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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.
Partly Cloudy
72°F
22°C
| Humidity | 61% |
| Wind Speed | E 15 G 22 mph |
| Barometer | 29.89 in (1011.7 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 21 Jun 9:53 am CDT |
Extended Forecast for
4 Miles ENE Sullivan IL
Flood Watch until June 22, 01:00am
NOW until 1:00am Mon
Flood Watch
Today
High: 76 °F
Mostly Cloudy
then Heavy
RainTonight
Low: 60 °F
Heavy Rain
then Chance
ShowersMonday
High: 73 °F
Slight Chance
Showers then
Mostly CloudyMonday Night
Low: 54 °F
Partly Cloudy
Tuesday
High: 77 °F
Sunny
Tuesday Night
Low: 57 °F
Mostly Clear
Wednesday
High: 79 °F
Mostly Sunny
Wednesday Night
Low: 60 °F
Partly Cloudy
Detailed Forecast
Today
Showers and thunderstorms, mainly after 1pm. Some of the storms could produce heavy rainfall. High near 76. Southeast wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tonight
Showers and thunderstorms likely before 10pm, then a chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 60. South southwest wind 10 to 13 mph becoming west northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between three quarters and one inch possible.
Monday
A 20 percent chance of showers before 9am. Mostly cloudy, with a high near 73. North wind 11 to 13 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 54. North northeast wind 5 to 9 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 77. North northeast wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 57. Light and variable wind.
Wednesday
Mostly sunny, with a high near 79. Light and variable wind becoming southwest around 6 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 59.
Friday
Mostly sunny, with a high near 80.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles ENE Sullivan IL
39.61°N 88.52°W (Elev. 650 ft)
39.61°N 88.52°W (Elev. 650 ft)
9:16 am CDT Jun 21, 2026
10am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
Additional Resources
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