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.

Fair

74°F

23°C

Humidity 96%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 73°F (23°C)
Visibility 7.00 mi
Last update 28 Jun 8:15 pm CDT
Extended Forecast for

Colp IL

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 85. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 50%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southwest wind 3 to 6 mph.

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 89. West southwest wind 6 to 8 mph. Chance of precipitation is 80%.

    High: 89 °F

    Chance
    T-storms then
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, with a low around 71. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 71 °F

    T-storms
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. North northwest wind 3 to 6 mph.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. Light north northwest wind.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. Light west northwest wind.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%.
Sunday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 85. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 50%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southwest wind 3 to 6 mph.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 89. West southwest wind 6 to 8 mph. Chance of precipitation is 80%.
Monday Night
Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, with a low around 71. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 87. North northwest wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 67. Light north northwest wind.
Wednesday
Mostly sunny, with a high near 89. Light west northwest wind.
Wednesday Night
Mostly clear, with a low around 69. Calm wind.
Thursday
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Calm wind becoming southwest around 5 mph.
Thursday Night
Mostly clear, with a low around 71. Calm wind.
Independence Day
A slight chance of showers and thunderstorms. Sunny, with a high near 91. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 73. South wind 3 to 5 mph.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. South southwest wind 5 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Colp IL
 37.81°N 89.08°W
Last Update:
7:17 pm CDT Jun 28, 2025
Forecast Valid:
8pm CDT Jun 28, 2025-6pm CDT Jul 5, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation