Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
A Few Clouds
77°F
25°C
| Humidity | 88% |
| Wind Speed | S 6 mph |
| Barometer | 30.03 in (1016.2 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 26 Jun 4:53 am CDT |
Extended Forecast for
3 Miles SE Arthur IL
Heat Advisory June 26, 05:07am until June 26, 07:00pm
NOW until 7:00pm Thu
Heat Advisory
Today
High: 93 °F
Sunny then
Isolated
T-stormsTonight
Low: 74 °F
Isolated
T-storms then
Partly CloudyFriday
High: 91 °F
Mostly Sunny
then T-storms
LikelyFriday Night
Low: 71 °F
Chance
T-stormsSaturday
High: 89 °F
Chance
T-stormsSaturday Night
Low: 71 °F
Partly Cloudy
Sunday
High: 91 °F
Mostly Sunny
then Chance
T-stormsSunday Night
Low: 71 °F
Chance
T-storms
Detailed Forecast
Today
Isolated showers and thunderstorms after 3pm. Mostly sunny, with a high near 93. Heat index values as high as 102. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 10pm. Partly cloudy, with a low around 74. South southwest wind around 7 mph. Chance of precipitation is 20%.
Friday
Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 91. Heat index values as high as 100. West southwest wind 8 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. West southwest wind 5 to 7 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. West southwest wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 71. Light and variable wind.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Southwest wind 3 to 6 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Monday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Monday Night
Mostly cloudy, with a low around 69.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 85.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SE Arthur IL
39.69°N 88.43°W (Elev. 650 ft)
39.69°N 88.43°W (Elev. 650 ft)
4:25 am CDT Jun 26, 2025
5am CDT Jun 26, 2025-6pm CDT Jul 2, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
