Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Thunderstorm Rain Fog/Mist
64°F
18°C
| Humidity | 90% |
| Wind Speed | SW 13 G 20 mph |
| Barometer | 29.88 in (1011.6 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 4.00 mi |
| Last update | 15 Apr 10:53 pm CDT |
Extended Forecast for
Mattoon IL
Tonight

Low: 62 °F
T-storms
Thursday
High: 77 °F
Slight Chance
Showers then
SunnyThursday Night

Low: 55 °F
Mostly Clear
Friday

High: 82 °F
Mostly Sunny
Friday Night
Low: 53 °F
Chance
T-storms then
ShowersSaturday

High: 64 °F
Showers
LikelySaturday Night

Low: 38 °F
Partly Cloudy
Sunday

High: 57 °F
Sunny
Sunday Night

Low: 38 °F
Mostly Clear
Detailed Forecast
Tonight
Showers and possibly a thunderstorm before 4am, then a chance of showers. Low around 62. South southwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A 10 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 77. West wind 11 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 55. West wind around 6 mph becoming light and variable.
Friday
Mostly sunny, with a high near 82. South wind 6 to 15 mph, with gusts as high as 25 mph.
Friday Night
A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 53. South wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers likely, mainly before 1pm. Partly sunny, with a high near 64. West northwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Partly cloudy, with a low around 38. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 74.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mattoon IL
39.49°N 88.36°W (Elev. 722 ft)
39.49°N 88.36°W (Elev. 722 ft)
10:51 pm CDT Apr 15, 2026
11pm CDT Apr 15, 2026-6pm CDT Apr 22, 2026



