National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

60°F

16°C

Humidity 93%
Wind Speed SW 8 G 18 mph
Barometer 29.72 in (1006.1 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 11 Mar 9:53 am CDT
Extended Forecast for

4 Miles SE Janesville IL

  • Today

    Today: Showers likely, mainly before 3pm. Cloudy, with a temperature falling to around 42 by 5pm. Breezy, with a west southwest wind 17 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 64 °F⇓

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 29. Blustery, with a north northwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 31 mph.

    Low: 29 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 50. West southwest wind 5 to 10 mph, with gusts as high as 17 mph.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. Breezy, with a south wind 9 to 14 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 37 mph.

    Low: 41 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 57. Breezy, with a west wind 17 to 23 mph, with gusts as high as 36 mph.

    High: 57 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. West northwest wind 5 to 8 mph becoming northeast after midnight. Winds could gust as high as 16 mph.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 55. East southeast wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 55 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers, mainly after 1pm. High near 63. Breezy. Chance of precipitation is 80%.

    High: 63 °F

    Breezy.
    Chance
    Showers then
    Showers

Detailed Forecast

Today
Showers likely, mainly before 3pm. Cloudy, with a temperature falling to around 42 by 5pm. Breezy, with a west southwest wind 17 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 29. Blustery, with a north northwest wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 31 mph.
Thursday
Sunny, with a high near 50. West southwest wind 5 to 10 mph, with gusts as high as 17 mph.
Thursday Night
Mostly cloudy, with a low around 41. Breezy, with a south wind 9 to 14 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 37 mph.
Friday
Partly sunny, with a high near 57. Breezy, with a west wind 17 to 23 mph, with gusts as high as 36 mph.
Friday Night
Mostly cloudy, with a low around 33. West northwest wind 5 to 8 mph becoming northeast after midnight. Winds could gust as high as 16 mph.
Saturday
Mostly cloudy, with a high near 55. East southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
Showers, mainly after 1pm. High near 63. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow showers before 1am. Mostly cloudy, with a low around 23. Blustery. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 32. Breezy.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Mostly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Janesville IL
 39.33°N 88.2°W (Elev. 614 ft)
Last Update:
7:56 am CDT Mar 11, 2026
Forecast Valid:
10am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation