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 and Breezy

35°F

2°C

Humidity 58%
Wind Speed NW 23 G 29 mph
Barometer 29.93 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 18 Apr 4:55 am CDT
Extended Forecast for

3 Miles NNW Hartwick IA

  • Today

    Today: Sunny, with a high near 50. Windy, with a west northwest wind 14 to 21 mph, with gusts as high as 30 mph.

    High: 50 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 32. West southwest wind 5 to 14 mph, with gusts as high as 24 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 54. Northwest wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 29. North wind 5 to 8 mph becoming calm after midnight.

    Low: 29 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 62. Light southeast wind becoming south southeast 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

    High: 62 °F

    Sunny

  • Monday Night

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

    Low: 48 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 50.

    Low: 50 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 50. Windy, with a west northwest wind 14 to 21 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 32. West southwest wind 5 to 14 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 54. Northwest wind 6 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Clear, with a low around 29. North wind 5 to 8 mph becoming calm after midnight.
Monday
Sunny, with a high near 62. Light southeast wind becoming south southeast 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Clear, with a low around 50.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 78. Windy.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Breezy. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 66. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Hartwick IA
 41.81°N 92.37°W
Last Update:
2:32 am CDT Apr 18, 2026
Forecast Valid:
4am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation