Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Light Snow Fog/Mist
26°F
-3°C
| Humidity | 92% |
| Wind Speed | E 5 mph |
| Barometer | 30.19 in (1023.2 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | 0.75 mi |
| Wind Chill | 20°F (-7°C) |
| Last update | 1 Dec 2:53 pm CST |
Extended Forecast for
Janesville IL
Winter Weather Advisory until December 2, 06:00am
NOW until 6:00am Tue

Winter Weather Advisory
This Afternoon

High: 29 °F
Snow
Tonight

Low: 17 °F
Snow
Tuesday

High: 23 °F
Mostly Cloudy
Tuesday Night

Low: 15 °F
Partly Cloudy
Wednesday

High: 34 °F
Partly Sunny
Wednesday Night

Low: 8 °F
Mostly Cloudy
Thursday

High: 16 °F
Sunny
Thursday Night

Low: 2 °F
Partly Cloudy
Detailed Forecast
This Afternoon
Snow. High near 29. Light east wind. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow, mainly before 1am. Low around 17. Calm wind becoming northwest 5 to 8 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Mostly cloudy, with a high near 23. Northwest wind 5 to 8 mph becoming calm in the afternoon.
Tuesday Night
Partly cloudy, with a low around 15. Calm wind becoming south 5 to 7 mph after midnight.
Wednesday
Partly sunny, with a high near 34. South wind 6 to 10 mph, with gusts as high as 17 mph.
Wednesday Night
Mostly cloudy, with a low around 8. West southwest wind 6 to 11 mph becoming north northwest after midnight. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 16. North northwest wind 5 to 10 mph becoming light north in the afternoon. Winds could gust as high as 17 mph.
Thursday Night
Partly cloudy, with a low around 2.
Friday
Mostly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Mostly cloudy, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Mostly cloudy, with a high near 32.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Janesville IL
39.37°N 88.25°W (Elev. 669 ft)
39.37°N 88.25°W (Elev. 669 ft)
2:52 pm CST Dec 1, 2025
3pm CST Dec 1, 2025-6pm CST Dec 7, 2025



