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 >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Grinnell Municipal Airfield (KGGI)

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

Mostly Cloudy

77°F

25°C

Humidity	61%
Wind Speed	Calm
Barometer	30.08 in
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	13 Jul 12:55 pm CDT

More Information:

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

Detailed forecast for

Poweshiek County

This Afternoon

Sunny. Near steady temperature around 80. Southwest winds around 5 mph.

Tonight

Mostly clear. Lows in the mid 60s. South winds around 5 mph.

Monday

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

Monday Night

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

Tuesday

Sunny with highs in the upper 80s. South winds 5 to 10 mph.

Tuesday Night

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

Wednesday

Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 40 percent.

Wednesday Night

Mostly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the lower 60s. Chance of rain 40 percent.

Thursday

Mostly sunny. A slight chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 20 percent.

Thursday Night

Partly cloudy with a slight chance of showers. A slight chance of thunderstorms after midnight. Lows in the upper 50s. Chance of rain 20 percent.

Friday

Mostly sunny. A slight chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 20 percent.

Friday Night

Partly cloudy in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 30 percent.

Saturday

Partly sunny. A chance of showers and thunderstorms, mainly in the morning. Highs in the lower 80s. Chance of rain 30 percent.