Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Overcast
76°F
24°C
| Humidity | 64% |
| Wind Speed | S 14 G 22 mph |
| Barometer | 30.00 in (1015.2 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 13 Apr 12:53 pm CDT |
Extended Forecast for
Mattoon/Charleston, Coles County Memorial Airport IL
This Afternoon
High: 80 °F
Slight Chance
T-stormsTonight
Low: 66 °F
Slight Chance
T-storms then
Mostly CloudyTuesday
High: 82 °F
Slight Chance
T-stormsTuesday Night
Low: 66 °F
Chance
T-stormsWednesday
High: 79 °F
Chance
T-storms then
Showers
LikelyWednesday Night
Low: 62 °F
Showers
Thursday
High: 76 °F
Showers
LikelyThursday Night
Low: 58 °F
Mostly Clear
Friday
High: 83 °F
Mostly Sunny
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. South southwest wind around 17 mph, with gusts as high as 29 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 66. South wind 15 to 17 mph, with gusts as high as 30 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 9am. Partly sunny, with a high near 82. South southwest wind 14 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southwest wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Wednesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. South southwest wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm, then showers after 10pm. Low around 62. South southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 76. Southwest wind 11 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly clear, with a low around 58.
Friday
Mostly sunny, with a high near 83.
Friday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 74.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 56.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT 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)
1:26 pm CDT Apr 13, 2026
1pm CDT Apr 13, 2026-6pm CDT Apr 19, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
