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

8°F

-13°C

Humidity 69%
Wind Speed SW 17 mph
Barometer 30.12 in (1021.4 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill-10°F (-23°C)
Last update 27 Jan 2:54 am CST
Extended Forecast for

2 Miles E Elwin IL

Cold Weather Advisory January 27, 09:00pm until January 28, 10:00am
Cold Weather Advisory January 27, 03:57am until January 27, 06:00am
Click here for hazard details and duration
Cold Weather Advisory
Cold Weather Advisory
  •  
    Cold Weather Advisory January 27, 03:57am until January 27, 06:00am

    NOW until 6:00am Tue

    Cold Weather Advisory

  • Overnight

    Low: 11 °F

    Patchy
    Blowing Snow

  • Tuesday

    Tuesday: Patchy blowing snow before noon. Mostly sunny, with a high near 20. Wind chill values between -5 and 4. West northwest wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 20 °F

    Patchy
    Blowing Snow
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around -7. Wind chill values between -10 and -20. West northwest wind 5 to 8 mph.

    Low: -7 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 20. Wind chill values between -9 and -19. West wind 6 to 11 mph, with gusts as high as 17 mph.

    High: 20 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -1. West wind 5 to 7 mph becoming light and variable after midnight.

    Low: -1 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 14. North northwest wind 3 to 6 mph.

    High: 14 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -5. North wind 3 to 7 mph.

    Low: -5 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 11.

    High: 11 °F

    Mostly Sunny

Detailed Forecast

Overnight
Patchy blowing snow. Partly cloudy, with a steady temperature around 11. Wind chill values between -3 and -8. Southwest wind 16 to 18 mph, with gusts as high as 26 mph.
Tuesday
Patchy blowing snow before noon. Mostly sunny, with a high near 20. Wind chill values between -5 and 4. West northwest wind 10 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around -7. Wind chill values between -10 and -20. West northwest wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 20. Wind chill values between -9 and -19. West wind 6 to 11 mph, with gusts as high as 17 mph.
Wednesday Night
Partly cloudy, with a low around -1. West wind 5 to 7 mph becoming light and variable after midnight.
Thursday
Mostly cloudy, with a high near 14. North northwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around -5. North wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 11.
Friday Night
Partly cloudy, with a low around -2.
Saturday
Mostly sunny, with a high near 17.
Saturday Night
Partly cloudy, with a low around 0.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
Mostly cloudy, with a low around 6.
Monday
Partly sunny, with a high near 26.
Basemap Options
Click map to change the forecast location
Loading map...
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:
3:36 am CST Jan 27, 2026
Forecast Valid:
3am CST Jan 27, 2026-6pm CST Feb 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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