Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

22°F

-6°C

Humidity 67%
Wind Speed NE 7 mph
Barometer 30.36 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 7 Feb 2:55 am CST
Extended Forecast for

Hartwick IA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 21. Northeast wind around 6 mph.

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 33. Light and variable wind becoming south southeast 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 33 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24. South southeast wind around 10 mph, with gusts as high as 18 mph.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 40. East southeast wind 5 to 9 mph.

    High: 40 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. Light and variable wind becoming south southeast around 5 mph after midnight.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 21. Northeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 33. Light and variable wind becoming south southeast 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 24. South southeast wind around 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 40. East southeast wind 5 to 9 mph.
Sunday Night
Partly cloudy, with a low around 27. Light and variable wind becoming south southeast around 5 mph after midnight.
Monday
Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Partly sunny, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Friday
A chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Hartwick IA
 41.79°N 92.37°W
2:07 am CST Feb 7, 2026
3am CST Feb 7, 2026-6pm CST Feb 13, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database