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

43°F

6°C

Humidity 68%
Wind Speed E 14 mph
Barometer 29.76 in (1007.9 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 15 Mar 12:54 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

  • Overnight

    Overnight: Mostly cloudy, with a low around 45. Southeast wind around 16 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain before 10am, then a chance of rain and thunderstorms between 10am and 4pm, then rain likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 65. Windy, with a south wind 22 to 31 mph, with gusts as high as 48 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 65 °F

    Chance
    T-storms and
    Breezy then
    Rain Likely
    and Windy

  • Sunday Night

    Sunday Night: Rain before 11pm, then a chance of rain and snow between 11pm and midnight, then a chance of snow after midnight. Patchy blowing snow after 1am. Low around 21. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 21 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Monday

    Monday: A 40 percent chance of snow before 1pm. Patchy blowing snow. Mostly cloudy, with a high near 25. Wind chill values between 3 and 9. Windy, with a west northwest wind 26 to 30 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. 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 after 1am. 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

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. Southeast wind around 16 mph, with gusts as high as 25 mph.
Sunday
A slight chance of rain before 10am, then a chance of rain and thunderstorms between 10am and 4pm, then rain likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 65. Windy, with a south wind 22 to 31 mph, with gusts as high as 48 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Rain before 11pm, then a chance of rain and snow between 11pm and midnight, then a chance of snow after midnight. Patchy blowing snow after 1am. Low around 21. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Monday
A 40 percent chance of snow before 1pm. Patchy blowing snow. Mostly cloudy, with a high near 25. Wind chill values between 3 and 9. Windy, with a west northwest wind 26 to 30 mph, with gusts as high as 44 mph.
Monday Night
Mostly cloudy, with a low around 10. 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 after 1am. 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.
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:
1:26 am CDT Mar 15, 2026
Forecast Valid:
1am 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