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

77°F

25°C

Humidity 54%
Wind Speed W 8 mph
Barometer 29.95 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 16 Apr 2:45 pm CDT
Extended Forecast for

7 Miles WSW Goreville IL

Severe T-storm Watch April 16, 03:45pm until April 16, 09:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch April 16, 03:45pm until April 16, 09:00pm

    NOW until 9:00pm Thu

    Severe T-storm Watch

  • This Afternoon

    High: 79 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming clear, with a low around 59. Light south wind.

    Low: 59 °F

    Severe
    Thunderstorms
    then Mostly
    Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 84. Light south southeast wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 4pm, then showers likely. High near 68. Southwest wind 10 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 39. North northwest wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 20 mph.

    Low: 39 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 67. Light west wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42. North northwest wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Clear

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. Mostly sunny, with a high near 79. West southwest wind around 8 mph. Chance of precipitation is 60%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming clear, with a low around 59. Light south wind.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 84. Light south southeast wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Friday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm before 4pm, then showers likely. High near 68. Southwest wind 10 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 39. North northwest wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 67. Light west wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Clear, with a low around 42. North northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 72. Calm wind becoming south around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 51. South southwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 77. South southwest wind 5 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 54. South southwest wind 5 to 8 mph.
Wednesday
Mostly sunny, with a high near 77. Southwest wind 5 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Goreville IL
 37.52°N 89.1°W
Last Update:
2:57 pm CDT Apr 16, 2026
Forecast Valid:
3pm CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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