Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fog/Mist
46°F
8°C
| Humidity | 93% |
| Wind Speed | E 17 mph |
| Barometer | 29.94 in (1014.1 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 5.00 mi |
| Wind Chill | 39°F (4°C) |
| Last update | 2 Apr 12:54 am CDT |
Extended Forecast for
Forsyth IL
Wind Advisory April 2, 10:00am until April 2, 06:00pm
Overnight

Low: 46 °F
Showers
LikelyThursday
High: 74 °F
Breezy.
Chance
Showers then
Showers
LikelyThursday Night
Low: 59 °F
Chance
T-storms and
Breezy then
Chance
ShowersFriday
High: 78 °F
Partly Sunny
then Chance
T-stormsFriday Night
Low: 58 °F
Showers
Likely then
ShowersSaturday

High: 62 °F
Showers
Likely and
BreezySaturday Night
Low: 36 °F
Mostly Cloudy
and Breezy
then Partly
CloudySunday

High: 52 °F
Mostly Sunny
and BreezySunday Night

Low: 35 °F
Mostly Clear
Detailed Forecast
Overnight
Showers likely and possibly a thunderstorm before 5am, then a chance of showers and thunderstorms after 5am. Cloudy, with a low around 46. East southeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. Cloudy, with a high near 74. Breezy, with a south wind 17 to 22 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Breezy, with a south wind 20 to 25 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 50%.
Friday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. South wind 8 to 16 mph, with gusts as high as 23 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 58. South wind 14 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 62. Breezy, with a south southwest wind 14 to 20 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Mostly cloudy, with a low around 36. Breezy, with a west wind 16 to 20 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 52. Breezy.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
Mostly sunny, with a high near 63.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Forsyth IL
39.93°N 88.96°W (Elev. 650 ft)
39.93°N 88.96°W (Elev. 650 ft)
12:32 am CDT Apr 2, 2026
1am CDT Apr 2, 2026-6pm CDT Apr 8, 2026



