Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Mostly Cloudy and Windy
73°F
23°C
| Humidity | 66% |
| Wind Speed | S 30 G 52 mph |
| Barometer | 29.78 in (1008.2 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 2 Apr 12:54 pm CDT |
Extended Forecast for
Decatur IL
Wind Advisory April 2, 12:58pm until April 2, 07:00pm
NOW until 7:00pm Thu
Wind Advisory
This Afternoon
High: 74 °F
Showers and
BreezyTonight
Low: 56 °F
Showers
Likely and
Breezy then
Chance
T-stormsFriday
High: 77 °F
Partly Sunny
then Chance
T-stormsFriday Night
Low: 55 °F
T-storms
Saturday
High: 64 °F⇓
Showers
LikelySaturday Night
Low: 37 °F
Decreasing
CloudsSunday
High: 53 °F
Mostly Sunny
Sunday Night
Low: 37 °F
Mostly Clear
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 74. Breezy, with a south wind around 26 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 56. Breezy, with a south wind 19 to 24 mph becoming west 7 to 12 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. South wind 6 to 14 mph, with gusts as high as 23 mph.
Friday Night
Showers likely and possibly a thunderstorm before 10pm, then showers and thunderstorms likely between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 55. South wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers likely, mainly before 1pm. Mostly cloudy, with a temperature falling to around 53 by 5pm. West wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. West northwest wind 11 to 15 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 53. West northwest wind 11 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 64.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Decatur IL
39.84°N 88.91°W (Elev. 620 ft)
39.84°N 88.91°W (Elev. 620 ft)
11:47 am CDT Apr 2, 2026
12pm CDT Apr 2, 2026-6pm CDT Apr 8, 2026
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