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

71°F

22°C

Humidity	89%
Wind Speed	Calm
Barometer	30.02 in
Dewpoint	68°F (20°C)
Visibility	7.00 mi
Last update	16 Jun 3:35 am CDT

More Information:

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

Extended Forecast for

Sully IA

Overnight
Low: 67 °F
Slight Chance
T-storms
Monday
High: 87 °F
Mostly Sunny
Monday Night
Low: 69 °F
Chance
T-storms
Tuesday
High: 86 °F
Slight Chance
T-storms then
Showers
Likely
Tuesday Night
Low: 67 °F
Heavy Rain
Wednesday
High: 79 °F
Showers
Likely
Wednesday Night
Low: 60 °F
Mostly Clear
Juneteenth
High: 86 °F
Sunny
Thursday Night
Low: 65 °F
Mostly Clear

Detailed Forecast

Overnight

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Light south southeast wind.

Monday

Mostly sunny, with a high near 87. Light south wind increasing to 5 to 9 mph in the morning.

Monday Night

A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. South wind 6 to 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 67. Southeast wind 6 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches 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 79. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Wednesday Night

Mostly clear, with a low around 60.

Juneteenth

Sunny, with a high near 86.

Thursday Night

Mostly clear, with a low around 65.

Friday

Sunny, with a high near 89. Breezy.

Friday Night

Mostly clear, with a low around 75. Breezy.

Saturday

Sunny, with a high near 93. Breezy.