Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71° N Lon: 92.73° W Elev: 1007 ft.

Partly Cloudy

85°F

29°C

Humidity 36%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 29 Sep 4:15 pm CDT
Detailed forecast for

Poweshiek County

This Afternoon
Sunny. Near steady temperature in the mid 80s. South winds 5 to 10 mph.
Tonight
Mostly clear in the evening, then becoming partly cloudy. Lows around 60. Southeast winds around 5 mph.
Tuesday
Mostly sunny. Highs in the mid 80s. Southeast winds around 5 mph.
Tuesday Night
Mostly cloudy. Lows around 60. East winds around 5 mph.
Wednesday
Partly sunny. Highs in the mid 80s. Southeast winds around 5 mph.
Wednesday Night
Partly cloudy. Lows in the upper 50s.
Thursday
Sunny. Highs in the upper 80s.
Thursday Night
Clear. Lows in the lower 60s.
Friday
Sunny. Highs in the upper 80s.
Friday Night
Mostly clear. Lows in the mid 60s.
Saturday
Mostly sunny with a 20 percent chance of showers. Highs in the mid 80s.
Saturday Night
Partly cloudy with a 20 percent chance of showers. Lows in the lower 60s.
Sunday
Mostly sunny with a 20 percent chance of showers. Highs in the mid 80s.



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147 PM CDT Mon Sep 29 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database