Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

46°F

8°C

Humidity 63%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 18 Mar 10:55 pm CDT
Extended Forecast for

3 Miles NNW Hartwick IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. South wind around 6 mph becoming calm  after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Light and variable wind.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. Calm wind becoming west southwest 5 to 7 mph after midnight.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. Northwest wind around 8 mph.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. Northwest wind 3 to 5 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 58. Breezy.

    High: 58 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. South wind around 6 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 54. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 40. Calm wind becoming west southwest 5 to 7 mph after midnight.
Friday
Mostly sunny, with a high near 70. Northwest wind around 8 mph.
Friday Night
Mostly cloudy, with a low around 40. Northwest wind 3 to 5 mph.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly cloudy, with a high near 58. Breezy.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 47.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Hartwick IA
 41.81°N 92.37°W
10:16 pm CDT Mar 18, 2026
11pm CDT Mar 18, 2026-6pm CDT Mar 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database