Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Light Rain
58°F
14°C
| Humidity | 84% |
| Wind Speed | S 13 G 22 mph |
| Barometer | 29.70 in (1005.6 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 4 May 9:53 am CDT |
Extended Forecast for
Sullivan IL
Blowing Dust Advisory May 4, 11:00am until May 4, 06:00pm
Today

High: 76 °F
Chance
T-storms and
BreezyTonight

Low: 52 °F
Showers
LikelyTuesday

High: 59 °F
Showers
Tuesday Night

Low: 43 °F
Showers
LikelyWednesday

High: 57 °F
Partly Sunny
Wednesday Night

Low: 40 °F
Mostly Cloudy
Thursday

High: 60 °F
Mostly Sunny
Thursday Night

Low: 43 °F
Mostly Clear
Friday

High: 65 °F
Mostly Sunny
Detailed Forecast
Today
A 30 percent chance of showers and thunderstorms, mainly after 11am. Patchy blowing dust after 11am. Mostly cloudy, with a high near 76. Breezy, with a south southwest wind 17 to 20 mph, with gusts as high as 30 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 52. South southwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 59. North northeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 43. North northeast wind 8 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Partly sunny, with a high near 57. North wind 8 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 40. North wind around 7 mph.
Thursday
Mostly sunny, with a high near 60. West northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 43.
Friday
Mostly sunny, with a high near 65.
Friday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 44.
Saturday
Sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
A chance of showers. Mostly sunny, with a high near 71.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sullivan IL
39.61°N 88.61°W (Elev. 669 ft)
39.61°N 88.61°W (Elev. 669 ft)
10:26 am CDT May 4, 2026
10am CDT May 4, 2026-6pm CDT May 10, 2026



