National Weather Service

News Headlines

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Overcast and Windy

13°F

-11°C

Humidity	64%
Wind Speed	W 28 G 40 mph
Barometer	30.11 in (1020.5 mb)
Dewpoint	3°F (-16°C)
Visibility	10.00 mi
Wind Chill	-8°F (-22°C)
Last update	29 Dec 7:54 am CST

More Information:

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

Extended Forecast for

2 Miles ENE Harristown IL

Wind Advisory December 29, 08:20am until December 29, 03:00pm

Click here for hazard details and duration

Wind Advisory

Wind Advisory December 29, 08:20am until December 29, 03:00pm
NOW until 3:00pm Mon
Wind Advisory
Today
High: 22 °F
Partly Sunny
and Blustery
Tonight
Low: 12 °F
Partly Cloudy
Tuesday
High: 30 °F
Mostly Sunny
Tuesday Night
Low: 26 °F
Partly Cloudy
Wednesday
High: 35 °F
Mostly Cloudy
Wednesday Night
Low: 18 °F
Mostly Cloudy
New Year's Day
High: 27 °F
Mostly Sunny
Thursday Night
Low: 17 °F
Partly Cloudy

Detailed Forecast

Today

Partly sunny, with a high near 22. Wind chill values between -5 and 5. Blustery, with a west northwest wind 24 to 29 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 41 mph.

Tonight

Partly cloudy, with a low around 12. Wind chill values between -2 and 3. Northwest wind 11 to 17 mph, with gusts as high as 26 mph.

Tuesday

Mostly sunny, with a high near 30. Wind chill values between -1 and 9. West southwest wind 10 to 14 mph, with gusts as high as 20 mph.

Tuesday Night

Partly cloudy, with a low around 26. West wind around 11 mph, with gusts as high as 20 mph.

Wednesday

Mostly cloudy, with a high near 35. West wind 10 to 14 mph, with gusts as high as 22 mph.

Wednesday Night

Mostly cloudy, with a low around 18. North wind around 9 mph, with gusts as high as 15 mph.

New Year's Day

Mostly sunny, with a high near 27. Northwest wind 6 to 9 mph.