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

37°F

3°C

Humidity 40%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 18 Apr 11:35 pm CDT
Extended Forecast for

9 Miles NE Grinnell IA

  • Tonight

    Tonight: Mostly clear, with a low around 32. West wind 5 to 7 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 52. West southwest wind 8 to 14 mph becoming north northwest in the morning. Winds could gust as high as 23 mph.

    High: 52 °F

    Mostly 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. South southeast wind 5 to 14 mph, with gusts as high as 21 mph.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48. South wind 10 to 13 mph, with gusts as high as 21 mph.

    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

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 32. West wind 5 to 7 mph.
Sunday
Mostly sunny, with a high near 52. West southwest wind 8 to 14 mph becoming north northwest in the morning. Winds could gust as high as 23 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. South southeast wind 5 to 14 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 48. South wind 10 to 13 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Clear, with a low around 50.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, 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 likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Breezy. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 60. Breezy.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NE Grinnell IA
 41.84°N 92.6°W
Last Update:
10:48 pm CDT Apr 18, 2026
Forecast Valid:
11pm CDT Apr 18, 2026-6pm CDT Apr 25, 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