Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Mostly Cloudy

81°F

27°C

Humidity 79%
Wind Speed W 12 mph
Barometer 29.91 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 27 Jun 5:47 pm CDT
Extended Forecast for

Cambria IL

Extreme Heat Watch June 29, 11:00am until July 2, 08:00pm
Flood Watch June 27, 06:00pm until June 28, 07:00am
Heat Advisory June 28, 12:00pm until June 28, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
Flood Watch
Heat Advisory
  •  
    Flood Watch June 27, 06:00pm until June 28, 07:00am

    NOW until 7:00am Sun

    Flood Watch

  • Tonight

    Low: 72 °F

    Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 91. Heat index values as high as 105. Light south wind becoming south southwest 5 to 9 mph in the morning.

    High: 91 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. South wind 3 to 7 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. Heat index values as high as 109. Light south southwest wind increasing to 5 to 9 mph in the morning.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind around 6 mph becoming calm  after midnight.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Calm wind becoming south around 6 mph in the morning.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 75. South wind around 5 mph becoming calm  in the evening.

    Low: 75 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Light south wind.

    High: 95 °F

    Sunny

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly between 1am and 4am. Partly cloudy, with a low around 72. South southwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 91. Heat index values as high as 105. Light south wind becoming south southwest 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 74. South wind 3 to 7 mph.
Monday
Sunny, with a high near 94. Heat index values as high as 109. Light south southwest wind increasing to 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 75. South wind around 6 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 95. Calm wind becoming south around 6 mph in the morning.
Tuesday Night
Clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 95. Light south wind.
Wednesday Night
Mostly clear, with a low around 76. Calm wind.
Thursday
Sunny, with a high near 93. Light and variable wind.
Thursday Night
Mostly clear, with a low around 76. Light and variable wind.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 93. Light and variable wind.
Friday Night
Mostly clear, with a low around 75. Calm wind.
Independence Day
A chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind.
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ABOUT THIS FORECAST

 
Point Forecast:
Cambria IL
 37.76°N 89.12°W
4:41 pm CDT Jun 27, 2026
6pm CDT Jun 27, 2026-6pm CDT Jul 4, 2026
 
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Additional Resources

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