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

Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

74°F

23°C

Humidity 96%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 15 Jul 12:55 am CDT
Extended Forecast for

5 Miles NW Goreville IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 72. Light south southeast wind.

    Low: 72 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. South southwest wind 3 to 8 mph. Chance of precipitation is 70%.

    High: 86 °F

    Chance
    Showers and
    Patchy Fog
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 4am, then a slight chance of showers. Mostly cloudy, with a low around 74. Light south southwest wind. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Southwest wind 3 to 6 mph.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 75. South southwest wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Southwest wind 5 to 7 mph.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Light southwest wind.

    Low: 74 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87. Light southwest wind.

    High: 87 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 72. Light south southeast wind.
Tuesday
Showers and thunderstorms likely, mainly after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 86. South southwest wind 3 to 8 mph. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely before 4am, then a slight chance of showers. Mostly cloudy, with a low around 74. Light south southwest wind. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Southwest wind 3 to 6 mph.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 75. South southwest wind 3 to 5 mph. Chance of precipitation is 20%.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Southwest wind 5 to 7 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Light southwest wind.
Friday
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87. Light southwest wind.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Calm wind.
Saturday
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 89. Southwest wind 3 to 5 mph.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. Light south wind.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southwest wind 3 to 5 mph.
Sunday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 75. Light south southwest wind.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. South southwest wind around 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Goreville IL
 37.6°N 89.07°W
Last Update:
11:03 pm CDT Jul 14, 2025
Forecast Valid:
1am CDT Jul 15, 2025-6pm CDT Jul 21, 2025
 
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