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

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

81°F

27°C

Humidity 84%
Wind Speed SW 9 mph
Barometer 30.06 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 27 Jun 8:47 am CDT
Extended Forecast for

2 Miles NE Goreville IL

Heat Advisory June 27, 08:50am until June 27, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 27, 08:50am until June 27, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • Today

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 88 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 87 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 73. Light south southwest wind.

    Low: 73 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. West southwest wind 3 to 6 mph. Chance of precipitation is 80%.

    High: 87 °F

    Chance
    T-storms then
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Today
A 10 percent chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 91. Southwest wind 3 to 7 mph.
Tonight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm in the evening.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 73. Calm wind.
Sunday
Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 73. Light south southwest wind.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. West southwest wind 3 to 6 mph. Chance of precipitation is 80%.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 71. Calm wind.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 69. Calm wind.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 86. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 69. Calm wind.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 88. Calm wind becoming south southwest around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Goreville IL
 37.58°N 88.93°W
Last Update:
8:00 am CDT Jun 27, 2025
Forecast Valid:
8am CDT Jun 27, 2025-6pm CDT Jul 3, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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