Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
64°F
18°C
| Humidity | 75% |
| Wind Speed | SW 15 mph |
| Barometer | 29.68 in (1004.8 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 4 May 11:54 am CDT |
Extended Forecast for
Blue Mound IL
Blowing Dust Advisory until May 4, 06:00pm
NOW until 6:00pm Mon

Blowing Dust Advisory
This Afternoon

High: 77 °F
Chance
T-storms and
BreezyTonight

Low: 52 °F
Showers
LikelyTuesday

High: 59 °F
Showers
LikelyTuesday Night

Low: 43 °F
Showers
LikelyWednesday

High: 56 °F
Partly Sunny
Wednesday Night

Low: 39 °F
Partly Cloudy
Thursday

High: 62 °F
Mostly Sunny
Thursday Night

Low: 45 °F
Mostly Clear
Detailed Forecast
This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Patchy blowing dust. Partly sunny, with a high near 77. Breezy, with a southwest wind 21 to 23 mph, with gusts as high as 31 mph.
Tonight
A chance of showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 52. South wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 59. North northeast wind 9 to 14 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 Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 43. North northeast wind 9 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Partly sunny, with a high near 56. North wind 8 to 10 mph, with gusts as high as 16 mph.
Wednesday Night
Partly cloudy, with a low around 39. North wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 62. West wind 5 to 13 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 45.
Friday
Mostly sunny, with a high near 68.
Friday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 47.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
A chance of showers. Partly sunny, with a high near 70.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Blue Mound IL
39.69°N 89.12°W (Elev. 614 ft)
39.69°N 89.12°W (Elev. 614 ft)
12:03 pm CDT May 4, 2026
12pm CDT May 4, 2026-6pm CDT May 10, 2026



