National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

30°F

-1°C

Humidity 60%
Wind Speed E 15 mph
Barometer 30.13 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 8 Feb 9:35 am CST
Extended Forecast for

3 Miles NNW Hartwick IA

  • Today

    Today: Mostly sunny, with a high near 40. East southeast wind 7 to 13 mph.

    High: 40 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 25. East southeast wind around 5 mph becoming south after midnight.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54. South wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 32. South wind around 9 mph becoming north northwest after midnight.

    Low: 32 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 45. North northwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.

    High: 42 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Today
Mostly sunny, with a high near 40. East southeast wind 7 to 13 mph.
Tonight
Partly cloudy, with a low around 25. East southeast wind around 5 mph becoming south after midnight.
Monday
Mostly sunny, with a high near 54. South wind 6 to 10 mph, with gusts as high as 18 mph.
Monday Night
Increasing clouds, with a low around 32. South wind around 9 mph becoming north northwest after midnight.
Tuesday
Partly sunny, with a high near 45. North northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Partly sunny, with a high near 44.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 30.
Thursday
A chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 43.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Hartwick IA
 41.81°N 92.37°W
Last Update:
8:33 am CST Feb 8, 2026
Forecast Valid:
9am CST Feb 8, 2026-6pm CST Feb 14, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation