National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Columbia-Marion County Airport (K0R0)

Lat: 31.3°NLon: 89.81°WElev: 265ft.

77°F

25°C

Humidity 100%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 77°F (25°C)
Visibility NA
Heat Index78°F (26°C)
Last update 15 Jul 10:35 pm CDT
Extended Forecast for

Prentiss MS

Heat Advisory July 16, 10:00am until July 16, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 3pm. Increasing clouds and hot, with a high near 99. Heat index values as high as 110. Calm wind becoming north around 5 mph.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. Patchy fog before 8am. High near 93. Heat index values as high as 105. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 90. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 90 °F

    Chance
    Showers then
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 72. South southeast wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. South southwest wind around 5 mph. Chance of precipitation is 70%.

    High: 93 °F

    Chance
    Showers then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 74. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 3pm. Increasing clouds and hot, with a high near 99. Heat index values as high as 110. Calm wind becoming north around 5 mph.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%.
Thursday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. Patchy fog before 8am. High near 93. Heat index values as high as 105. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 90. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 72. South southeast wind around 5 mph becoming calm in the evening.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. South southwest wind around 5 mph. Chance of precipitation is 70%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm in the evening.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Sunday Night
Patchy fog. Otherwise, mostly clear, with a low around 72.
Monday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 73.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
Prentiss MS
 31.57°N 89.89°W
Last Update:
10:15 pm CDT Jul 15, 2025
Forecast Valid:
10pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation