Threats For Heavy Rain and Severe Thunderstorms Continue in the Plains; Fire Weather Conditions Worsen in the Southwest

On Monday and Tuesday, the focus for heavy rain and severe thunderstorms will continue in the Plains and central Mississippi River Valley. Meanwhile, hot conditions and Critical Fire Weather looms over the Great Basin and Southwest U.S. through midweek. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

78°F

26°C

Humidity	79%
Wind Speed	Calm
Barometer	30.05 in
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	15 Jun 8:15 pm CDT

More Information:

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

Extended Forecast for

6 Miles SSW Chelsea IA

Tonight
Low: 65 °F
Scattered
T-storms
Monday
High: 87 °F
Slight Chance
T-storms
Monday Night
Low: 68 °F
Chance
T-storms
Tuesday
High: 87 °F
Slight Chance
T-storms then
Chance
T-storms
Tuesday Night
Low: 65 °F
T-storms then
Showers
Wednesday
High: 82 °F
Showers
Likely
Wednesday Night
Low: 61 °F
Slight Chance
T-storms
Juneteenth
High: 84 °F
Sunny
Thursday Night
Low: 63 °F
Mostly Clear

Detailed Forecast

Tonight

Scattered showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 65. Light south southeast wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Calm wind becoming south 5 to 8 mph in the morning.

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 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87. Southwest wind 6 to 8 mph. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

Showers and possibly a thunderstorm. Low around 65. West southwest wind around 6 mph becoming east in the evening. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Wednesday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

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 63.

Friday

Sunny, with a high near 88. Breezy.

Friday Night

Mostly clear, with a low around 72. Breezy.

Saturday

Sunny, with a high near 92. Breezy.