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October 2026 Climate Summary

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

50°F

10°C

Humidity	93%
Wind Speed	S 5 mph
Barometer	29.81 in (1009.3 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Wind Chill	48°F (9°C)
Last update	5 Nov 1:53 am CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles NNE Sullivan IL

Overnight
Low: 45 °F
Partly Cloudy
Thursday
High: 58 °F
Increasing
Clouds
Thursday Night
Low: 42 °F
Chance Rain
Friday
High: 51 °F
Gradual
Clearing
Friday Night
Low: 29 °F
Mostly Clear
Saturday
High: 53 °F
Sunny
Saturday Night
Low: 29 °F
Mostly Clear
Sunday
High: 59 °F
Sunny
Sunday Night
Low: 33 °F
Clear

Detailed Forecast

Overnight

Partly cloudy, with a low around 45. Southwest wind around 9 mph, with gusts as high as 16 mph.

Thursday

Increasing clouds, with a high near 58. West southwest wind 9 to 14 mph, with gusts as high as 21 mph.

Thursday Night

A 30 percent chance of rain, mainly before midnight. Cloudy, with a low around 42. West wind 8 to 11 mph becoming north northwest after midnight. Winds could gust as high as 18 mph.

Friday

Cloudy through mid morning, then gradual clearing, with a high near 51. North northwest wind 9 to 14 mph, with gusts as high as 21 mph.

Friday Night

Mostly clear, with a low around 29. North wind around 6 mph becoming calm in the evening.

Saturday

Sunny, with a high near 53. Calm wind becoming northwest around 6 mph.

Saturday Night

Mostly clear, with a low around 29. Calm wind.

Sunday

Sunny, with a high near 59.

Sunday Night

Clear, with a low around 33.