Hazardous Weather Conditions
Current conditions at
Mattoon / Charleston, Coles County Memorial Airport (KMTO)
Lat: 39.48°NLon: 88.28°WElev: 722ft.
Fair
69°F
21°C
| Humidity | 66% |
| Wind Speed | S 12 G 18 mph |
| Barometer | 29.79 in (1008.2 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 23 Apr 11:53 pm CDT |
Extended Forecast for
Arthur IL
Overnight

Low: 62 °F
Chance
T-stormsFriday

High: 73 °F
Showers
LikelyFriday Night
Low: 50 °F
Slight Chance
T-storms then
Partly CloudySaturday

High: 75 °F
Sunny
Saturday Night

Low: 49 °F
Partly Cloudy
Sunday

High: 74 °F
Partly Sunny
Sunday Night
Low: 57 °F
Mostly Cloudy
then Chance
ShowersMonday

High: 76 °F
Showers and
BreezyMonday Night

Low: 53 °F
Showers
Likely
Detailed Forecast
Overnight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 62. South wind around 14 mph, with gusts as high as 24 mph.
Friday
Showers and thunderstorms likely before noon, then showers likely and possibly a thunderstorm between noon and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 73. South southwest wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 50. West wind around 8 mph becoming north in the evening.
Saturday
Sunny, with a high near 75. Northeast wind 8 to 10 mph, with gusts as high as 16 mph.
Saturday Night
Partly cloudy, with a low around 49. Northeast wind 8 to 10 mph, with gusts as high as 15 mph.
Sunday
Partly sunny, with a high near 74. East wind 10 to 13 mph, with gusts as high as 18 mph.
Sunday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 57. East southeast wind 10 to 15 mph, with gusts as high as 23 mph.
Monday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 76. Breezy. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 46.
Thursday
A chance of showers. Mostly sunny, with a high near 63.
Additional Forecasts and Information
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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)
11:47 pm CDT Apr 23, 2026
12am CDT Apr 24, 2026-6pm CDT Apr 30, 2026



