News Headlines
Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Thunderstorm
74°F
23°C
| Humidity | 60% |
| Wind Speed | S 17 G 36 mph |
| Barometer | 29.69 in (1005.1 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 16 Jun 5:53 pm CDT |
Extended Forecast for
Charleston IL
Severe T-storm Watch June 16, 06:55pm until June 16, 10:00pm
Wind Advisory June 17, 01:00pm until June 17, 07:00pm
NOW until 10:00pm Tue
Severe T-storm Watch
Tonight
Low: 56 °F
Severe
Thunderstorms
then Mostly
ClearWednesday
High: 85 °F
Chance
Showers then
Chance
T-storms and
BreezyWednesday Night
Low: 66 °F
Heavy Rain
and Breezy
then Slight
Chance
T-stormsThursday

High: 76 °F
Mostly Sunny
Thursday Night

Low: 57 °F
Partly Cloudy
Juneteenth

High: 77 °F
Sunny
Friday Night

Low: 58 °F
Mostly Clear
Saturday

High: 81 °F
Sunny
Detailed Forecast
Tonight
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Some of the storms could be severe. Partly cloudy, with a low around 56. West wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Wednesday
A 50 percent chance of showers and thunderstorms after 10am. Partly sunny, with a high near 85. Breezy, with a south southeast wind 5 to 10 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 45 mph.
Wednesday Night
Showers and thunderstorms, mainly before midnight. Some of the storms could produce heavy rainfall. Low around 66. Breezy, with a west southwest wind 19 to 24 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Thursday
Mostly sunny, with a high near 76. West wind around 11 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 57. Northwest wind 3 to 7 mph.
Juneteenth
Sunny, with a high near 77. Northwest wind 5 to 9 mph, with gusts as high as 16 mph.
Friday Night
Mostly clear, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64.
Monday
A chance of showers. Partly sunny, with a high near 78.
Monday Night
Mostly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 79.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Charleston IL
39.5°N 88.19°W (Elev. 650 ft)
39.5°N 88.19°W (Elev. 650 ft)
6:26 pm CDT Jun 16, 2026
6pm CDT Jun 16, 2026-6pm CDT Jun 23, 2026



