


Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Partly Cloudy
87°F
31°C
Humidity | 67% |
Wind Speed | S 6 mph |
Barometer | 30.06 in (1017.1 mb) |
Dewpoint | 75°F (24°C) |
Visibility | 10.00 mi |
Heat Index | 96°F (36°C) |
Last update | 30 Jul 11:53 am CDT |
Extended Forecast for
Arthur IL
Heat Advisory July 30, 12:05pm until July 30, 07:00pm
NOW until 7:00pm Wed
Heat Advisory
This Afternoon
High: 92 °F
T-storms
LikelyTonight
Low: 69 °F
Chance
T-storms then
Showers
LikelyThursday
High: 78 °F
Showers
LikelyThursday Night
Low: 61 °F
Partly Cloudy
Friday
High: 78 °F
Sunny
Friday Night
Low: 57 °F
Mostly Clear
Saturday
High: 79 °F
Sunny
Saturday Night
Low: 57 °F
Mostly Clear
Detailed Forecast
This Afternoon
Showers and thunderstorms likely, mainly between 2pm and 3pm. Mostly sunny, with a high near 92. Heat index values as high as 113. South wind 6 to 13 mph becoming north northwest. Winds could gust as high as 16 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Northeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. North northeast wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 61. North northeast wind 9 to 13 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 78. Northeast wind 10 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 57. North northeast wind 6 to 9 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 79. Northeast wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Partly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Arthur IL
39.71°N 88.46°W (Elev. 663 ft)
39.71°N 88.46°W (Elev. 663 ft)
11:56 am CDT Jul 30, 2025
12pm CDT Jul 30, 2025-6pm CDT Aug 5, 2025