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.

Partly Cloudy and Breezy

19°F

-7°C

Humidity 65%
Wind Speed NW 23 G 28 mph
Barometer 30.55 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 22 Feb 3:15 pm CST
Extended Forecast for

3 Miles NNW Hartwick IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 19. Wind chill values as low as zero. Blustery, with a north northwest wind around 17 mph, with gusts as high as 25 mph.

    High: 19 °F

    Mostly Sunny
    and Blustery

  • Tonight

    Tonight: Partly cloudy, with a low around 3. Wind chill values as low as -10. Blustery, with a north northwest wind 9 to 17 mph, with gusts as high as 30 mph.

    Low: 3 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 19. Wind chill values as low as -10. North northwest wind 5 to 8 mph becoming calm in the afternoon.

    High: 19 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a temperature falling to near 11 by 9pm, then rising to around 18 during the remainder of the night. Wind chill values as low as 5. Light and variable wind becoming south 6 to 11 mph after midnight. Winds could gust as high as 20 mph.

    Low: 11 °F⇑

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 41. South wind around 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 41 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow after noon. Mostly sunny, with a high near 33.

    High: 33 °F

    Sunny then
    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 17. Chance of precipitation is 60%.

    Low: 17 °F

    Snow Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 19. Wind chill values as low as zero. Blustery, with a north northwest wind around 17 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 3. Wind chill values as low as -10. Blustery, with a north northwest wind 9 to 17 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 19. Wind chill values as low as -10. North northwest wind 5 to 8 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a temperature falling to near 11 by 9pm, then rising to around 18 during the remainder of the night. Wind chill values as low as 5. Light and variable wind becoming south 6 to 11 mph after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 41. South wind around 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 18.
Wednesday
A 30 percent chance of snow after noon. Mostly sunny, with a high near 33.
Wednesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 17. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Mostly clear, with a low around 19.
Friday
Sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 27.
Saturday
Mostly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Hartwick IA
 41.81°N 92.37°W
Last Update:
3:16 pm CST Feb 22, 2026
Forecast Valid:
3pm CST Feb 22, 2026-6pm CST Feb 28, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation