Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Mostly Cloudy

79°F

26°C

Humidity 70%
Wind Speed N 9 mph
Barometer 29.83 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 2 Aug 4:45 pm CDT
Extended Forecast for

2 Miles NNW Tunnel Hill IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 77. North northwest wind around 6 mph, with gusts as high as 21 mph.

    High: 77 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, mostly cloudy, then gradually becoming clear, with a low around 64. North wind 5 to 7 mph becoming calm  in the evening.

    Low: 64 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 83. North northeast wind 3 to 6 mph.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind.

    High: 87 °F

    Sunny

  • Wednesday Night

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

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 88. Calm wind becoming south southwest around 6 mph in the morning.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 77. North northwest wind around 6 mph, with gusts as high as 21 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 64. North wind 5 to 7 mph becoming calm in the evening.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 83. North northeast wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 64. Calm wind.
Tuesday
Sunny, with a high near 86. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 65. Calm wind.
Wednesday
Sunny, with a high near 87. Calm wind.
Wednesday Night
Mostly clear, with a low around 68. Calm wind.
Thursday
Mostly sunny, with a high near 88. Calm wind becoming south southwest around 6 mph in the morning.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Light south wind.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Calm wind becoming south southwest around 6 mph in the morning.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. Calm wind.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Calm wind becoming south southwest around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 70. Calm wind.
Sunday
Mostly sunny, with a high near 90. South southwest wind 3 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Tunnel Hill IL
 37.6°N 88.9°W
5:11 pm CDT Aug 2, 2026
5pm CDT Aug 2, 2026-6pm CDT Aug 9, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database