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.

Mostly Cloudy

79°F

26°C

Humidity 82%
Wind Speed SW 6 mph
Barometer 29.96 in (1013.7 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 16 Aug 5:53 pm CDT
Extended Forecast for

Westfield IL

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am. Increasing clouds, with a low around 68. Northwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    T-storms
    Likely

  • Monday

    Monday: Partly sunny, with a high near 82. North wind 6 to 8 mph.

    High: 82 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, then becoming mostly clear toward daybreak, with a low around 62. North wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 66. Light south wind.

    Low: 66 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. West wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. North northeast wind around 6 mph.

    Low: 62 °F

    Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 2am. Increasing clouds, with a low around 68. Northwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Partly sunny, with a high near 82. North wind 6 to 8 mph.
Monday Night
Mostly cloudy, then becoming mostly clear toward daybreak, with a low around 62. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 83. Light and variable wind.
Tuesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 66. Light south wind.
Wednesday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. West wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. North northeast wind around 6 mph.
Thursday
Partly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westfield IL
 39.45°N 87.99°W (Elev. 751 ft)
Last Update:
4:36 pm CDT Aug 16, 2026
Forecast Valid:
6pm CDT Aug 16, 2026-6pm CDT Aug 23, 2026
 
Forecast Discussion
 
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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