Hazardous Weather Conditions

Current conditions at

Grinnell Municipal Airfield (KGGI)

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

Rain

67°F

19°C

Humidity 93%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 4 Jun 8:15 pm CDT
Detailed forecast for

Poweshiek County

Rest Of Tonight
Showers with thunderstorms likely. Lows in the lower 60s. Northwest winds around 5 mph, becoming south. Chance of rain near 100 percent.
Friday
Mostly cloudy with showers and thunderstorms likely in the morning, then mostly sunny in the afternoon. Humid with highs in the mid 80s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 70 percent.
Friday Night
Thunderstorms likely. Showers likely in the evening, then showers after midnight. Locally heavy rainfall possible in the evening. Humid with lows in the mid 60s. Southwest winds 5 to 10 mph. Chance of rain 90 percent.
Saturday
Partly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 20 percent.
Saturday Night
Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms. Humid with lows in the mid 60s. Southeast winds around 5 mph. Chance of rain 20 percent.
Sunday
Partly sunny. A slight chance of showers and thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 70 percent.
Sunday Night
A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 70 percent.
Monday
Showers likely with a chance of thunderstorms. Highs in the mid 80s. Chance of rain 70 percent.
Monday Night
Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 50 percent.
Tuesday
Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent.
Tuesday Night
Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent.
Wednesday
Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 105 in the afternoon.
Wednesday Night
Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening.
Thursday
Sunny, hot with highs in the mid 90s. Heat index values up to 105 in the afternoon.



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813 PM CDT Thu Jun 4 2026
 
 

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