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.

Partly Cloudy

38°F

3°C

Humidity 73%
Wind Speed N 15 G 25 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 22 Mar 11:54 pm CDT
Extended Forecast for

2 Miles E Elwin IL

  • Overnight

    Overnight: Mostly clear, with a low around 31. North wind 14 to 18 mph, with gusts as high as 28 mph.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 50. North wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. East southeast wind around 8 mph.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. South southeast wind 7 to 9 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. Southeast wind around 7 mph.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 70. South southwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 70 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 56. South southwest wind around 11 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain and thunderstorms after 1pm. Mostly sunny, with a high near 84.

    High: 84 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm before 1am, then a chance of rain. Mostly cloudy, with a low around 36. Breezy. Chance of precipitation is 70%.

    Low: 36 °F

    Rain Likely
    and Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 31. North wind 14 to 18 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 50. North wind 10 to 13 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 32. East southeast wind around 8 mph.
Tuesday
Mostly sunny, with a high near 57. South southeast wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 39. Southeast wind around 7 mph.
Wednesday
Partly sunny, with a high near 70. South southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 56. South southwest wind around 11 mph, with gusts as high as 18 mph.
Thursday
A 30 percent chance of rain and thunderstorms after 1pm. Mostly sunny, with a high near 84.
Thursday Night
Rain likely and possibly a thunderstorm before 1am, then a chance of rain. Mostly cloudy, with a low around 36. Breezy. Chance of precipitation is 70%.
Friday
A chance of rain and snow before 1pm. Partly sunny, with a high near 47. Breezy. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 60.
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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:
11:36 pm CDT Mar 22, 2026
Forecast Valid:
12am CDT Mar 23, 2026-6pm CDT Mar 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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