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Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
15°F
-9°C
| Humidity | 64% |
| Wind Speed | W 5 mph |
| Barometer | 30.26 in (1026.2 mb) |
| Dewpoint | 5°F (-15°C) |
| Visibility | 10.00 mi |
| Wind Chill | 7°F (-14°C) |
| Last update | 28 Jan 8:53 pm CST |
Extended Forecast for
Charleston IL
Tonight

Low: -2 °F
Increasing
CloudsThursday

High: 16 °F
Chance
FlurriesThursday Night

Low: 1 °F
Slight Chance
SnowFriday

High: 14 °F
Mostly Sunny
Friday Night

Low: 0 °F
Partly Cloudy
Saturday

High: 17 °F
Partly Sunny
Saturday Night

Low: 2 °F
Partly Cloudy
Sunday

High: 21 °F
Mostly Sunny
Sunday Night

Low: 9 °F
Mostly Cloudy
Detailed Forecast
Tonight
Increasing clouds, with a low around -2. Wind chill values between -5 and -10. West wind around 6 mph becoming light and variable after midnight.
Thursday
A chance of flurries after noon. Mostly cloudy, with a high near 16. Wind chill values between -9 and 1. North wind 3 to 6 mph.
Thursday Night
A 20 percent chance of snow. Cloudy, then gradually becoming partly cloudy, with a low around 1. Wind chill values between -3 and -8. North wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 14. Wind chill values between -9 and 1. North wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 0. North wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 17. North northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 2. Northwest wind 5 to 7 mph, with gusts as high as 15 mph.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
Mostly cloudy, with a low around 9.
Monday
Mostly cloudy, with a high near 28.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Mostly cloudy, with a high near 30.
Tuesday Night
A chance of snow. Cloudy, with a low around 21.
Wednesday
A chance of snow. Mostly cloudy, with a high near 31.
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)
9:37 pm CST Jan 28, 2026
9pm CST Jan 28, 2026-6pm CST Feb 4, 2026



