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.

Overcast

61°F

16°C

Humidity 97%
Wind Speed E 12 mph
Barometer 30.02 in (1016.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 21 Sep 7:54 am CDT
Extended Forecast for

2 Miles NNW Elwin IL

  • Today

    Today: A 20 percent chance of showers before 10am. Cloudy, with a high near 68. Northeast wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 68 °F

    Slight Chance
    Showers then
    Cloudy

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 56. Northeast wind around 11 mph, with gusts as high as 17 mph.

    Low: 56 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 69. Northeast wind 11 to 13 mph, with gusts as high as 18 mph.

    High: 69 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. North northeast wind 7 to 11 mph, with gusts as high as 16 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. North northeast wind 9 to 13 mph, with gusts as high as 17 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Northeast wind 6 to 10 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72. Northeast wind 7 to 10 mph.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers before 10am. Cloudy, with a high near 68. Northeast wind 9 to 11 mph, with gusts as high as 21 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 56. Northeast wind around 11 mph, with gusts as high as 17 mph.
Tuesday
Partly sunny, with a high near 69. Northeast wind 11 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 52. North northeast wind 7 to 11 mph, with gusts as high as 16 mph.
Wednesday
Mostly sunny, with a high near 71. North northeast wind 9 to 13 mph, with gusts as high as 17 mph.
Wednesday Night
Partly cloudy, with a low around 52. Northeast wind 6 to 10 mph.
Thursday
Mostly sunny, with a high near 72. Northeast wind 7 to 10 mph.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Partly sunny, with a high near 73.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Elwin IL
 39.8°N 88.97°W (Elev. 699 ft)
Last Update:
4:46 am CDT Sep 21, 2026
Forecast Valid:
8am CDT Sep 21, 2026-6pm CDT Sep 27, 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