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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.
Thunderstorm in Vicinity Light Rain
66°F
19°C
| Humidity | 96% |
| Wind Speed | S 5 mph |
| Barometer | 29.96 in (1014.0 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 8.00 mi |
| Last update | 25 Jun 4:53 am CDT |
Extended Forecast for
Sullivan IL
Flood Watch June 25, 04:00pm until June 27, 01:00pm
Today
High: 81 °F
Mostly Cloudy
then Slight
Chance
T-stormsTonight
Low: 64 °F
Chance
T-storms then
Showers
LikelyFriday
High: 76 °F
Showers
Friday Night
Low: 64 °F
Showers
LikelySaturday
High: 82 °F
Mostly Cloudy
Saturday Night
Low: 68 °F
Chance
T-stormsSunday
High: 90 °F
Mostly Sunny
Sunday Night
Low: 72 °F
Mostly Clear
Monday
High: 92 °F
Sunny
Detailed Forecast
Today
A 20 percent chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 81. West southwest wind 3 to 6 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 64. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and possibly a thunderstorm. High near 76. Southeast wind 7 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. East southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Mostly cloudy, with a high near 82. North wind around 5 mph becoming light and variable in the afternoon.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. South southeast wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 90. South southwest wind 7 to 11 mph, with gusts as high as 17 mph.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny, with a high near 94.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sullivan IL
39.59°N 88.61°W (Elev. 669 ft)
39.59°N 88.61°W (Elev. 669 ft)
4:36 am CDT Jun 25, 2026
5am CDT Jun 25, 2026-6pm CDT Jul 1, 2026
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