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.

Light Rain

39°F

4°C

Humidity 95%
Wind Speed NW 17 G 22 mph
Barometer 29.31 in
Dewpoint 37°F (3°C)
Visibility 3.00 mi
Wind Chill30°F (-1°C)
Last update 8 Jan 8:55 pm CST
Extended Forecast for

4 Miles NNE Hartwick IA

  • Tonight

    Tonight: A chance of rain, mixing with snow after 2am, then gradually ending. Cloudy, with a low around 32. Breezy, with a northwest wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance Rain
    then Chance
    Rain/Snow and
    Breezy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 41. North northwest wind 5 to 15 mph, with gusts as high as 28 mph.

    High: 41 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. Calm wind becoming west northwest around 5 mph after midnight.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 34. West northwest wind 6 to 15 mph, with gusts as high as 23 mph. Little or no snow accumulation expected.

    High: 34 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 16. Blustery, with a northwest wind 14 to 16 mph, with gusts as high as 25 mph.

    Low: 16 °F

    Mostly Cloudy
    and Blustery

  • Sunday

    Sunday: Sunny, with a high near 30.

    High: 30 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of rain, mixing with snow after 2am, then gradually ending. Cloudy, with a low around 32. Breezy, with a northwest wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 41. North northwest wind 5 to 15 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 29. Calm wind becoming west northwest around 5 mph after midnight.
Saturday
A 30 percent chance of snow, mainly after noon. Partly sunny, with a high near 34. West northwest wind 6 to 15 mph, with gusts as high as 23 mph. Little or no snow accumulation expected.
Saturday Night
Mostly cloudy, with a low around 16. Blustery, with a northwest wind 14 to 16 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 30.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 43.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Mostly cloudy, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Partly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Hartwick IA
 41.85°N 92.34°W
Last Update:
4:52 pm CST Jan 8, 2026
Forecast Valid:
9pm CST Jan 8, 2026-6pm CST Jan 15, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation