Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
59°F
15°C
| Humidity | 54% |
| Wind Speed | S 9 mph |
| Barometer | 30.14 in (1020.5 mb) |
| Dewpoint | 42°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 9 Apr 1:53 am CDT |
Extended Forecast for
Arthur IL
Overnight

Low: 54 °F
Partly Cloudy
Thursday
High: 77 °F
Mostly Sunny
then Slight
Chance
ShowersThursday Night
Low: 58 °F
Partly Cloudy
then Slight
Chance
ShowersFriday

High: 64 °F
Showers
LikelyFriday Night

Low: 43 °F
Mostly Cloudy
Saturday

High: 68 °F
Partly Sunny
Saturday Night

Low: 56 °F
Mostly Cloudy
Sunday

High: 79 °F
Mostly Cloudy
and BreezySunday Night
Low: 62 °F
Chance
Showers then
Showers
Likely
Detailed Forecast
Overnight
Partly cloudy, with a low around 54. South southwest wind around 15 mph, with gusts as high as 25 mph.
Thursday
A 20 percent chance of showers after 4pm. Mostly sunny, with a high near 77. Southwest wind 14 to 18 mph, with gusts as high as 29 mph.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 58. South wind 11 to 16 mph, with gusts as high as 24 mph.
Friday
Showers likely. Mostly cloudy, with a high near 64. Southwest wind 10 to 14 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly cloudy, with a low around 43. East northeast wind around 9 mph, with gusts as high as 15 mph.
Saturday
Partly sunny, with a high near 68. East northeast wind around 10 mph becoming southeast in the afternoon. Winds could gust as high as 16 mph.
Saturday Night
Mostly cloudy, with a low around 56. Southeast wind 8 to 11 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 79. Breezy.
Sunday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Breezy. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 65.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Breezy.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59.
Wednesday
A chance of showers. Mostly cloudy, with a high near 73. Breezy.
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)
1:32 am CDT Apr 9, 2026
2am CDT Apr 9, 2026-6pm CDT Apr 15, 2026



