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

Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

36°F

2°C

Humidity 47%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 19 Apr 1:55 am CDT
Extended Forecast for

3 Miles NNW Hartwick IA

  • Overnight

    Overnight: Clear, with a steady temperature around 35. West southwest wind around 7 mph.

    Low: 35 °F

    Clear

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 53. West southwest wind 8 to 14 mph becoming north northwest in the morning. Winds could gust as high as 22 mph.

    High: 53 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 28. North wind 5 to 8 mph becoming calm in the evening.

    Low: 28 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 61. Light southeast wind becoming south southeast 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. South wind around 11 mph, with gusts as high as 21 mph.

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a steady temperature around 35. West southwest wind around 7 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 53. West southwest wind 8 to 14 mph becoming north northwest in the morning. Winds could gust as high as 22 mph.
Sunday Night
Clear, with a low around 28. North wind 5 to 8 mph becoming calm in the evening.
Monday
Sunny, with a high near 61. Light southeast wind becoming south southeast 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 48. South wind around 11 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Clear, with a low around 50.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 76. Windy.
Thursday Night
Showers and possibly a thunderstorm. Low around 49. Breezy. Chance of precipitation is 80%.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 63.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 62.
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:
1:26 am CDT Apr 19, 2026
Forecast Valid:
2am CDT Apr 19, 2026-6pm CDT Apr 25, 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