Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
56°F
13°C
| Humidity | 34% |
| Wind Speed | E 15 mph |
| Barometer | 29.97 in (1014.9 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Last update | 14 Mar 4:53 pm CDT |
Extended Forecast for
Charleston IL
Wind Advisory March 15, 10:00am until March 16, 07:00am
Tonight

Low: 46 °F
Mostly Cloudy
Sunday
High: 65 °F
Breezy.
Slight Chance
Showers then
Showers
LikelySunday Night

Low: 22 °F
Rain/Snow and
BreezyMonday

High: 27 °F
Chance Snow
and BlusteryMonday Night
Low: 12 °F
Mostly Cloudy
and Blustery
then Mostly
CloudyTuesday

High: 30 °F
Mostly Sunny
Tuesday Night
Low: 25 °F
Mostly Cloudy
then Chance
SnowWednesday

High: 54 °F
Mostly Sunny
Wednesday Night

Low: 35 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 46. East southeast wind 10 to 14 mph, with gusts as high as 26 mph.
Sunday
A chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 65. Breezy, with a south wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain showers before 11pm, then rain and snow showers between 11pm and 1am, then a chance of snow after 1am. Some thunder is also possible. Low around 22. Breezy, with a southwest wind around 23 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Monday
A 30 percent chance of snow before 1pm. Cloudy, with a high near 27. Blustery, with a west northwest wind 23 to 25 mph, with gusts as high as 45 mph.
Monday Night
Mostly cloudy, with a low around 12. Blustery, with a west northwest wind 14 to 20 mph, with gusts as high as 31 mph.
Tuesday
Mostly sunny, with a high near 30. West northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday Night
A 50 percent chance of snow after 1am. Mostly cloudy, with a low around 25. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 70.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Charleston IL
39.48°N 88.19°W (Elev. 650 ft)
39.48°N 88.19°W (Elev. 650 ft)
4:36 pm CDT Mar 14, 2026
5pm CDT Mar 14, 2026-6pm CDT Mar 21, 2026



