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

75°F

24°C

Humidity 25%
Wind Speed W 9 mph
Barometer 29.80 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 25 Mar 4:15 pm CDT
Extended Forecast for

3 Miles NNW Hartwick IA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 74. South southwest wind around 10 mph.

    High: 74 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 50. South southwest wind around 5 mph becoming light and variable in the evening.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain, mainly after 1pm. Increasing clouds, with a high near 73. Windy, with a south southwest wind 6 to 11 mph becoming north 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 73 °F

    Chance Rain
    and Windy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31. Windy, with a north northeast wind 14 to 21 mph, with gusts as high as 36 mph.

    Low: 31 °F

    Mostly Cloudy
    and Windy

  • Friday

    Friday: Sunny, with a high near 48. Breezy, with a north northwest wind 11 to 16 mph, with gusts as high as 24 mph.

    High: 48 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Clear, with a low around 23.

    Low: 23 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 74. South southwest wind around 10 mph.
Tonight
Partly cloudy, with a low around 50. South southwest wind around 5 mph becoming light and variable in the evening.
Thursday
A 40 percent chance of rain, mainly after 1pm. Increasing clouds, with a high near 73. Windy, with a south southwest wind 6 to 11 mph becoming north 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Mostly cloudy, with a low around 31. Windy, with a north northeast wind 14 to 21 mph, with gusts as high as 36 mph.
Friday
Sunny, with a high near 48. Breezy, with a north northwest wind 11 to 16 mph, with gusts as high as 24 mph.
Friday Night
Clear, with a low around 23.
Saturday
Sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 47.
Monday
Mostly sunny, with a high near 73.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 54.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 75. Breezy.
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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:
3:56 pm CDT Mar 25, 2026
Forecast Valid:
4pm CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation