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Severe Weather and Heavy Rainfall Possible Through This Weekend

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Grinnell Municipal Airfield (KGGI)

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

Overcast

78°F

26°C

Humidity	80%
Wind Speed	Calm
Barometer	30.03 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	18 Jul 6:35 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Poweshiek County

Tonight

Mostly cloudy. Showers likely with a chance of thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the upper 60s. Southeast winds around 5 mph. Chance of rain 60 percent.

Saturday

Mostly cloudy with a chance of showers and thunderstorms in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. West winds around 5 mph. Chance of rain 50 percent.

Saturday Night

Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. A chance of showers. Humid with lows in the upper 60s. North winds around 5 mph. Chance of rain 50 percent.

Sunday

Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Humid with highs in the lower 80s. East winds 5 to 10 mph. Chance of rain 50 percent.

Sunday Night

Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Humid with lows in the upper 60s. East winds around 5 mph. Chance of rain 60 percent.

Monday

Mostly cloudy with a chance of showers and thunderstorms in the morning, then partly sunny in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.

Monday Night

Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 40 percent.

Tuesday

Partly sunny with a slight chance of showers and thunderstorms in the morning, then sunny in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105 in the afternoon.

Tuesday Night

Mostly clear in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening.

Wednesday

Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105.

Wednesday Night

Mostly clear in the evening, then becoming partly cloudy. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the lower 70s. Chance of rain 30 percent. Heat index values up to 100 early in the evening.

Thursday

Mostly sunny with a slight chance of showers and thunderstorms. Highs around 90. Chance of rain 20 percent. Heat index values up to 100.

Thursday Night

Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 30 percent.

Friday

Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.