Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
49°F
9°C
| Humidity | 48% |
| Wind Speed | SE 13 mph |
| Barometer | 29.81 in (1009.7 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 14 Mar 11:53 pm CDT |
Extended Forecast for
Charleston IL
Wind Advisory March 15, 10:00am until March 16, 07:00am
Overnight

Low: 46 °F
Mostly Cloudy
Sunday
High: 66 °F
Slight Chance
Rain and
Breezy then
Rain Likely
and WindySunday Night
Low: 22 °F
Breezy. Rain
then Chance
Rain/SnowMonday

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: 24 °F
Mostly Cloudy
then Chance
SnowWednesday

High: 55 °F
Mostly Sunny
Wednesday Night

Low: 35 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 46. South southeast wind 13 to 15 mph, with gusts as high as 24 mph.
Sunday
A slight chance of rain before 1pm, then a chance of rain and thunderstorms between 1pm and 5pm, then rain likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 66. Windy, with a south wind 18 to 23 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 49 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 before midnight, then a chance of rain and snow between midnight and 1am, then a chance of snow after 1am. Some thunder is also possible. Low around 22. Breezy, with a southwest wind 22 to 24 mph, with gusts as high as 43 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 24 to 26 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 20 mph.
Tuesday Night
A 50 percent chance of snow after 1am. Mostly cloudy, with a low around 24. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 67.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 71.
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)
12:06 am CDT Mar 15, 2026
12am CDT Mar 15, 2026-6pm CDT Mar 21, 2026



