Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

76°F

24°C

Humidity	72%
Wind Speed	Calm
Barometer	30.02 in
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	13 Jul 7:55 pm CDT

More Information:

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

Extended Forecast for

Montezuma IA

Tonight
Low: 63 °F
Clear
Monday
High: 87 °F
Sunny
Monday Night
Low: 65 °F
Clear
Tuesday
High: 87 °F
Sunny
Tuesday Night
Low: 69 °F
Mostly Clear
then Slight
Chance
T-storms
Wednesday
High: 86 °F
Chance
T-storms
Wednesday Night
Low: 67 °F
Chance
T-storms
Thursday
High: 78 °F
Chance
T-storms
Thursday Night
Low: 62 °F
Mostly Cloudy

Detailed Forecast

Tonight

Clear, with a low around 63. Light south southwest wind.

Monday

Sunny, with a high near 87. Calm wind becoming south southwest around 6 mph in the morning.

Monday Night

Clear, with a low around 65. South southeast wind 3 to 5 mph.

Tuesday

Sunny, with a high near 87. South wind around 6 mph.

Tuesday Night

A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 69. South southeast wind around 6 mph. Chance of precipitation is 20%.

Wednesday

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

Thursday

A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 78.

Thursday Night

Mostly cloudy, with a low around 62.

Friday

Partly sunny, with a high near 80.

Friday Night

Mostly cloudy, with a low around 65.

Saturday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.