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

64°F

18°C

Humidity 84%
Wind Speed S 5 mph
Barometer 30.18 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 4 Oct 3:35 am CDT
Extended Forecast for

New Burnside IL

  • Overnight

    Overnight: Clear, with a low around 59. Calm wind.

    Low: 59 °F

    Clear

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, sunny, with a high near 84. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56. South southeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 84. South wind 3 to 8 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. Southeast wind 3 to 5 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 81. South southeast wind around 6 mph. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 79 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 58. North wind 6 to 8 mph.

    Low: 58 °F

    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 59. Calm wind.
Saturday
Patchy fog before 7am. Otherwise, sunny, with a high near 84. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Saturday Night
Clear, with a low around 56. South southeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 84. South wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 65. Southeast wind 3 to 5 mph.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 81. South southeast wind around 6 mph. Chance of precipitation is 50%.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 65. Calm wind.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 58. North wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 72. North northeast wind 8 to 10 mph.
Wednesday Night
Mostly clear, with a low around 51. Northeast wind around 7 mph.
Thursday
Sunny, with a high near 71. East northeast wind around 7 mph.
Thursday Night
Mostly clear, with a low around 50. Light east northeast wind.
Friday
Sunny, with a high near 74. Calm wind becoming south southwest around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Burnside IL
 37.57°N 88.76°W
Last Update:
1:31 am CDT Oct 4, 2025
Forecast Valid:
3am CDT Oct 4, 2025-6pm CDT Oct 10, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation