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Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Heavy Rain
67°F
19°C
Humidity | 76% |
Wind Speed | S 15 G 24 mph |
Barometer | 29.85 in (1010.5 mb) |
Dewpoint | 59°F (15°C) |
Visibility | 3.00 mi |
Last update | 20 Apr 10:53 pm CDT |
Extended Forecast for
Sullivan IL
Tonight
Low: 52 °F
T-storms
Monday
High: 64 °F
Clearing Late
Monday Night
Low: 46 °F
Mostly Clear
Tuesday
High: 74 °F
Sunny
Tuesday Night
Low: 51 °F
Mostly Clear
Wednesday
High: 78 °F
Mostly Sunny
Wednesday Night
Low: 56 °F
Mostly Cloudy
Thursday
High: 78 °F
Chance
ShowersThursday Night
Low: 59 °F
Showers
Likely
Detailed Forecast
Tonight
Showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Low around 52. South wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Cloudy, then gradual clearing during the afternoon, with a high near 64. West wind 14 to 17 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 46. West wind 5 to 7 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.
Tuesday
Sunny, with a high near 74. Southeast wind 5 to 9 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 51. South wind around 6 mph.
Wednesday
Mostly sunny, with a high near 78. South wind 5 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 56. East southeast wind around 6 mph.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 78.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Friday
Showers. High near 75. Chance of precipitation is 80%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 68.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sullivan IL
39.59°N 88.61°W (Elev. 669 ft)
39.59°N 88.61°W (Elev. 669 ft)
11:43 pm CDT Apr 20, 2025
11pm CDT Apr 20, 2025-6pm CDT Apr 27, 2025