Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
21°F
-6°C
| Humidity | 62% |
| Wind Speed | SW 14 mph |
| Barometer | 29.99 in (1016.6 mb) |
| Dewpoint | 10°F (-12°C) |
| Visibility | 8.00 mi |
| Wind Chill | 8°F (-13°C) |
| Last update | 18 Jan 6:54 pm CST |
Extended Forecast for
Bethany IL
Cold Weather Advisory January 19, 03:00am until January 19, 12:00pm
Tonight
Low: 5 °F
Slight Chance
Snow then
Mostly Cloudy
and BlusteryM.L.King Day

High: 14 °F
Mostly Sunny
and BlusteryMonday Night

Low: 7 °F
Increasing
CloudsTuesday

High: 28 °F
Mostly Sunny
Tuesday Night

Low: 21 °F
Mostly Cloudy
Wednesday

High: 39 °F
Decreasing
CloudsWednesday Night

Low: 17 °F
Partly Cloudy
Thursday

High: 28 °F
Mostly Sunny
Thursday Night

Low: 15 °F
Partly Cloudy
Detailed Forecast
Tonight
A chance of flurries with a slight chance of snow before 8pm, then a chance of flurries between 8pm and 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 5. Wind chill values between -1 and -11. Blustery, with a southwest wind 13 to 23 mph becoming west northwest after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 20%.
M.L.King Day
Mostly sunny, with a high near 14. Wind chill values between -6 and -16. Blustery, with a west northwest wind 13 to 22 mph, with gusts as high as 34 mph.
Monday Night
Increasing clouds, with a low around 7. Wind chill values between -3 and 2. West southwest wind 5 to 9 mph, with gusts as high as 15 mph.
Tuesday
Mostly sunny, with a high near 28. Wind chill values between -1 and 9. Southwest wind 6 to 10 mph, with gusts as high as 16 mph.
Tuesday Night
Mostly cloudy, with a low around 21. South wind 7 to 16 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 39. South southwest wind 9 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 17. West northwest wind 8 to 10 mph, with gusts as high as 16 mph.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Mostly cloudy, with a high near 30.
Friday Night
A chance of snow. Mostly cloudy, with a low around 10.
Saturday
A chance of snow. Mostly cloudy, with a high near 19.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 2.
Sunday
Partly sunny, with a high near 14.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Bethany IL
39.64°N 88.75°W (Elev. 650 ft)
39.64°N 88.75°W (Elev. 650 ft)
6:36 pm CST Jan 18, 2026
7pm CST Jan 18, 2026-6pm CST Jan 25, 2026



