85°N 92.31°W
Last Update:
7:47 pm CST Nov 16, 2025
Forecast Valid:
9pm CST Nov 16, 2025-6pm CST Nov 23, 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