Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 31.18°NLon: 90.47°WElev: 413ft.

Overcast

72°F

22°C

Humidity 100%
Wind Speed SE 3 mph
Barometer 29.85 in (1010.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 17 Jun 1:53 am CDT
Extended Forecast for

3 Miles SSE Liberty MS

Flood Watch June 17, 02:17am until June 19, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 17, 02:17am until June 19, 07:00am

    NOW until 7:00am Fri

    Flood Watch

  • Overnight

    Low: 72 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 7am.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 85. South wind 5 to 10 mph, with gusts as high as 25 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    T-storms and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am.  Low around 74. Breezy, with a south wind 15 to 20 mph decreasing to 5 to 10 mph.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 74 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 2pm, then showers and thunderstorms likely, mainly between 2pm and 3pm. Some of the storms could produce heavy rainfall.  High near 86. South wind around 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%.

    High: 86 °F

    Showers then
    Heavy Rain

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 76. South wind around 5 mph.  Chance of precipitation is 40%.

    Low: 76 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Showers and possibly a thunderstorm.  High near 90. Southwest wind around 5 mph.  Chance of precipitation is 80%.

    High: 90 °F

    Showers then
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm.  Partly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.  Chance of precipitation is 70%.

    High: 89 °F

    Showers
    Likely then
    T-storms
    Likely

Detailed Forecast

Overnight
A 10 percent chance of showers after 5am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 72. Calm wind becoming south around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 7am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 85. South wind 5 to 10 mph, with gusts as high as 25 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 74. Breezy, with a south wind 15 to 20 mph decreasing to 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Thursday
Showers and possibly a thunderstorm before 2pm, then showers and thunderstorms likely, mainly between 2pm and 3pm. Some of the storms could produce heavy rainfall. High near 86. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 76. South wind around 5 mph. Chance of precipitation is 40%.
Juneteenth
Showers and possibly a thunderstorm. High near 90. Southwest wind around 5 mph. Chance of precipitation is 80%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Calm wind.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm.
Sunday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. South wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 75. South wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 93. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 75. Southwest wind around 5 mph.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming west around 5 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Liberty MS
 31.12°N 90.78°W
2:02 am CDT Jun 17, 2026
2am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
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Additional Resources

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