Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Thunderstorm in Vicinity

72°F

22°C

Humidity	87%
Wind Speed	W 9 mph
Barometer	29.45 in (996.8 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	17 Jun 7:54 pm CDT

More Information:

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

Extended Forecast for

4 Miles ESE Milmine IL

Tornado Watch June 17, 08:51pm until June 17, 10:00pm

Click here for hazard details and duration

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Tornado Watch June 17, 08:51pm until June 17, 10:00pm
NOW until 10:00pm Wed
Tornado Watch
Tonight
Low: 61 °F
Severe
Thunderstorms
and Breezy
then Partly
Cloudy
Thursday
High: 74 °F
Mostly Sunny
Thursday Night
Low: 56 °F
Mostly Clear
Juneteenth
High: 78 °F
Sunny
Friday Night
Low: 60 °F
Partly Cloudy
Saturday
High: 81 °F
Mostly Sunny
Saturday Night
Low: 62 °F
Mostly Clear
then Chance
Showers
Sunday
High: 78 °F
Showers

Detailed Forecast

Tonight

Showers and thunderstorms likely, mainly before 11pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. Breezy, with a west wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Mostly sunny, with a high near 74. West northwest wind around 14 mph, with gusts as high as 21 mph.

Thursday Night

Mostly clear, with a low around 56. West northwest wind 5 to 9 mph becoming light northwest.

Juneteenth

Sunny, with a high near 78. West northwest wind 5 to 10 mph.

Friday Night

Partly cloudy, with a low around 60. West northwest wind 5 to 7 mph becoming light and variable.

Saturday

Mostly sunny, with a high near 81. Southwest wind 5 to 8 mph.

Saturday Night

A 30 percent chance of showers after 1am. Partly cloudy, with a low around 62. West southwest wind 5 to 7 mph becoming east after midnight.