Heat Wave Across the Central and Southeast US; Flash Flood Threats in the North-Central US, Southeast, and Guam

Dangerous heat is expected across portions of the Central and Southeast U.S. through July. Heavy rains, flash flooding & severe weather are possible across the middle Missouri River Valley and Upper Midwest to the upper Great Lakes. Heavy rains and flash flooding are also possible across portions of the Southeast. A tropical disturbance 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

78°F

26°C

Humidity 87%
Wind Speed N 3 mph
Barometer 30.07 in (1017.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 23 Jul 6:53 am CDT
Extended Forecast for

10 Miles S Liberty MS

Extreme Heat Warning July 23, 10:00am until July 23, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Today

    Today: Mostly sunny and hot, with a high near 98. Heat index values as high as 109. North wind around 5 mph.

    High: 98 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms after 4pm.  High near 95. Heat index values as high as 110. Calm wind becoming northeast 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: 95 °F

    Slight Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am.  Low around 75. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%.

    Low: 75 °F

    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and thunderstorms after 10am.  High near 89. East wind 5 to 10 mph becoming southeast in the afternoon.  Chance of precipitation is 90%.

    High: 89 °F

    Chance
    T-storms then
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73. Southeast wind around 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms, mainly after 1pm.  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 chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 94. Calm wind becoming south around 5 mph.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Mostly sunny and hot, with a high near 98. Heat index values as high as 109. North wind around 5 mph.
Tonight
Partly cloudy, with a low around 77. Calm wind.
Thursday
A slight chance of showers and thunderstorms before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms after 4pm. High near 95. Heat index values as high as 110. Calm wind becoming northeast 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
Showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Low around 75. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Friday
A chance of showers, then showers and thunderstorms after 10am. High near 89. East wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 90%.
Friday Night
Partly cloudy, with a low around 73. Southeast wind around 5 mph.
Saturday
Showers and thunderstorms, mainly after 1pm. 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 chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming south around 5 mph.
Sunday Night
Mostly clear, with a low around 74. Calm wind.
Monday
A chance of showers and thunderstorms. Sunny and hot, with a high near 97. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 74. Calm wind.
Tuesday
A chance of showers and thunderstorms. Sunny and hot, with a high near 97. Calm wind becoming northwest around 5 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles S Liberty MS
 31.03°N 90.79°W
6:20 am CDT Jul 23, 2025
7am CDT Jul 23, 2025-6pm CDT Jul 29, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database