Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fog
53°F
12°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 30.00 in (1015.9 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 0.15 mi |
| Last update | 4 Mar 8:53 pm CST |
Extended Forecast for
Charleston IL
Dense Fog Advisory March 4, 09:35pm until March 5, 06:00am
NOW until 6:00am Thu
Dense Fog Advisory
Tonight
Low: 53 °F
Showers and
Patchy Dense
FogThursday
High: 66 °F
Showers
Likely and
Patchy Fog
then Chance
ShowersThursday Night
Low: 53 °F
Chance
Showers then
Showers
LikelyFriday
High: 75 °F
Chance
T-storms then
Partly Sunny
and BreezyFriday Night
Low: 57 °F
Chance
Showers then
ShowersSaturday
High: 65 °F
Showers
Likely then
Mostly CloudySaturday Night
Low: 39 °F
Mostly Cloudy
Sunday
High: 60 °F
Sunny
Detailed Forecast
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Patchy dense fog. Low around 53. South wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers likely and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 3pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 66. South wind 6 to 11 mph becoming west in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 53. Light and variable wind becoming south southeast 5 to 7 mph after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and noon. Partly sunny, with a high near 75. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers, then showers and possibly a thunderstorm after midnight. Low around 57. South wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely before noon. Mostly cloudy, with a high near 65. Southwest wind 9 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Mostly cloudy, with a low around 39. Northwest wind 3 to 7 mph. Winds could gust as high as 15 mph.
Sunday
Sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 72.
Monday Night
A chance of rain and thunderstorms. Partly cloudy, with a low around 58.
Tuesday
Rain likely. Mostly cloudy, with a high near 73. Breezy.
Tuesday Night
Rain. Cloudy, with a low around 47.
Wednesday
Rain likely. Mostly cloudy, with a high near 56. Breezy.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Charleston IL
39.5°N 88.19°W (Elev. 650 ft)
39.5°N 88.19°W (Elev. 650 ft)
9:26 pm CST Mar 4, 2026
9pm CST Mar 4, 2026-6pm CDT Mar 11, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
