Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

71°F

22°C

Humidity 96%
Wind Speed Calm
Barometer 29.89 in (1011.7 mb)
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Last update 14 Jun 1:53 am CDT
Extended Forecast for

Arthur IL

  • Overnight

    Overnight: A 40 percent chance of showers.  Cloudy, with a low around 68. East northeast wind 3 to 5 mph.

    Low: 68 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 9am.  Mostly cloudy, with a high near 79. North northeast wind 5 to 10 mph.

    High: 79 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. North northeast wind 6 to 9 mph.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 82. Northeast wind around 7 mph.

    High: 82 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 85. Light and variable wind becoming south around 6 mph in the morning.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 67. South wind 3 to 6 mph.

    Low: 67 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 40 percent chance of showers. Cloudy, with a low around 68. East northeast wind 3 to 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 9am. Mostly cloudy, with a high near 79. North northeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 62. North northeast wind 6 to 9 mph.
Sunday
Partly sunny, with a high near 82. Northeast wind around 7 mph.
Sunday Night
Partly cloudy, with a low around 65. Northeast wind around 5 mph becoming calm in the evening.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Light and variable wind becoming south around 6 mph in the morning.
Monday Night
Mostly cloudy, with a low around 67. South wind 3 to 6 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Wednesday
A chance of showers, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 69.
Juneteenth
A chance of showers. Mostly sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Arthur IL
 39.71°N 88.46°W (Elev. 663 ft)
1:40 am CDT Jun 14, 2025
2am CDT Jun 14, 2025-6pm CDT Jun 20, 2025
 
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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