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

69°F

21°C

Humidity 93%
Wind Speed S 6 mph
Barometer 29.90 in (1012.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 16 Jun 11:53 pm CDT
Extended Forecast for

2 Miles E Sullivan IL

  • Overnight

    Overnight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 69. Light south wind.

    Low: 69 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 86. South southwest wind 3 to 7 mph.

    High: 86 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 10pm. Partly cloudy, with a low around 71. South wind 6 to 8 mph.

    Low: 71 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10am. High near 85. South southwest wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Showers
    Likely then
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Sunny, with a high near 83. West northwest wind around 7 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Light southwest wind.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 69. Light south wind.
Tuesday
Areas of fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 86. South southwest wind 3 to 7 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 10pm. Partly cloudy, with a low around 71. South wind 6 to 8 mph.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10am. High near 85. South southwest wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Juneteenth
Sunny, with a high near 83. West northwest wind around 7 mph.
Thursday Night
Mostly clear, with a low around 65. Light southwest wind.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Sullivan IL
 39.58°N 88.55°W (Elev. 630 ft)
Last Update:
11:56 pm CDT Jun 16, 2025
Forecast Valid:
12am CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation