National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

51°F

11°C

Humidity 64%
Wind Speed SE 14 mph
Barometer 29.61 in (1002.5 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 15 Mar 4:54 am CDT
Extended Forecast for

2 Miles E Elwin IL

Wind Advisory March 15, 10:00am until March 16, 07:00am
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3pm. High near 65. Windy, with a south wind 20 to 25 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 49 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 65 °F

    Chance
    T-storms and
    Breezy then
    Rain and
    Windy

  • Tonight

    Tonight: Rain before 11pm, then a chance of rain and snow between 11pm and midnight, then a chance of snow after midnight. Some thunder is also possible. Patchy blowing snow after 1am. Low around 21. Windy, with a west northwest wind 26 to 31 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: A 40 percent chance of snow, mainly before 1pm. Patchy blowing snow. Mostly cloudy, with a high near 25. Wind chill values between 2 and 9. Windy, with a west northwest wind 26 to 31 mph, with gusts as high as 44 mph.

    High: 25 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 10. Wind chill values between -5 and 5. Blustery, with a west northwest wind 15 to 22 mph, with gusts as high as 32 mph.

    Low: 10 °F

    Mostly Cloudy
    and Blustery

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29. West northwest wind 8 to 13 mph, with gusts as high as 18 mph.

    High: 29 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 25. South southeast wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 25 mph.

    Low: 25 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53. South wind 13 to 18 mph, with gusts as high as 28 mph.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3pm. High near 65. Windy, with a south wind 20 to 25 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 49 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain before 11pm, then a chance of rain and snow between 11pm and midnight, then a chance of snow after midnight. Some thunder is also possible. Patchy blowing snow after 1am. Low around 21. Windy, with a west northwest wind 26 to 31 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday
A 40 percent chance of snow, mainly before 1pm. Patchy blowing snow. Mostly cloudy, with a high near 25. Wind chill values between 2 and 9. Windy, with a west northwest wind 26 to 31 mph, with gusts as high as 44 mph.
Monday Night
Mostly cloudy, with a low around 10. Wind chill values between -5 and 5. Blustery, with a west northwest wind 15 to 22 mph, with gusts as high as 32 mph.
Tuesday
Mostly sunny, with a high near 29. West northwest wind 8 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 25. South southeast wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 25 mph.
Wednesday
Mostly sunny, with a high near 53. South wind 13 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Partly sunny, with a high near 68.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Elwin IL
 39.8°N 88.91°W (Elev. 656 ft)
Last Update:
4:36 am CDT Mar 15, 2026
Forecast Valid:
5am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation