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.

Overcast

69°F

21°C

Humidity 99%
Wind Speed N 3 mph
Barometer 29.71 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 1 Aug 10:55 pm CDT
Extended Forecast for

Cambria IL

  • Tonight

    Tonight: A 40 percent chance of showers, mainly before 1am. Cloudy, with a low around 66. Northwest wind 6 to 10 mph.

    Low: 66 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 79. North wind 11 to 13 mph, with gusts as high as 22 mph.

    High: 79 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66. North wind 5 to 9 mph becoming light after midnight.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 84. North wind 3 to 7 mph.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. Light north wind.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Light north northeast wind.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly before 1am. Cloudy, with a low around 66. Northwest wind 6 to 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 79. North wind 11 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 66. North wind 5 to 9 mph becoming light after midnight.
Monday
Mostly sunny, with a high near 84. North wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 65. Light north wind.
Tuesday
Sunny, with a high near 86. Light north northeast wind.
Tuesday Night
Mostly clear, with a low around 66. Calm wind.
Wednesday
Sunny, with a high near 88. Light and variable wind.
Wednesday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 69. Calm wind.
Thursday
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 71. South wind 3 to 5 mph.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. South southwest wind 3 to 8 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 72. South wind 3 to 6 mph.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Light south southwest wind becoming south 5 to 9 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cambria IL
 37.76°N 89.12°W
Last Update:
10:21 pm CDT Aug 1, 2026
Forecast Valid:
11pm CDT Aug 1, 2026-6pm CDT Aug 8, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation