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

78°F

26°C

Humidity	93%
Wind Speed	S 9 mph
Barometer	29.86 in (1010.7 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	17 Jun 8:53 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

6 Miles NNE Mount Hermon LA

Flood Watch June 17, 09:21am until June 19, 07:00am

Flood Warning June 18, 09:42am until June 21, 04:00am

Click here for hazard details and duration

Flood Watch

Flood Warning

Flood Watch June 17, 09:21am until June 19, 07:00am
NOW until 7:00am Fri
Flood Watch
Today
High: 86 °F
Chance
T-storms and
Patchy Fog
Tonight
Low: 74 °F
Showers and
Breezy
Thursday
High: 87 °F
Showers then
T-storms
Thursday Night
Low: 76 °F
Chance
T-storms then
Chance
Showers
Juneteenth
High: 91 °F
Showers then
T-storms
Friday Night
Low: 74 °F
Showers
Likely
Saturday
High: 90 °F
Showers
Likely then
T-storms
Likely
Saturday Night
Low: 75 °F
Slight Chance
T-storms

Detailed Forecast

Today

A 40 percent chance of showers and thunderstorms. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 86. South wind 5 to 10 mph, with gusts as high as 20 mph.

Tonight

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 74. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph. Chance of precipitation is 80%. New rainfall amounts between 2 and 3 inches possible.

Thursday

Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 87. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

Thursday Night

A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 76. South wind around 5 mph.

Juneteenth

Showers and possibly a thunderstorm. High near 91. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 80%.

Friday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 60%.

Saturday

Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Mostly cloudy, with a high near 90. Calm wind becoming southwest around 5 mph. Chance of precipitation is 70%.

Saturday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Calm wind.

Sunday

A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92. Light south wind becoming southwest 5 to 10 mph in the morning.

Sunday Night

Partly cloudy, with a low around 75. South wind around 5 mph.

Monday

Mostly sunny and hot, with a high near 95. Southwest wind 5 to 10 mph.

Monday Night

Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm.

Tuesday

A chance of showers and thunderstorms. Sunny and hot, with a high near 95. Calm wind becoming west around 5 mph in the afternoon.