Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair and Breezy
52°F
11°C
| Humidity | 35% |
| Wind Speed | NW 22 G 33 mph |
| Barometer | 30.06 in (1018.1 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 46°F (8°C) |
| Last update | 18 Apr 6:54 pm CDT |
Extended Forecast for
4 Miles N Forsyth IL
Frost Advisory April 19, 01:00am until April 19, 08:00am
Tonight
Low: 36 °F
Clear then
Patchy FrostSunday
High: 59 °F
Patchy Frost
then Mostly
Sunny and
BreezySunday Night
Low: 32 °F
Mostly Clear
then Areas
FrostMonday
High: 60 °F
Areas Frost
then SunnyMonday Night
Low: 46 °F
Mostly Clear
Tuesday
High: 76 °F
Mostly Sunny
and BreezyTuesday Night
Low: 56 °F
Chance
ShowersWednesday
High: 78 °F
Mostly Sunny
Wednesday Night
Low: 58 °F
Mostly Clear
Detailed Forecast
Tonight
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. West southwest wind 7 to 15 mph, with gusts as high as 26 mph.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 59. Breezy, with a west southwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.
Sunday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 32. North northeast wind 5 to 15 mph, with gusts as high as 22 mph.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 60. Northeast wind 5 to 7 mph becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 46. South southeast wind 9 to 14 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 76. Breezy, with a southwest wind 14 to 23 mph, with gusts as high as 30 mph.
Tuesday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 56. Southwest wind 11 to 15 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 82. Breezy.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 61.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Breezy.
Friday Night
A chance of showers. Mostly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 65.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles N Forsyth IL
39.97°N 88.96°W (Elev. 679 ft)
39.97°N 88.96°W (Elev. 679 ft)
7:36 pm CDT Apr 18, 2026
7pm CDT Apr 18, 2026-6pm CDT Apr 25, 2026
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