Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

66°F

19°C

Humidity	98%
Wind Speed	SW 3 mph
Barometer	30.06 in
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	9 Sep 11:55 pm CDT

More Information:

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

Extended Forecast for

Sully IA

Overnight
Low: 61 °F
Increasing
Clouds
Thursday
High: 80 °F
Mostly Sunny
Thursday Night
Low: 58 °F
Clear
Friday
High: 81 °F
Sunny
Friday Night
Low: 65 °F
Mostly Clear
then Chance
Showers
Saturday
High: 80 °F
Chance
Showers
Saturday Night
Low: 60 °F
Slight Chance
T-storms
Sunday
High: 79 °F
Chance
T-storms
Sunday Night
Low: 66 °F
Chance
T-storms

Detailed Forecast

Overnight

Increasing clouds, with a low around 61. Light and variable wind.

Thursday

Mostly sunny, with a high near 80. Light north wind.

Thursday Night

Clear, with a low around 58. Light and variable wind.

Friday

Sunny, with a high near 81. South wind 5 to 11 mph.

Friday Night

A 40 percent chance of showers after 1am. Mostly clear, with a low around 65. South southeast wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.

Sunday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

Monday

A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Breezy. Chance of precipitation is 60%.

Monday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.

Tuesday

A 30 percent chance of showers. Mostly cloudy, with a high near 72.

Tuesday Night

A 40 percent chance of showers. Mostly cloudy, with a low around 58.

Wednesday

A 50 percent chance of showers. Mostly cloudy, with a high near 74.