Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Overcast
54°F
12°C
| Humidity | 90% |
| Wind Speed | NE 9 mph |
| Barometer | 30.03 in (1016.9 mb) |
| Dewpoint | 51°F (11°C) |
| Visibility | 10.00 mi |
| Wind Chill | 51°F (11°C) |
| Last update | 1 Apr 2:53 pm CDT |
Extended Forecast for
Charleston IL
This Afternoon

High: 57 °F
Chance
T-stormsTonight
Low: 54 °F
Chance
T-storms then
Showers
LikelyThursday
High: 75 °F
Breezy.
Cloudy then
Showers
LikelyThursday Night
Low: 61 °F
Chance
T-storms and
Breezy then
Chance
ShowersFriday
High: 77 °F
Chance
Showers then
Showers
LikelyFriday Night
Low: 59 °F
Chance
T-storms then
ShowersSaturday

High: 65 °F
Showers
Saturday Night

Low: 37 °F
Mostly Cloudy
Sunday

High: 53 °F
Mostly Sunny
Detailed Forecast
This Afternoon
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 57. Northeast wind around 10 mph, with gusts as high as 15 mph.
Tonight
Showers and thunderstorms likely before 4am, then a slight chance of showers. Cloudy, with a low around 54. East northeast wind around 11 mph becoming southeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 75. Breezy, with a south wind 16 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61. Breezy, with a south southwest wind 13 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. South southwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 59. South wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and possibly a thunderstorm. High near 65. South southwest wind 13 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 53.
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)
1:48 pm CDT Apr 1, 2026
3pm CDT Apr 1, 2026-6pm CDT Apr 7, 2026



