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.

Fog/Mist

45°F

7°C

Humidity 93%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 43°F (6°C)
Visibility 3.00 mi
Last update 3 Mar 8:45 am CST
Extended Forecast for

3 Miles SE Tunnel Hill IL

  • Today

    Today: Partly sunny, with a high near 71. South southwest wind 7 to 13 mph, with gusts as high as 23 mph.

    High: 71 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers before 3am, then a chance of showers and thunderstorms between 3am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 57. South wind around 6 mph. Chance of precipitation is 70%.

    Low: 57 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 71. South southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

    High: 71 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. South southwest wind 6 to 9 mph. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 9am, then showers between 9am and noon, then showers likely and possibly a thunderstorm after noon. High near 70. Southwest wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 70 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 59. South wind around 6 mph. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before noon. Partly sunny, with a high near 78. South southwest wind 7 to 14 mph, with gusts as high as 25 mph.

    High: 78 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 62. South wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Cloudy, with a high near 69. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 69 °F

    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Partly sunny, with a high near 71. South southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Tonight
A chance of showers before 3am, then a chance of showers and thunderstorms between 3am and 4am, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 57. South wind around 6 mph. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm. High near 71. South southwest wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. South southwest wind 6 to 9 mph. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm before 9am, then showers between 9am and noon, then showers likely and possibly a thunderstorm after noon. High near 70. Southwest wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Thursday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 59. South wind around 6 mph. Chance of precipitation is 40%.
Friday
A 20 percent chance of showers and thunderstorms before noon. Partly sunny, with a high near 78. South southwest wind 7 to 14 mph, with gusts as high as 25 mph.
Friday Night
A chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 62. South wind 9 to 11 mph, with gusts as high as 22 mph.
Saturday
Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Cloudy, with a high near 69. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Saturday Night
A chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 50. West southwest wind around 6 mph becoming light and variable in the evening.
Sunday
A chance of showers. Mostly cloudy, with a high near 65. Light and variable wind becoming south southwest around 6 mph in the morning.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 53. South southwest wind around 6 mph.
Monday
A chance of showers. Mostly sunny, with a high near 72. Southwest wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Tunnel Hill IL
 37.53°N 88.85°W
Last Update:
8:46 am CST Mar 3, 2026
Forecast Valid:
9am CST Mar 3, 2026-6pm CDT Mar 9, 2026
 
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