Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Current conditions at

Grinnell Municipal Airfield (KGGI)

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

Fair

68°F

20°C

Humidity	87%
Wind Speed	Calm
Barometer	30.01 in
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	12 Jul 8:55 pm CDT

More Information:

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

Detailed forecast for

Poweshiek County

Tonight

Partly cloudy this evening, then becoming mostly cloudy. Lows around 60. West winds 5 to 10 mph.

Sunday

Patchy fog in the morning. Sunny. Highs in the lower 80s. Southwest winds around 5 mph.

Sunday Night

Mostly clear. Humid with lows in the mid 60s. South winds around 5 mph.

Monday

Sunny with highs in the upper 80s. South winds around 5 mph.

Monday Night

Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the upper 60s. South winds around 5 mph.

Tuesday

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

Tuesday Night

Partly cloudy with a chance of showers. A slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 40 percent.

Wednesday

Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50 percent.

Wednesday Night

Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 50 percent.

Thursday

Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 40 percent.

Thursday Night

Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 60s. Chance of rain 20 percent.

Friday

Partly sunny. Highs around 80.

Friday Night

Partly cloudy. A slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20 percent.

Saturday

Mostly sunny with a 20 percent chance of showers. Highs in the lower 80s.