Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

56°F

13°C

Humidity 47%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 19 Mar 9:55 pm CDT
Extended Forecast for

Hartwick IA

  • Tonight

    Tonight: Partly cloudy, with a low around 42. South wind 5 to 8 mph becoming west southwest after midnight.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. West wind around 8 mph becoming north northwest in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. Light and variable wind becoming southeast around 5 mph after midnight.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 78. South southwest wind 5 to 9 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 51. South wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65. Breezy.

    High: 65 °F

    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. South wind 5 to 8 mph becoming west southwest after midnight.
Friday
Mostly sunny, with a high near 70. West wind around 8 mph becoming north northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 41. Light and variable wind becoming southeast around 5 mph after midnight.
Saturday
Sunny, with a high near 78. South southwest wind 5 to 9 mph.
Saturday Night
Partly cloudy, with a low around 51. South wind 7 to 13 mph, with gusts as high as 23 mph.
Sunday
Partly sunny, with a high near 65. Breezy.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Mostly cloudy, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Partly sunny, with a high near 61. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Hartwick IA
 41.79°N 92.34°W
9:43 pm CDT Mar 19, 2026
10pm CDT Mar 19, 2026-6pm CDT Mar 26, 2026
 
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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