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

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

68°F

20°C

Humidity 81%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 20 May 2:15 am CDT
Extended Forecast for

Carterville IL

  • Overnight

    Overnight: Mostly clear, with a low around 64. Light south wind.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 90. Light south wind increasing to 5 to 9 mph in the morning.

    High: 90 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. South wind around 6 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 91 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. South wind 13 to 15 mph, with gusts as high as 26 mph.

    Low: 71 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Partly sunny, with a high near 86. South southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 86 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 62. South southwest wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 80%.

    Low: 62 °F

    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 79. Light and variable wind becoming east northeast 5 to 7 mph in the morning.

    High: 79 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Light southeast wind.

    Low: 62 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 64. Light south wind.
Monday
Mostly sunny, with a high near 90. Light south wind increasing to 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 67. South wind around 6 mph.
Tuesday
Sunny, with a high near 91. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. South wind 13 to 15 mph, with gusts as high as 26 mph.
Wednesday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Partly sunny, with a high near 86. South southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 62. South southwest wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 80%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Light and variable wind becoming east northeast 5 to 7 mph in the morning.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Light southeast wind.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. South wind 5 to 8 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. South southeast wind around 6 mph.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. South wind 6 to 9 mph.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. South wind 3 to 6 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. South southwest wind 6 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Carterville IL
 37.78°N 89.09°W
Last Update:
1:18 am CDT May 20, 2024
Forecast Valid:
2am CDT May 20, 2024-6pm CDT May 26, 2024
 
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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