Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
32°F
0°C
| Humidity | 79% |
| Wind Speed | W 6 mph |
| Barometer | 30.25 in (1025.1 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 26°F (-3°C) |
| Last update | 12 Mar 5:54 am CDT |
Extended Forecast for
3 Miles N Blue Mound IL
Wind Advisory March 12, 10:00pm until March 13, 01:00pm
Today

High: 51 °F
Sunny
Tonight

Low: 41 °F
Mostly Cloudy
and BreezyFriday

High: 54 °F
Partly Sunny
and BreezyFriday Night

Low: 33 °F
Mostly Cloudy
Saturday

High: 55 °F
Mostly Cloudy
Saturday Night

Low: 48 °F
Cloudy
Sunday
High: 63 °F
Breezy. Rain
Likely then
RainSunday Night

Low: 20 °F
Rain/Snow
Likely and
WindyMonday

High: 26 °F
Mostly Cloudy
and Blustery
Detailed Forecast
Today
Sunny, with a high near 51. West wind 6 to 14 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 41. Breezy, with a south wind 14 to 19 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 40 mph.
Friday
Partly sunny, with a high near 54. Breezy, with a west northwest wind 20 to 25 mph, with gusts as high as 40 mph.
Friday Night
Mostly cloudy, with a low around 33. West northwest wind 6 to 10 mph becoming east northeast after midnight. Winds could gust as high as 21 mph.
Saturday
Mostly cloudy, with a high near 55. East southeast wind 8 to 14 mph, with gusts as high as 20 mph.
Saturday Night
Cloudy, with a low around 48. East southeast wind 13 to 17 mph, with gusts as high as 25 mph.
Sunday
Rain. High near 63. Breezy, with a south wind 18 to 28 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain and snow likely before 1am, then a chance of snow. Cloudy, with a low around 20. Windy. Chance of precipitation is 70%.
Monday
Mostly cloudy, with a high near 26. Blustery.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
Partly sunny, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Mostly cloudy, with a high near 49.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles N Blue Mound IL
39.74°N 89.12°W (Elev. 600 ft)
39.74°N 89.12°W (Elev. 600 ft)
6:37 am CDT Mar 12, 2026
6am CDT Mar 12, 2026-6pm CDT Mar 18, 2026



