Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

Grinnell Municipal Airfield (KGGI)

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

Fair

66°F

19°C

Humidity	90%
Wind Speed	E 3 mph
Barometer	30.05 in
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	30 Jul 2:35 am CDT

More Information:

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

Detailed forecast for

Poweshiek County

Rest Of Tonight

Mostly clear. Lows in the lower 60s. Southeast winds around 5 mph.

Thursday

Mostly sunny. Highs in the mid 80s. Southeast winds 5 to 10 mph.

Thursday Night

Mostly cloudy. Showers with a chance of thunderstorms after midnight. Lows in the mid 60s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent.

Friday

Showers with a chance of thunderstorms. Humid with highs in the upper 70s. Southeast winds 10 to 15 mph. Chance of rain near 100 percent.

Friday Night

A chance of thunderstorms. Showers likely, mainly in the evening. Humid with lows in the lower 60s. North winds around 15 mph with gusts up to 30 mph. Chance of rain 70 percent.

Saturday

Partly sunny in the morning, then clearing. Highs around 80.

Saturday Night

Clear. Lows in the lower 60s.

Sunday

Sunny. Highs in the lower 80s.

Sunday Night

Clear. Lows in the lower 60s.

Monday

Sunny. Highs in the lower 80s.

Monday Night

Mostly clear. Lows in the lower 60s.