News Headlines
Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
79°F
26°C
| Humidity | 72% |
| Wind Speed | N 7 mph |
| Barometer | 29.93 in (1012.7 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 5 Jul 7:53 pm CDT |
Extended Forecast for
Casey ILSimilar City Names
Tonight
Low: 67 °F
Slight Chance
T-storms then
Partly CloudyMonday
High: 82 °F
Mostly Cloudy
then Slight
Chance
T-stormsMonday Night
Low: 65 °F
Slight Chance
T-storms then
Partly CloudyTuesday

High: 84 °F
Mostly Sunny
Tuesday Night

Low: 66 °F
Mostly Clear
Wednesday

High: 86 °F
Sunny
Wednesday Night

Low: 68 °F
Mostly Clear
Thursday

High: 88 °F
Chance
T-stormsThursday Night

Low: 71 °F
Showers
Likely
Detailed Forecast
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Increasing clouds, with a low around 67. North wind 3 to 6 mph.
Monday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 82. North wind 6 to 9 mph.
Monday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 65. North wind 5 to 8 mph, with gusts as high as 15 mph.
Tuesday
Mostly sunny, with a high near 84. North northeast wind 6 to 8 mph.
Tuesday Night
Mostly clear, with a low around 66. North northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 86. Calm wind becoming south southwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 68. Calm wind becoming south southwest around 6 mph after midnight.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 71. Chance of precipitation is 70%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Saturday
Partly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 85.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Casey ILSimilar City Names
39.3°N 88°W (Elev. 643 ft)
39.3°N 88°W (Elev. 643 ft)
7:36 pm CDT Jul 5, 2026
8pm CDT Jul 5, 2026-6pm CDT Jul 12, 2026



