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Extreme Heat in the Central US Expands to the Southeast; Severe Weather & Flash Flooding Threats in the Plains & Upper Midwest Tonight.

Dangerous heat continues across portions of the Central and Southeast U.S. through July. Heavy rains, flooding, & severe weather are possible across the Plains & Upper Midwest to the upper Great Lakes tonight, with the heavy rain and flooding threat continuing through Friday. Tropical Depression 12W brings heavy rain to Guam & the Marianas through Saturday. Read More >

Current conditions at

McComb, McComb / Pike County / John E Lewis Field Airport (KMCB)

Lat: 31.18°NLon: 90.47°WElev: 413ft.

Fair

92°F

33°C

Humidity 56%
Wind Speed NW 7 mph
Barometer 30.02 in (1015.9 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 23 Jul 6:53 pm CDT
Extended Forecast for

McComb MS

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 94. Heat index values as high as 105. Calm wind becoming northeast around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Low around 74. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and thunderstorms after 10am. High near 89. Southeast wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 89 °F

    Chance
    T-storms then
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers and thunderstorms after 10am. High near 91. South wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 91 °F

    Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 95. Calm wind becoming south around 5 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

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

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. Calm wind.
Thursday
Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 94. Heat index values as high as 105. Calm wind becoming northeast around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Low around 74. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, then showers and thunderstorms after 10am. High near 89. Southeast wind 5 to 10 mph. Chance of precipitation is 80%.
Friday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday
A chance of showers, then showers and thunderstorms after 10am. High near 91. South wind 5 to 10 mph. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 95. Calm wind becoming south around 5 mph.
Sunday Night
Mostly clear, with a low around 74. Calm wind.
Monday
A slight chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Calm wind becoming northwest around 5 mph.
Monday Night
Mostly clear, with a low around 76. Calm wind.
Tuesday
A chance of showers and thunderstorms. Sunny and hot, with a high near 98. North wind around 5 mph.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. North wind around 5 mph becoming calm.
Wednesday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 99. Calm wind becoming northeast around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
McComb MS
 31.23°N 90.46°W
Last Update:
6:15 pm CDT Jul 23, 2025
Forecast Valid:
7pm CDT Jul 23, 2025-6pm CDT Jul 30, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation