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

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Mostly Cloudy and Breezy

34°F

1°C

Humidity 59%
Wind Speed N 22 G 28 mph
Barometer 30.30 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 23 Mar 12:15 am CDT
Extended Forecast for

3 Miles NNW Hartwick IA

  • Overnight

    Overnight: Mostly clear, with a low around 27. North wind 6 to 9 mph.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 51. North wind around 5 mph becoming calm in the morning.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of sprinkles between 10pm and 11pm. Mostly cloudy, with a low around 36. South wind 5 to 7 mph.

    Low: 36 °F

    Chance
    Sprinkles

  • Tuesday

    Tuesday: Increasing clouds, with a high near 59. South wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 59 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. South southeast wind around 6 mph.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of rain. Partly sunny, with a high near 72. Breezy.

    High: 72 °F

    Slight Chance
    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. Blustery.

    Low: 30 °F

    Mostly Cloudy
    and Blustery

Detailed Forecast

Overnight
Mostly clear, with a low around 27. North wind 6 to 9 mph.
Monday
Mostly sunny, with a high near 51. North wind around 5 mph becoming calm in the morning.
Monday Night
A chance of sprinkles between 10pm and 11pm. Mostly cloudy, with a low around 36. South wind 5 to 7 mph.
Tuesday
Increasing clouds, with a high near 59. South wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 40. South southeast wind around 6 mph.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 72. Breezy.
Thursday Night
Mostly cloudy, with a low around 30. Blustery.
Friday
Mostly sunny, with a high near 45.
Friday Night
Clear, with a low around 26.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Hartwick IA
 41.81°N 92.37°W
Last Update:
10:36 pm CDT Mar 22, 2026
Forecast Valid:
12am CDT Mar 23, 2026-6pm CDT Mar 29, 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