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

76°F

24°C

Humidity 97%
Wind Speed S 8 mph
Barometer 29.86 in (1010.5 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 17 Jun 7:53 am CDT
Extended Forecast for

5 Miles ENE Gloster MS

Flood Watch June 17, 08:20am until June 19, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 17, 08:20am until June 19, 07:00am

    NOW until 7:00am Fri

    Flood Watch

  • Today

    High: 85 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, 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

    Chance
    T-storms and
    Breezy then
    Showers

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 3pm. Some of the storms could produce heavy rainfall.  High near 86. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 86 °F

    Showers then
    Heavy Rain

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am.  Partly 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 and thunderstorms likely, mainly 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

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 75. South wind around 5 mph.

    Low: 75 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, 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.
Tonight
A chance of showers and thunderstorms, 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 thunderstorms, mainly before 3pm. Some of the storms could produce heavy rainfall. High near 86. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly 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 and thunderstorms likely, mainly 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 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 75. South wind around 5 mph.
Sunday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. South wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 76. 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 slight 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:
5 Miles ENE Gloster MS
 31.22°N 90.94°W
5:31 am CDT Jun 17, 2026
8am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

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