Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

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

Overcast

42°F

6°C

Humidity 90%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 39°F (4°C)
Visibility 7.00 mi
Last update 20 Nov 10:55 pm CST
Detailed forecast for

Poweshiek County

Rest Of Tonight
Mostly cloudy. Patchy fog. Lows in the upper 30s. North winds 5 to 10 mph.
Friday
Mostly cloudy. A slight chance of rain in the afternoon. Highs in the upper 40s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.
Friday Night
Mostly cloudy in the evening, then clearing. Lows around 30. North winds around 5 mph.
Saturday
Sunny. Highs in the mid 50s. Southwest winds 5 to 10 mph.
Saturday Night
Mostly clear. Lows in the mid 30s. Southwest winds around 5 mph.
Sunday
Sunny. Highs in the upper 50s.
Sunday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 30s.
Monday
Mostly cloudy. A chance of rain in the morning, then rain likely in the afternoon. Highs in the lower 50s. Chance of rain 60 percent.
Monday Night
Mostly cloudy. Rain likely, mainly in the evening. Lows in the lower 40s. Chance of rain 70 percent.
Tuesday
Partly sunny. A slight chance of rain in the morning. Highs in the lower 50s. Chance of rain 20 percent.
Tuesday Night
Partly cloudy. Cooler with lows in the upper 20s.
Wednesday
Partly sunny. Highs in the upper 30s.
Wednesday Night
Partly cloudy. Lows in the lower 20s.
Thanksgiving Day
Mostly sunny. Highs in the upper 30s.



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1017 PM CST Thu Nov 20 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database