Monitoring Tsunami Impacts Across the Pacific; Air Quality Concerns; Dangerous Heat; Critical Fire Weather for the West

Tsunami impacts continue for portions of the Pacific basin. Wildfire smoke causes unhealthy air in Midwest to Great Lakes. Heat dome spans Mississippi Valley to Mid-Atlantic with excessive heat warnings and advisories. Critical fire weather in Great Basin to Pacific Northwest (dry thunderstorms). Cold front spawns severe storms/heavy rain in Central U.S. today, shifts to East Coast Thursday. 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.

Fair

92°F

33°C

Humidity	60%
Wind Speed	NW 5 mph
Barometer	30.01 in (1015.4 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	105°F (41°C)
Last update	30 Jul 11:53 am CDT

More Information:

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

Extended Forecast for

9 Miles ENE Norwood LA

Heat Advisory July 31, 11:00am until July 31, 07:00pm

Heat Advisory July 30, 12:13pm until July 30, 07:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 30, 12:13pm until July 30, 07:00pm
NOW until 7:00pm Wed
Heat Advisory
This Afternoon
High: 90 °F
T-storms
Likely
Tonight
Low: 74 °F
T-storms
Likely then
Partly Cloudy
Thursday
High: 95 °F
Slight Chance
T-storms then
T-storms
Likely
Thursday Night
Low: 74 °F
Partly Cloudy
Friday
High: 95 °F
Slight Chance
T-storms then
T-storms
Likely
Friday Night
Low: 73 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 93 °F
Mostly Sunny
then T-storms
Likely
Saturday Night
Low: 72 °F
Slight Chance
T-storms

Detailed Forecast

This Afternoon

Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a steady temperature around 90. Heat index values as high as 110. North wind around 5 mph becoming calm. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 74. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Thursday

A slight chance of showers, then showers and thunderstorms likely after 10am. Mostly sunny and hot, with a high near 95. Heat index values as high as 110. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Partly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm.

Friday

A slight chance of showers, then showers and thunderstorms likely after 10am. Sunny and hot, with a high near 95. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 60%.

Friday Night

A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 73. Northwest wind around 5 mph becoming calm. Chance of precipitation is 30%.

Saturday

Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 93. North wind around 5 mph. Chance of precipitation is 70%.

Saturday Night

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. North wind around 5 mph becoming calm.

Sunday

A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Calm wind becoming north around 5 mph in the afternoon.

Sunday Night

Partly cloudy, with a low around 73. North wind around 5 mph becoming calm.

Monday

A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming east around 5 mph in the afternoon.

Monday Night

Mostly clear, with a low around 72. Southeast wind around 5 mph becoming calm.