Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Grinnell Municipal Airfield (KGGI)

Lat: 41.71°NLon: 92.73°WElev: 1007ft.

Fair

83°F

28°C

Humidity	39%
Wind Speed	S 13 mph
Barometer	29.91 in
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	11 Oct 12:35 pm CDT

More Information:

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

Extended Forecast for

Sully IA

This Afternoon
High: 88 °F
Sunny
Tonight
Low: 69 °F
Decreasing
Clouds
Columbus Day
High: 88 °F
Sunny
Monday Night
Low: 65 °F
Clear
Tuesday
High: 78 °F
Sunny
Tuesday Night
Low: 59 °F
Showers
Likely
Wednesday
High: 70 °F
Chance
Showers
Wednesday Night
Low: 55 °F
Chance
Showers
Thursday
High: 66 °F
Showers
Likely

Detailed Forecast

This Afternoon

Sunny, with a high near 88. South wind around 11 mph, with gusts as high as 20 mph.

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a low around 69. South wind around 9 mph.

Columbus Day

Sunny, with a high near 88. South southwest wind 9 to 15 mph, with gusts as high as 24 mph.

Monday Night

Clear, with a low around 65. South southwest wind 7 to 11 mph becoming west after midnight. Winds could gust as high as 22 mph.

Tuesday

Sunny, with a high near 78. North northwest wind 5 to 7 mph.

Tuesday Night

Showers likely, mainly after 1am. Partly cloudy, with a low around 59. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

A 40 percent chance of showers. Partly sunny, with a high near 70.

Wednesday Night

A 50 percent chance of showers. Mostly cloudy, with a low around 55.

Thursday

Showers likely, mainly before 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.

Thursday Night

A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 48.

Friday

Partly sunny, with a high near 59. Breezy.

Friday Night

Partly cloudy, with a low around 39.