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 >

Current conditions at

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

Lat: 31.18°NLon: 90.47°WElev: 413ft.

Mostly Cloudy

73°F

23°C

Humidity 96%
Wind Speed S 3 mph
Barometer 29.89 in (1011.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 16 Jun 11:53 pm CDT
Extended Forecast for

3 Miles SW Chatawa MS

Flood Watch June 17, 12:36am until June 19, 07:00am
Flood Warning June 17, 07:00pm until June 18, 07:00am
Click here for hazard details and duration
Flood Watch
Flood Warning
  •  
    Flood Watch June 17, 12:36am 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 9am.  Otherwise, partly sunny, with a high near 86. South wind 5 to 15 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: 86 °F

    Chance
    T-storms and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9pm.  Low around 74. Breezy, with a south wind 15 to 20 mph decreasing to 10 to 15 mph. Winds could gust as high as 30 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 thunderstorms, mainly after 5pm. Some of the storms could produce heavy rainfall.  High near 85. South wind around 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 100%.

    High: 85 °F

    Showers then
    Heavy Rain

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am.  Low around 75. South wind 5 to 10 mph.  Chance of precipitation is 80%.

    Low: 75 °F

    T-storms then
    Showers
    Likely

  • Juneteenth

    Juneteenth: Showers likely and possibly a thunderstorm, then showers and thunderstorms after 1pm.  High near 90. Southwest wind around 5 mph.  Chance of precipitation is 80%.

    High: 90 °F

    Showers
    Likely 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 3am. 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 9am. Otherwise, partly sunny, with a high near 86. South wind 5 to 15 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
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9pm. Low around 74. Breezy, with a south wind 15 to 20 mph decreasing to 10 to 15 mph. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Thursday
Showers and thunderstorms, mainly after 5pm. Some of the storms could produce heavy rainfall. High near 85. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Thursday Night
Showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Low around 75. South wind 5 to 10 mph. Chance of precipitation is 80%.
Juneteenth
Showers likely and possibly a thunderstorm, then showers and thunderstorms after 1pm. 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. Southeast wind around 5 mph becoming calm.
Sunday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Light south wind increasing to 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 75. South wind around 5 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 becoming calm in the evening.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming southwest around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Chatawa MS
 31.07°N 90.57°W
11:16 pm CDT Jun 16, 2026
12am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
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Additional Resources

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