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Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Mostly Cloudy
75°F
24°C
| Humidity | 90% |
| Wind Speed | S 7 mph |
| Barometer | 29.96 in (1013.9 mb) |
| Dewpoint | 72°F (22°C) |
| Visibility | 8.00 mi |
| Last update | 8 Jun 7:54 am CDT |
Extended Forecast for
Forsyth IL
Flood Watch until June 9, 01:00am
NOW until 1:00am Tue
Flood Watch
Today
High: 82 °F
Showers then
T-stormsTonight
Low: 70 °F
T-storms
LikelyTuesday
High: 88 °F
Slight Chance
T-stormsTuesday Night
Low: 71 °F
Chance
T-stormsWednesday
High: 92 °F
Sunny then
Sunny and
BreezyWednesday Night
Low: 71 °F
Chance
T-storms and
Breezy then
Showers
LikelyThursday
High: 89 °F
Chance
T-storms then
T-storms
Likely and
BreezyThursday Night
Low: 66 °F
Showers
Likely
Detailed Forecast
Today
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9am. High near 82. South southeast wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tonight
Showers and thunderstorms likely before 7pm, then showers likely and possibly a thunderstorm between 7pm and 11pm, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 70. South wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 88. West southwest wind 7 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 71. South southwest wind 7 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 40%.
Wednesday
Sunny, with a high near 92. Breezy, with a south southwest wind 11 to 20 mph, with gusts as high as 26 mph.
Wednesday Night
A chance of showers and thunderstorms, then showers likely after 1am. Partly cloudy, with a low around 71. Breezy, with a south wind 14 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 89. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Friday
Sunny, with a high near 86.
Friday Night
A 30 percent chance of showers after 1am. Mostly clear, with a low around 64.
Saturday
A chance of showers. Mostly sunny, with a high near 85.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Forsyth IL
39.93°N 88.96°W (Elev. 650 ft)
39.93°N 88.96°W (Elev. 650 ft)
7:35 am CDT Jun 8, 2026
8am CDT Jun 8, 2026-6pm CDT Jun 14, 2026
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