Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
81°F
27°C
| Humidity | 49% |
| Wind Speed | E 8 mph |
| Barometer | 29.99 in (1015.2 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 26 May 2:54 pm CDT |
Extended Forecast for
3 Miles WSW Forsyth IL
This Afternoon

High: 82 °F
Mostly Cloudy
Tonight
Low: 62 °F
Mostly Cloudy
then Slight
Chance
ShowersWednesday

High: 82 °F
Slight Chance
ShowersWednesday Night

Low: 59 °F
Partly Cloudy
Thursday

High: 83 °F
Mostly Sunny
Thursday Night

Low: 57 °F
Partly Cloudy
Friday

High: 79 °F
Mostly Sunny
Friday Night

Low: 58 °F
Partly Cloudy
Saturday

High: 81 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Mostly cloudy, with a high near 82. East wind around 7 mph.
Tonight
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 62. East southeast wind around 6 mph becoming light and variable.
Wednesday
A 20 percent chance of showers between 1pm and 3pm. Mostly sunny, with a high near 82. North northeast wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 59. Northeast wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 83. Northeast wind 9 to 13 mph, with gusts as high as 17 mph.
Thursday Night
Partly cloudy, with a low around 57. East northeast wind around 10 mph, with gusts as high as 16 mph.
Friday
Mostly sunny, with a high near 79. East wind around 9 mph.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 79.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
3 Miles WSW Forsyth IL
39.89°N 89.02°W (Elev. 656 ft)
39.89°N 89.02°W (Elev. 656 ft)
1:26 pm CDT May 26, 2026
3pm CDT May 26, 2026-6pm CDT Jun 1, 2026



