Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
54°F
12°C
| Humidity | 57% |
| Wind Speed | SE 14 mph |
| Barometer | 30.15 in (1020.9 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 50°F (10°C) |
| Last update | 12 May 7:53 am CDT |
Extended Forecast for
3 Miles S Janesville IL
Today

High: 79 °F
Sunny
Tonight

Low: 55 °F
Chance
ShowersWednesday

High: 68 °F
Sunny
Wednesday Night

Low: 45 °F
Mostly Clear
Thursday

High: 69 °F
Sunny
Thursday Night

Low: 51 °F
Partly Cloudy
Friday

High: 76 °F
Chance
ShowersFriday Night

Low: 60 °F
Chance
ShowersSaturday

High: 85 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 79. Southwest wind 8 to 16 mph, with gusts as high as 25 mph.
Tonight
A slight chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 55. Southwest wind 8 to 14 mph becoming west northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 50%.
Wednesday
Sunny, with a high near 68. Northwest wind 13 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 45. North wind 6 to 11 mph becoming light in the evening. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 69. Light north wind.
Thursday Night
Partly cloudy, with a low around 51. Calm wind becoming south southeast 5 to 8 mph after midnight. Winds could gust as high as 15 mph.
Friday
A 50 percent chance of showers before 1pm. Partly sunny, with a high near 76. South southeast wind 10 to 15 mph, with gusts as high as 24 mph.
Friday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 60.
Saturday
Sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
A chance of showers. Partly cloudy, with a low around 68.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles S Janesville IL
39.33°N 88.26°W (Elev. 591 ft)
39.33°N 88.26°W (Elev. 591 ft)
9:36 am CDT May 12, 2026
9am CDT May 12, 2026-6pm CDT May 18, 2026



