Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Charleston IL
Wind Advisory December 28, 03:00pm until December 29, 06:00pm
Overnight

Low: 61 °F
Chance Rain
and Patchy
FogSunday
High: 67 °F
Chance
T-storms then
Rain and
BreezySunday Night
Low: 16 °F
Breezy.
Rain/Sleet
Likely then
Chance
FlurriesMonday

High: 25 °F
Partly Sunny
and BreezyMonday Night

Low: 13 °F
Partly Cloudy
Tuesday

High: 27 °F
Mostly Sunny
Tuesday Night

Low: 22 °F
Partly Cloudy
Wednesday

High: 37 °F
Partly Sunny
Wednesday Night

Low: 22 °F
Mostly Cloudy
Detailed Forecast
Overnight
A 30 percent chance of rain, mainly after 5am. Patchy fog before 3am. Otherwise, cloudy, with a steady temperature around 61. South southwest wind around 11 mph, with gusts as high as 21 mph.
Sunday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 2pm. High near 67. Breezy, with a south southwest wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain and sleet likely before 11pm, then a chance of flurries after midnight. Mostly cloudy, with a low around 16. Wind chill values between zero and 10. Breezy, with a west wind 25 to 29 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. Little or no sleet accumulation expected.
Monday
Partly sunny, with a high near 25. Wind chill values between -1 and 8. Breezy, with a west northwest wind 23 to 29 mph, with gusts as high as 44 mph.
Monday Night
Partly cloudy, with a low around 13. Northwest wind 13 to 18 mph, with gusts as high as 29 mph.
Tuesday
Mostly sunny, with a high near 27. West northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 22. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Wednesday
Partly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 22.
New Year's Day
Mostly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 13.
Friday
Mostly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 42.
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)
11:17 pm CST Dec 27, 2025
12am CST Dec 28, 2025-6pm CST Jan 3, 2026



