Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
75°F
24°C
| Humidity | 46% |
| Wind Speed | SE 9 mph |
| Barometer | 29.93 in (1013.3 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 26 Apr 2:53 pm CDT |
Extended Forecast for
Charleston IL
This Afternoon

High: 77 °F
Mostly Sunny
Tonight

Low: 57 °F
Partly Cloudy
Monday

High: 77 °F
Severe
Thunderstorms
and BreezyMonday Night
Low: 55 °F
Severe
Thunderstorms
and Breezy
then ShowersTuesday

High: 68 °F
Mostly Sunny
Tuesday Night

Low: 51 °F
Showers
LikelyWednesday

High: 63 °F
Mostly Sunny
Wednesday Night

Low: 42 °F
Mostly Clear
Thursday

High: 64 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 77. East southeast wind around 9 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 57. East southeast wind 8 to 11 mph, with gusts as high as 22 mph.
Monday
Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. Mostly cloudy, with a high near 77. Breezy, with a south southeast wind 13 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and thunderstorms before 10pm, then showers between 10pm and 1am. Some of the storms could be severe. Low around 55. Breezy, with a south southeast wind 17 to 22 mph becoming west southwest 10 to 15 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday
Mostly sunny, with a high near 68. West wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Light and variable wind becoming north 5 to 8 mph in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Mostly sunny, with a high near 63. North wind 9 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Partly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Sunny, with a high near 63.
Additional Forecasts and Information
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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)
1:26 pm CDT Apr 26, 2026
3pm CDT Apr 26, 2026-6pm CDT May 2, 2026


