Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Mostly Cloudy and Breezy
74°F
23°C
| Humidity | 45% |
| Wind Speed | S 24 G 39 mph |
| Barometer | 29.59 in (1001.7 mb) |
| Dewpoint | 51°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 4 May 5:54 pm CDT |
Extended Forecast for
Bethany IL
Blowing Dust Advisory May 4, 06:25pm until May 4, 07:00pm
NOW until 7:00pm Mon
Blowing Dust Advisory
Tonight
Low: 54 °F
T-storms
Likely then
Showers
LikelyTuesday

High: 57 °F
Showers
LikelyTuesday Night

Low: 43 °F
Showers
LikelyWednesday

High: 56 °F
Partly Sunny
Wednesday Night

Low: 39 °F
Partly Cloudy
Thursday

High: 60 °F
Mostly Sunny
Thursday Night

Low: 44 °F
Mostly Clear
Friday

High: 67 °F
Mostly Sunny
Detailed Forecast
Tonight
Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 54. South southwest wind 7 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then showers likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 57. North northeast wind 8 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 43. North northeast wind 9 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Partly sunny, with a high near 56. North wind 8 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 39. North wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 60. West wind 5 to 11 mph, with gusts as high as 17 mph.
Thursday Night
Mostly clear, with a low around 44. South southwest wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 67.
Friday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
A chance of showers. Partly sunny, with a high near 69.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 68.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
5:31 pm CDT May 4, 2026
6pm CDT May 4, 2026-6pm CDT May 11, 2026



