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

50°F

10°C

Humidity 93%
Wind Speed N 6 mph
Barometer 29.95 in (1014.4 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 18 Nov 5:54 pm CST
Extended Forecast for

Bethany IL

  • Tonight

    Tonight: Cloudy, with a low around 42. North northeast wind around 6 mph.

    Low: 42 °F

    Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 53. Northeast wind around 6 mph becoming calm in the morning.

    High: 53 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of rain. Cloudy, with a high near 57. Calm wind becoming south 5 to 8 mph in the morning.

    High: 57 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Cloudy, with a low around 47. South wind around 5 mph becoming calm.

    Low: 47 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly after noon. Cloudy, with a high near 56. Northeast wind 5 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 40. Northeast wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain Likely
    then Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Cloudy, with a low around 42. North northeast wind around 6 mph.
Wednesday
Cloudy, with a high near 53. Northeast wind around 6 mph becoming calm in the morning.
Wednesday Night
Mostly cloudy, with a low around 41. Calm wind.
Thursday
A 50 percent chance of rain. Cloudy, with a high near 57. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
A 50 percent chance of rain. Cloudy, with a low around 47. South wind around 5 mph becoming calm.
Friday
Rain likely, mainly after noon. Cloudy, with a high near 56. Northeast wind 5 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 40. Northeast wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 59.
Monday Night
A chance of rain. Mostly cloudy, with a low around 39.
Tuesday
A chance of rain. Mostly cloudy, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bethany IL
 39.64°N 88.75°W (Elev. 650 ft)
Last Update:
5:36 pm CST Nov 18, 2025
Forecast Valid:
6pm CST Nov 18, 2025-6pm CST Nov 25, 2025
 
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