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Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

72°F

22°C

Humidity 97%
Wind Speed Calm
Barometer 29.88 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 17 Jun 4:35 am CDT
Extended Forecast for

3 Miles SW Tunnel Hill IL

  • Overnight

    Overnight: A 30 percent chance of showers. Mostly cloudy, with a low around 70. Light south wind.

    Low: 70 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 7am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 83. South southwest wind 3 to 5 mph. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    T-storms and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 73. South wind 3 to 7 mph.

    Low: 73 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Partly sunny, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 86 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 4am, then a slight chance of showers. Mostly cloudy, with a low around 69. Southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 69 °F

    T-storms
    Likely then
    Showers
    Likely

  • Juneteenth

    Juneteenth: A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Mostly sunny, with a high near 83. West northwest wind around 6 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87. Calm wind becoming south southwest 5 to 7 mph in the morning.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 72. South wind around 6 mph.

    Low: 72 °F

    Clear

Detailed Forecast

Overnight
A 30 percent chance of showers. Mostly cloudy, with a low around 70. Light south wind.
Tuesday
A chance of showers, with thunderstorms also possible after 7am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 83. South southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Tuesday Night
Increasing clouds, with a low around 73. South wind 3 to 7 mph.
Wednesday
A slight chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Partly sunny, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely before 4am, then a slight chance of showers. Mostly cloudy, with a low around 69. Southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Juneteenth
A slight chance of showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Mostly sunny, with a high near 83. West northwest wind around 6 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 68. Calm wind.
Friday
Sunny, with a high near 87. Calm wind becoming south southwest 5 to 7 mph in the morning.
Friday Night
Clear, with a low around 72. South wind around 6 mph.
Saturday
Sunny, with a high near 91. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 76. South wind 6 to 8 mph.
Sunday
Sunny, with a high near 92. South southwest wind 6 to 8 mph.
Sunday Night
Clear, with a low around 75. South wind 3 to 6 mph.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 92. South southwest wind 3 to 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Tunnel Hill IL
 37.53°N 88.93°W
Last Update:
2:16 am CDT Jun 17, 2025
Forecast Valid:
4am CDT Jun 17, 2025-6pm CDT Jun 23, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation