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

73°F

23°C

Humidity 87%
Wind Speed SW 8 mph
Barometer 29.98 in (1014.9 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 25 Jun 10:54 am CDT
Extended Forecast for

2 Miles E Elwin IL

Flood Watch June 25, 04:00pm until June 27, 01:00pm
Click here for hazard details and duration
Flood Watch

  • Today

    Today: Mostly cloudy, with a high near 80. West northwest wind 5 to 7 mph.

    High: 80 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 64. Calm wind becoming east southeast around 5 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. High near 74. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 74 °F

    Heavy Rain

  • Friday Night

    Friday Night: A 50 percent chance of showers before 11pm. Mostly cloudy, with a low around 63. North wind 5 to 10 mph.

    Low: 63 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 80. North wind around 5 mph becoming east southeast in the afternoon.

    High: 80 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. East southeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Partly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 88. South southeast wind 8 to 13 mph, with gusts as high as 18 mph.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 80. West northwest wind 5 to 7 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 64. Calm wind becoming east southeast around 5 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. High near 74. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
A 50 percent chance of showers before 11pm. Mostly cloudy, with a low around 63. North wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 80. North wind around 5 mph becoming east southeast in the afternoon.
Saturday Night
Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. East southeast wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 88. South southeast wind 8 to 13 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Clear, with a low around 73.
Wednesday
Sunny, with a high near 93.
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:
11:16 am CDT Jun 25, 2026
Forecast Valid:
11am CDT Jun 25, 2026-6pm CDT Jul 1, 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