Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Overcast
19°F
-7°C
| Humidity | 96% |
| Wind Speed | W 3 mph |
| Barometer | 30.44 in (1031.9 mb) |
| Dewpoint | 18°F (-8°C) |
| Visibility | 10.00 mi |
| Last update | 1 Dec 3:53 am CST |
Extended Forecast for
Janesville IL
Winter Weather Advisory December 1, 12:00pm until December 2, 06:00am
Today
High: 30 °F
Cloudy then
Chance SnowTonight
Low: 19 °F
Snow then
Chance SnowTuesday
High: 25 °F
Partly Sunny
Tuesday Night
Low: 14 °F
Partly Cloudy
Wednesday
High: 35 °F
Partly Sunny
Wednesday Night
Low: 11 °F
Mostly Cloudy
Thursday
High: 19 °F
Mostly Sunny
Thursday Night
Low: 6 °F
Mostly Cloudy
Friday
High: 30 °F
Chance Snow
Detailed Forecast
Today
A 50 percent chance of snow, mainly after 3pm. Cloudy, with a high near 30. Light and variable wind becoming east southeast 5 to 7 mph.
Tonight
Snow, mainly before midnight. Low around 19. Calm wind becoming northwest 5 to 9 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Partly sunny, with a high near 25. Northwest wind 5 to 7 mph becoming light and variable in the afternoon.
Tuesday Night
Partly cloudy, with a low around 14. Calm wind becoming south 5 to 7 mph after midnight.
Wednesday
Partly sunny, with a high near 35. South wind 7 to 10 mph, with gusts as high as 17 mph.
Wednesday Night
Mostly cloudy, with a low around 11. West southwest wind 6 to 9 mph becoming north northwest after midnight. Winds could gust as high as 15 mph.
Thursday
Mostly sunny, with a high near 19. North northwest wind 5 to 9 mph becoming light north in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Mostly cloudy, with a low around 6.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 30.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Mostly cloudy, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Mostly cloudy, with a high near 32.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Janesville IL
39.37°N 88.25°W (Elev. 669 ft)
39.37°N 88.25°W (Elev. 669 ft)
3:36 am CST Dec 1, 2025
4am CST Dec 1, 2025-6pm CST Dec 7, 2025
Additional Resources
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