Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Mostly Cloudy

80°F

27°C

Humidity	74%
Wind Speed	Calm
Barometer	30.07 in
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	15 Jun 2:55 pm CDT

More Information:

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

Extended Forecast for

3 Miles WSW Montezuma IA

This Afternoon
High: 84 °F
Chance
T-storms
Tonight
Low: 66 °F
Chance
T-storms
Monday
High: 87 °F
Slight Chance
T-storms
Monday Night
Low: 68 °F
Chance
T-storms
Tuesday
High: 88 °F
Slight Chance
T-storms then
Chance
T-storms
Tuesday Night
Low: 66 °F
T-storms then
Showers
Wednesday
High: 82 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 61 °F
Slight Chance
T-storms
Juneteenth
High: 84 °F
Sunny

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Southeast wind around 7 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 66. Light east southeast wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. South wind 3 to 7 mph.

Monday Night

A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68. South wind around 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 88. South southwest wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

Showers and possibly a thunderstorm. Low around 66. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Wednesday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.

Wednesday Night

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61.

Juneteenth

Sunny, with a high near 84.

Thursday Night

Mostly clear, with a low around 64.

Friday

Sunny, with a high near 88. Breezy.