Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

53°F

12°C

Humidity 59%
Wind Speed Calm
Barometer 29.71 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 9 Mar 9:55 pm CDT
Extended Forecast for

4 Miles NNE Hartwick IA

  • Tonight

    Tonight: Mostly clear, with a low around 41. Light and variable wind.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after 4pm.  Mostly sunny, with a high near 68. East wind 5 to 9 mph.

    High: 68 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly after 7pm.  Mostly cloudy, with a low around 35. North northeast wind 9 to 14 mph, with gusts as high as 22 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of rain, mixing with snow after 10am, then gradually ending.  Cloudy, then gradually becoming mostly sunny, with a high near 46. Breezy, with a north northwest wind 14 to 20 mph, with gusts as high as 28 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. Northwest wind 5 to 10 mph becoming light west northwest  after midnight. Winds could gust as high as 18 mph.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 53. Breezy.

    High: 53 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly before 1am.  Mostly cloudy, with a low around 35. Breezy.

    Low: 35 °F

    Chance Rain
    and Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 41. Light and variable wind.
Tuesday
A 20 percent chance of showers after 4pm. Mostly sunny, with a high near 68. East wind 5 to 9 mph.
Tuesday Night
A 40 percent chance of showers, mainly after 7pm. Mostly cloudy, with a low around 35. North northeast wind 9 to 14 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of rain, mixing with snow after 10am, then gradually ending. Cloudy, then gradually becoming mostly sunny, with a high near 46. Breezy, with a north northwest wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
Mostly clear, with a low around 25. Northwest wind 5 to 10 mph becoming light west northwest after midnight. Winds could gust as high as 18 mph.
Thursday
Partly sunny, with a high near 53. Breezy.
Thursday Night
A 40 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 35. Breezy.
Friday
Mostly cloudy, with a high near 49.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Mostly cloudy, with a high near 53.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 32.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 41. Windy. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 15. Blustery.
Monday
Mostly sunny, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Hartwick IA
 41.85°N 92.34°W
7:26 pm CDT Mar 9, 2026
9pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database