Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
53°F
12°C
| Humidity | 86% |
| Wind Speed | SE 7 mph |
| Barometer | 29.91 in (1012.7 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 51°F (11°C) |
| Last update | 7 May 7:54 pm CDT |
Extended Forecast for
Bement IL
Tonight
Low: 46 °F
Slight Chance
Showers then
Partly CloudyFriday
High: 68 °F
Slight Chance
Showers then
Showers
LikelyFriday Night
Low: 49 °F
Chance
Showers then
Mostly CloudySaturday
High: 77 °F
Mostly Sunny
then Sunny
and BreezySaturday Night
Low: 52 °F
Partly Cloudy
then Chance
ShowersSunday
High: 66 °F
Mostly Sunny
Sunday Night
Low: 43 °F
Mostly Clear
Monday
High: 67 °F
Sunny
Monday Night
Low: 45 °F
Partly Cloudy
Detailed Forecast
Tonight
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 46. South southwest wind 7 to 10 mph, with gusts as high as 17 mph.
Friday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 68. South southwest wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers before 10pm. Mostly cloudy, with a low around 49. South southwest wind 6 to 10 mph.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 77. Breezy, with a west southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.
Saturday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 52. West southwest wind 8 to 10 mph becoming north after midnight. Winds could gust as high as 15 mph.
Sunday
Mostly sunny, with a high near 66. North northwest wind 8 to 13 mph, with gusts as high as 16 mph.
Sunday Night
Mostly clear, with a low around 43. North wind 5 to 10 mph.
Monday
Sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 69. Breezy.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Mostly sunny, with a high near 76.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Bement IL
39.92°N 88.56°W (Elev. 676 ft)
39.92°N 88.56°W (Elev. 676 ft)
7:36 pm CDT May 7, 2026
8pm CDT May 7, 2026-6pm CDT May 14, 2026
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