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.

Fair

55°F

13°C

Humidity 93%
Wind Speed W 5 mph
Barometer 30.13 in (1020.0 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 23 Jun 3:53 am CDT
Extended Forecast for

5 Miles ESE Janesville IL

  • Overnight

    Overnight: Clear, with a low around 56. North wind around 5 mph.

    Low: 56 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. North wind around 6 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. Calm wind becoming south southwest 5 to 7 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers after 10pm. Mostly cloudy, with a low around 64. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Partly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Light south southeast wind. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.

    Low: 65 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 79. Chance of precipitation is 80%.

    High: 79 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 56. North wind around 5 mph.
Tuesday
Sunny, with a high near 77. North wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 57. Calm wind.
Wednesday
Mostly sunny, with a high near 80. Calm wind becoming south southwest 5 to 7 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers after 10pm. Mostly cloudy, with a low around 64. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Thursday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. Calm wind becoming south southwest around 5 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
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Light south southeast wind. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Friday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 79. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny, with a high near 91.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Janesville IL
 39.35°N 88.17°W (Elev. 551 ft)
Last Update:
3:36 am CDT Jun 23, 2026
Forecast Valid:
3am CDT Jun 23, 2026-6pm CDT Jun 29, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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