Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Thunderstorm in Vicinity Rain Fog/Mist
43°F
6°C
| Humidity | 97% |
| Wind Speed | E 13 mph |
| Barometer | 30.13 in (1020.7 mb) |
| Dewpoint | 42°F (6°C) |
| Visibility | 2.00 mi |
| Wind Chill | 36°F (2°C) |
| Last update | 3 Mar 9:54 pm CST |
Extended Forecast for
3 Miles WSW Forsyth IL
Tonight
Low: 41 °F
Rain and
Patchy FogWednesday
High: 54 °F
Chance Rain
and Patchy
Fog then RainWednesday Night
Low: 50 °F
Rain and
Patchy FogThursday
High: 64 °F
Rain Likely
then Chance
ShowersThursday Night
Low: 51 °F
Chance
Showers then
Showers
LikelyFriday
High: 76 °F
Breezy.
Showers
Likely then
Chance
ShowersFriday Night
Low: 56 °F
Chance
T-storms then
Showers and
BreezySaturday
High: 64 °F
Chance
Showers then
Partly SunnySaturday Night
Low: 39 °F
Mostly Clear
Detailed Forecast
Tonight
Rain and possibly a thunderstorm, mainly before 3am, then a chance of rain and thunderstorms after 3am. Patchy fog. Low around 41. East northeast wind around 9 mph, with gusts as high as 17 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 3pm. Patchy fog before noon. High near 54. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain and thunderstorms before 3am, then rain and possibly a thunderstorm, mainly after 3am. Patchy fog. Low around 50. East wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Rain likely before 9am, then showers likely, mainly between 9am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 64. South wind 7 to 13 mph becoming west in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Showers likely, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 51. West southwest wind 6 to 11 mph becoming southeast in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 76. Breezy, with a south wind 13 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 56. Breezy, with a south wind 16 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 50 percent chance of showers before noon. Mostly cloudy, with a high near 64.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 71.
Monday Night
A chance of showers. Mostly clear, with a low around 55.
Tuesday
Showers likely. Partly sunny, with a high near 72. Breezy.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
10:01 pm CST Mar 3, 2026
10pm CST Mar 3, 2026-6pm CDT Mar 10, 2026
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