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.

Fair

45°F

7°C

Humidity 52%
Wind Speed NW 16 G 23 mph
Barometer 30.31 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 5 Apr 10:55 am CDT
Extended Forecast for

3 Miles NNW Hartwick IA

  • Today

    Today: Sunny, with a high near 55. West northwest wind around 15 mph, with gusts as high as 24 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 32. West wind around 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 32 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 47. North northwest wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 47 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. North northwest wind 6 to 10 mph becoming northeast after midnight. Winds could gust as high as 18 mph.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow showers before 1pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 41. East northeast wind 6 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 41 °F

    Slight Chance
    Snow Showers
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow showers before 10pm, then a chance of rain showers. Mostly cloudy, with a low around 33. Breezy. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Chance
    Rain/Snow
    then Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 68. Windy. Chance of precipitation is 40%.

    High: 68 °F

    Chance
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. Breezy. Chance of precipitation is 50%.

    Low: 43 °F

    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A 50 percent chance of showers. Partly sunny, with a high near 61.

    High: 61 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 55. West northwest wind around 15 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 32. West wind around 10 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Monday
Partly sunny, with a high near 47. North northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 24. North northwest wind 6 to 10 mph becoming northeast after midnight. Winds could gust as high as 18 mph.
Tuesday
A slight chance of snow showers before 1pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 41. East northeast wind 6 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday Night
A chance of rain and snow showers before 10pm, then a chance of rain showers. Mostly cloudy, with a low around 33. Breezy. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 68. Windy. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. Breezy. Chance of precipitation is 50%.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 61.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 40.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 59.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 42.
Saturday
Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
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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:
6:43 am CDT Apr 5, 2026
Forecast Valid:
11am CDT Apr 5, 2026-6pm CDT Apr 11, 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