Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Thunderstorm in Vicinity Light Rain Fog/Mist
53°F
12°C
| Humidity | 100% |
| Wind Speed | S 5 mph |
| Barometer | 29.96 in (1014.5 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 2.00 mi |
| Wind Chill | 52°F (11°C) |
| Last update | 4 Mar 11:53 pm CST |
Extended Forecast for
Charleston IL
Dense Fog Advisory March 5, 12:40am until March 5, 06:00am
NOW until 6:00am Thu
Dense Fog Advisory
Overnight
Low: 53 °F
Showers and
Dense FogThursday
High: 64 °F
Rain and
Areas Fog
then Chance
RainThursday Night
Low: 53 °F
Mostly Cloudy
then Chance
RainFriday
High: 74 °F
Breezy.
Chance Rain
then Partly
SunnyFriday Night
Low: 60 °F
Mostly Cloudy
then RainSaturday
High: 68 °F
Rain Likely
then Mostly
CloudySaturday Night
Low: 39 °F
Partly Cloudy
Sunday
High: 60 °F
Sunny
Detailed Forecast
Overnight
Showers and possibly a thunderstorm. Widespread dense fog. Low around 53. Southeast wind 3 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain and possibly a thunderstorm before 2pm, then a chance of rain between 2pm and 3pm. Areas of fog before 11am. High near 64. South southwest wind 6 to 9 mph becoming west in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 50 percent chance of rain and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 53. Calm wind becoming south southeast 5 to 8 mph after midnight.
Friday
A 40 percent chance of rain before noon. Partly sunny, with a high near 74. Breezy, with a south wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph.
Friday Night
Rain and possibly a thunderstorm after midnight. Low around 60. South wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Rain likely before noon. Mostly cloudy, with a high near 68. South southwest wind 11 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Partly cloudy, with a low around 39. West northwest wind 5 to 9 mph becoming light after midnight. Winds could gust as high as 17 mph.
Sunday
Sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 71.
Monday Night
A chance of rain and thunderstorms. Partly cloudy, with a low around 57.
Tuesday
Rain. Cloudy, with a high near 72.
Tuesday Night
Rain. Cloudy, with a low around 51. Breezy.
Wednesday
Rain. Cloudy, with a high near 60. 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)
12:26 am CST Mar 5, 2026
12am CST Mar 5, 2026-6pm CDT Mar 11, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
