Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Flash flood dangers far from over as storms reload across US. Details here Chevron right
Tropical rainstorm soaks Florida, could strengthen in Gulf before targeting Louisiana Chevron right

Mermentau, LA

91°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Mermentau

Louisiana

91°
No results found.
Try searching for a city, zip code or point of interest.
settings
Mermentau, LA Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Today Hourly

Daily

Radar MinuteCast Monthly Air Quality Health & Activities
2
Flood Watch

July 16 - August 29

Wed 7/16

94° /77°
4%
Sunshine mixing with clouds

RealFeel®110°

RealFeel Shade™102°

Max UV Index12 (Extreme)

WindW 5 mph

Thu 7/17

86° /75°
99%
A couple of heavy showers and thunderstorms from tropical rainstorm; heavy downpours can reduce visibility and cause ponding on streets and highways
alerts

Flood Watch

7:00 AM Thursday - 7:00 PM Saturday

RealFeel®99°

RealFeel Shade™93°

Max UV Index6 (High)

WindW 7 mph

Fri 7/18

83° /76°
98%
A couple of heavy showers and thunderstorms from tropical rainstorm; watch for flash flooding
alerts

Flood Watch

7:00 AM Thursday - 7:00 PM Saturday

RealFeel®94°

RealFeel Shade™90°

Max UV Index3 (Moderate)

WindSW 7 mph

Sat 7/19

88° /75°
80%
Cloudy and humid with a thunderstorm
alerts

Flood Watch

7:00 AM Thursday - 7:00 PM Saturday

RealFeel®104°

RealFeel Shade™96°

Max UV Index6 (High)

WindSW 5 mph

Sun 7/20

91° /76°
6%
Partly sunny and humid

RealFeel®107°

RealFeel Shade™98°

Max UV Index12 (Extreme)

WindSW 8 mph

Mon 7/21

89° /75°
40%
Partly sunny and humid with a shower in places

RealFeel®106°

RealFeel Shade™96°

Max UV Index12 (Extreme)

WindSW 7 mph

Tue 7/22

92° /74°
4%
Mostly sunny and humid

RealFeel®110°

RealFeel Shade™99°

Max UV Index12 (Extreme)

WindSW 5 mph

Wed 7/23

89° /75°
40%
A shower in spots in the morning; otherwise, intervals of clouds and sunshine

RealFeel®108°

RealFeel Shade™100°

Max UV Index12 (Extreme)

WindSW 4 mph

Thu 7/24

88° /74°
72%
Considerable cloudiness with a couple of thunderstorms, especially late in the day

RealFeel®101°

RealFeel Shade™96°

Max UV Index4 (Moderate)

WindWSW 4 mph

Fri 7/25

89° /74°
57%
Cloudy with a couple of thunderstorms

RealFeel®101°

RealFeel Shade™98°

Max UV Index3 (Moderate)

WindS 2 mph

Sat 7/26

88° /75°
39%
Partly sunny with a thunderstorm in spots

RealFeel®104°

RealFeel Shade™100°

Max UV Index11 (Extreme)

WindWSW 4 mph

Sun 7/27

90° /75°
56%
Sunny to partly cloudy; a thunderstorm in spots in the morning followed by a passing shower in the afternoon

RealFeel®106°

RealFeel Shade™99°

Max UV Index11 (Extreme)

WindWSW 4 mph

Mon 7/28

88° /74°
40%
A morning shower in places; otherwise, mostly sunny

RealFeel®106°

RealFeel Shade™98°

Max UV Index11 (Extreme)

WindSW 4 mph

Tue 7/29

92° /76°
10%
Sunshine

RealFeel®107°

RealFeel Shade™100°

Max UV Index11 (Extreme)

WindSW 5 mph

Wed 7/30

88° /76°
25%
Partly sunny and humid

RealFeel®106°

RealFeel Shade™97°

Max UV Index11 (Extreme)

WindS 2 mph

Thu 7/31

89° /75°
25%
Humid with a blend of sun and clouds

RealFeel®107°

RealFeel Shade™100°

Max UV Index11 (Extreme)

WindSE 2 mph

Fri 8/1

88° /76°
25%
Humid with a blend of sunshine and clouds

RealFeel®106°

RealFeel Shade™100°

Max UV Index11 (Extreme)

WindSSE 2 mph

Sat 8/2

88° /76°
25%
Humid with intervals of clouds and sunshine

RealFeel®103°

RealFeel Shade™101°

Max UV Index4 (Moderate)

WindESE 1 mph

Sun 8/3

90° /75°
20%
Humid with more sunshine than clouds

RealFeel®106°

RealFeel Shade™101°

Max UV Index11 (Extreme)

WindWNW 2 mph

Mon 8/4

91° /76°
64%
Sun giving way to increasing clouds and humid; a couple of showers and a thunderstorm in the afternoon

RealFeel®107°

RealFeel Shade™102°

Max UV Index11 (Extreme)

WindSW 2 mph

Tue 8/5

90° /76°
40%
Mostly cloudy and humid; a thunderstorm in spots in the afternoon

RealFeel®104°

RealFeel Shade™103°

Max UV Index4 (Moderate)

WindNNE 1 mph

Wed 8/6

89° /75°
58%
A couple of morning showers; otherwise, mostly cloudy and humid

RealFeel®103°

RealFeel Shade™102°

Max UV Index4 (Moderate)

WindNNW 1 mph

Thu 8/7

90° /76°
25%
Mostly sunny and humid

RealFeel®107°

RealFeel Shade™102°

Max UV Index11 (Extreme)

WindSW 2 mph

Fri 8/8

90° /76°
20%
Mostly sunny and humid

RealFeel®106°

RealFeel Shade™97°

Max UV Index11 (Extreme)

WindSW 6 mph

Sat 8/9

91° /76°
25%
Mostly cloudy and humid

RealFeel®102°

RealFeel Shade™98°

Max UV Index4 (Moderate)

WindWSW 8 mph

Sun 8/10

87° /76°
70%
Humid with clouds and breaks of sun; showers and thunderstorms in the afternoon

RealFeel®99°

RealFeel Shade™98°

Max UV Index5 (Moderate)

WindW 6 mph

Mon 8/11

88° /76°
70%
Humid with some sunshine giving way to clouds; a morning thunderstorm followed by periods of rain in the afternoon

RealFeel®100°

RealFeel Shade™97°

Max UV Index5 (Moderate)

WindS 2 mph

Tue 8/12

90° /75°
20%
Mostly sunny and humid

RealFeel®105°

RealFeel Shade™97°

Max UV Index11 (Extreme)

WindSW 6 mph

Wed 8/13

89° /75°
25%
Humid with intervals of clouds and sunshine

RealFeel®101°

RealFeel Shade™97°

Max UV Index5 (Moderate)

WindSSW 5 mph

Thu 8/14

90° /76°
25%
Intervals of clouds and sunshine

RealFeel®103°

RealFeel Shade™98°

Max UV Index6 (High)

WindSSW 4 mph

Fri 8/15

90° /76°
40%
Mostly sunny and humid; a thunderstorm in spots in the afternoon

RealFeel®106°

RealFeel Shade™99°

Max UV Index11 (Extreme)

WindSW 2 mph

Sat 8/16

91° /75°
20%
Mostly sunny and humid

RealFeel®108°

RealFeel Shade™100°

Max UV Index11 (Extreme)

WindSW 1 mph

Sun 8/17

90° /76°
20%
Humid with more sun than clouds

RealFeel®106°

RealFeel Shade™98°

Max UV Index11 (Extreme)

WindESE 2 mph

Mon 8/18

90° /76°
40%
Mostly cloudy and humid; a thunderstorm in spots in the afternoon

RealFeel®101°

RealFeel Shade™99°

Max UV Index4 (Moderate)

WindESE 4 mph

Tue 8/19

88° /75°
65%
Mostly cloudy and humid; a couple of afternoon showers and a thunderstorm

RealFeel®102°

RealFeel Shade™98°

Max UV Index5 (Moderate)

WindSSE 4 mph

Wed 8/20

88° /76°
25%
Mostly cloudy and humid

RealFeel®101°

RealFeel Shade™100°

Max UV Index3 (Moderate)

WindSSW 4 mph

Thu 8/21

90° /76°
10%
Mostly sunny and humid

RealFeel®107°

RealFeel Shade™98°

Max UV Index10 (Very High)

WindW 5 mph

Fri 8/22

92° /75°
40%
Mostly sunny and humid; a thunderstorm in spots in the afternoon

RealFeel®109°

RealFeel Shade™101°

Max UV Index10 (Very High)

WindESE 2 mph

Sat 8/23

91° /76°
59%
Humid with partial sunshine; a thunderstorm in the afternoon

RealFeel®105°

RealFeel Shade™104°

Max UV Index9 (Very High)

WindE 1 mph

Sun 8/24

88° /75°
41%
Rather cloudy and humid; a shower in spots in the morning followed by a thunderstorm in spots in the afternoon

RealFeel®97°

RealFeel Shade™94°

Max UV Index4 (Moderate)

WindE 5 mph

Mon 8/25

87° /75°
65%
Cloudy with a couple of showers and a thunderstorm in the afternoon

RealFeel®96°

RealFeel Shade™93°

Max UV Index2 (Low)

WindSE 5 mph

Tue 8/26

87° /74°
64%
Humid with times of clouds and sun; a couple of showers and a thunderstorm in the afternoon

RealFeel®102°

RealFeel Shade™95°

Max UV Index6 (High)

WindSSE 2 mph

Wed 8/27

88° /75°
25%
Mostly cloudy and humid

RealFeel®101°

RealFeel Shade™93°

Max UV Index10 (Very High)

WindNNW 4 mph

Thu 8/28

91° /76°
59%
Humid with sunshine and a few clouds; a passing afternoon shower

RealFeel®101°

RealFeel Shade™96°

Max UV Index10 (Very High)

WindNW 6 mph

Fri 8/29

91° /74°
1%
Sunny

RealFeel®98°

RealFeel Shade™95°

Max UV Index10 (Very High)

WindS 6 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

Grand Canyon fires force closures

15 hours ago

More Stories

Featured Stories

Astronomy

Noctilucent clouds shimmer in summer sky

2 days ago

Recreation

Yellowstone’s landscape shifts again with discovery of new hot pool

2 days ago

Weather News

Orcas are bringing humans gifts of food – but why?

5 days ago

Weather News

Giant shoes found spark mystery around the soldiers of ancient Rome

2 days ago

Weather News

It’s not just humans – chimpanzees also like to follow trends

2 days ago

World North America United States Louisiana Mermentau

Weather Near Mermentau:

  • Lafayette, LA
  • New Iberia, LA
  • Opelousas, LA
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2025 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information

...

...

...