Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Light Rain
61°F
16°C
| Humidity | 90% |
| Wind Speed | S 5 mph |
| Barometer | 29.72 in (1006.0 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 18 Apr 3:53 am CDT |
Extended Forecast for
Mattoon/Charleston, Coles County Memorial Airport IL
Overnight

Low: 62 °F
Showers
Saturday
High: 57 °F
Showers
Likely then
Partly SunnySaturday Night

Low: 37 °F
Mostly Clear
Sunday

High: 61 °F
Patchy Frost
then Mostly
SunnySunday Night

Low: 35 °F
Mostly Clear
then Patchy
FrostMonday

High: 59 °F
Patchy Frost
then SunnyMonday Night

Low: 46 °F
Mostly Clear
Tuesday

High: 75 °F
Mostly Sunny
Tuesday Night

Low: 57 °F
Partly Cloudy
Detailed Forecast
Overnight
Showers and possibly a thunderstorm. Steady temperature around 62. West southwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 57. Northwest wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Mostly clear, with a low around 37. Northwest wind 6 to 13 mph becoming southwest after midnight. Winds could gust as high as 22 mph.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 61. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 35. North wind 5 to 10 mph, with gusts as high as 18 mph.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 59. Northeast wind around 6 mph becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 46. South southeast wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 80.
Thursday Night
A chance of showers. Partly cloudy, with a low around 61.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mattoon/Charleston, Coles County Memorial Airport IL
39.46°N 88.28°W (Elev. 679 ft)
39.46°N 88.28°W (Elev. 679 ft)
3:36 am CDT Apr 18, 2026
4am CDT Apr 18, 2026-6pm CDT Apr 24, 2026



