Severe Storms Expected Across Upper Midwest; Heat Advisories in the Plains

Strong to severe thunderstorms with damaging winds, large hail, heavy rain, and a few tornadoes are expected across the Upper Mississippi Valley, which includes the Twin Cities metro area. Meanwhile, heat advisories are in effect across the central and southern Plains, including the Kansas City metro area. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

En Español

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Mostly Cloudy

80°F

27°C

Humidity	85%
Wind Speed	S 9 mph
Barometer	30.08 in (1017.9 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	9 Aug 12:54 pm CDT

More Information:

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

Extended Forecast for

2 Miles WNW Decatur IL

This
Afternoon

Slight Chance
T-storms
High: 85 °F
Tonight

Chance
T-storms
Low: 70 °F
Monday

Chance
T-storms
High: 89 °F
Monday
Night

T-storms
Likely
Low: 71 °F
Tuesday

Chance
T-storms
High: 84 °F
Tuesday
Night

Chance
T-storms
Low: 66 °F
Wednesday

Chance
T-storms
High: 82 °F
Wednesday
Night

Partly Cloudy
Low: 65 °F
Thursday

Chance
T-storms
High: 84 °F

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms before 2pm. Partly sunny, with a high near 85. South wind around 10 mph, with gusts as high as 16 mph.

Tonight

A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 70. South wind 7 to 9 mph.

Monday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. South wind 7 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 16 mph.

Monday Night

Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 71. West southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Tuesday

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Calm wind.

Tuesday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Calm wind.

Wednesday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. East northeast wind 3 to 6 mph.

Wednesday Night

Partly cloudy, with a low around 65.

Thursday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.

Thursday Night

Partly cloudy, with a low around 65.