National Weather Service

News Headlines

2025 NWS Jackson/Mississippi Tornado Information and Upcoming Damage Survey Plans
Accepting Applicants for the Fall 2025-Spring 2026 Virtual Student Volunteer Program Through September 10th

Hazardous Weather Conditions

Heat Advisory until August 18, 08:00 PM CDT

Current conditions at

Meridian, Meridian Naval Air Station - McCain Field (KNMM)

Lat: 32.55°NLon: 88.56°WElev: 318ft.

Partly Cloudy

92°F

33°C

Humidity	54%
Wind Speed	Vrbl 5 mph
Barometer	30.01 in (1016.8 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	101°F (38°C)
Last update	18 Aug 11:56 am CDT

More Information:

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

Extended Forecast for

7 Miles NNW Preston MS

Heat Advisory August 18, 12:57pm until August 18, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 18, 12:57pm until August 18, 08:00pm
NOW until 8:00pm Mon
Heat Advisory
This Afternoon
High: 95 °F
Slight Chance
T-storms
Tonight
Low: 74 °F
Slight Chance
T-storms then
Mostly Clear
Tuesday
High: 96 °F
Sunny
Tuesday Night
Low: 73 °F
Mostly Clear
Wednesday
High: 96 °F
Sunny then
Chance
T-storms
Wednesday Night
Low: 72 °F
Slight Chance
T-storms then
Slight Chance
Showers
Thursday
High: 92 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 71 °F
Chance
T-storms

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 95. Heat index values as high as 103. Northeast wind around 5 mph.

Tonight

A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74. East northeast wind around 5 mph becoming calm.

Tuesday

Sunny, with a high near 96. Heat index values as high as 102. Calm wind becoming east around 5 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 73. East wind around 5 mph becoming calm.

Wednesday

A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 96. Calm wind becoming northeast around 5 mph in the afternoon.

Wednesday Night

A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 72. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

Thursday

A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Calm wind becoming north northeast around 5 mph in the morning.

Thursday Night

A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. North wind around 5 mph becoming calm.

Friday

A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90. Calm wind becoming northeast around 5 mph in the afternoon.

Friday Night

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71.

Saturday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

Saturday Night

Partly cloudy, with a low around 70.

Sunday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.