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

46°F

8°C

Humidity 56%
Wind Speed SW 3 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 2 May 9:54 pm CDT
Extended Forecast for

2 Miles E Elwin IL

  • Tonight

    Tonight: Mostly clear, with a low around 39. South southwest wind 3 to 7 mph. Winds could gust as high as 15 mph.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers before 3pm, then a slight chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 68. Breezy, with a south southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 20%.

    High: 68 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers. Partly cloudy, with a low around 50. Southwest wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 50 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. Southwest wind 8 to 18 mph, with gusts as high as 28 mph.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. South southwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 63. South wind 10 to 14 mph becoming north in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 63 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 42. North wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers. Partly sunny, with a high near 56.

    High: 56 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 39. South southwest wind 3 to 7 mph. Winds could gust as high as 15 mph.
Sunday
A slight chance of showers before 3pm, then a slight chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 68. Breezy, with a south southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers. Partly cloudy, with a low around 50. Southwest wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. Southwest wind 8 to 18 mph, with gusts as high as 28 mph.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 56. South southwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 63. South wind 10 to 14 mph becoming north in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 42. North wind 9 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 56.
Wednesday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 41.
Thursday
Partly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Elwin IL
 39.8°N 88.91°W (Elev. 656 ft)
Last Update:
10:36 pm CDT May 2, 2026
Forecast Valid:
10pm CDT May 2, 2026-6pm CDT May 9, 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