Active National Weather Service alert for Mer Rouge, Louisiana 71261: Heat Advisory. Heat Advisory issued August 23 at 12:49PM CDT until August 23 at 8:00PM CDT by NWS Jackson MS Until Sun, 8:00 PM CDT.
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Mer Rouge, Louisiana 71261 weather, straight from the source.

Current conditions, official National Weather Service forecasts and alerts, rain timing, local radar, air quality, wind, humidity, sunrise, sunset, and the latest reported update for Mer Rouge, Louisiana 71261. Always follow local warnings and emergency instructions.

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Weather guidance for your areaPlan with the complete forecast

Use current official weather information for Mer Rouge, Louisiana 71261 before making weather-sensitive plans.

Safety guides

Weather status

Heat Advisory

Heat Advisory issued August 23 at 12:49PM CDT until August 23 at 8:00PM CDT by NWS Jackson MS Expires Sun, 8:00 PM CDT.

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What’s next

Hourly forecast

Mer Rouge, Louisiana 71261

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Mer Rouge, Louisiana 71261. Forecasts and alerts update from NOAA and the National Weather Service.

91°Mostly Clear0% rain
86°Mostly Clear0% rain
82°Mostly Clear0% rain
80°Partly Cloudy0% rain
79°Partly Cloudy0% rain
78°Partly Cloudy0% rain
77°Partly Cloudy0% rain
76°Partly Cloudy1% rain

Next 24 hours

Rain Timeline

Highest chance 25%

Scattered precipitation is possible. The highest official hourly chance is 25%; check the radar before heading out.

0%None
0%None
0%None
0%None
0%None
0%None
0%None
1%None
1%None
3%None
4%None
6%None
9%None
15%Rain
23%Rain
25%Thunderstorms
25%Thunderstorms
25%Thunderstorms
21%Thunderstorms
24%Thunderstorms
22%Thunderstorms
20%Thunderstorms
16%Thunderstorms
12%None

Official NWS outlook

7-Day Forecast

High / low temperatures

Today

! NWS
91°73°

Partly Cloudy

Precipitation
4%
Wind
0 mph
Sunrise
6:37 AM
Sunset
7:45 PM

Mon

96°74°

Chance Showers And Thunderstorms

Precipitation
31%
Wind
0 mph
Sunrise
6:37 AM
Sunset
7:43 PM

Tue

97°74°

Chance Showers And Thunderstorms

Precipitation
28%
Wind
0 mph
Sunrise
6:38 AM
Sunset
7:42 PM

Wed

97°73°

Slight Chance Showers And Thunderstorms

Precipitation
52%
Wind
SW 0 to 5 mph
Sunrise
6:39 AM
Sunset
7:41 PM

Thu

95°71°

Chance Showers And Thunderstorms

Precipitation
52%
Wind
0 mph
Sunrise
6:39 AM
Sunset
7:40 PM

Fri

95°70°

Mostly Sunny

Precipitation
13%
Wind
0 mph
Sunrise
6:40 AM
Sunset
7:39 PM

Sat

96°70°

Sunny

Precipitation
7%
Wind
0 mph
Sunrise
6:41 AM
Sunset
7:37 PM

Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.

Weather for a healthier day

Healthy Weather

Real Feel101°F
Walking is not recommended now

Current official weather conditions may be unsafe for this activity.

WindCalm0 mph
Best walk timeBetter weather window: 8 PM–10 PM

Walking: 0% average rain chance, near 84°F. Review the active Heat Advisory.

Official EPA AirNowLocal air qualityMer Rouge, Louisiana 71261
View AQI +
More weather details
Wind gustsNot reported
Rain now0%next hour
Humidity51%current
UV indexCheckingEPA forecast

Wind impact: Light wind with little expected outdoor impact.

Full Healthy Weather guides and reminders →

“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.

Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure29.93 in
Visibility
Peak rain chance25%
Dew point72°F
Active alerts1

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Active NWS alerts

Weather safety ↗

Moderate · Expected

Heat Advisory

Applies to: Ashley; Chicot; Morehouse; West Carroll; East Carroll; Richland; Madison; Franklin; Catahoula; Tensas; Concordia; Bolivar; Sunflower; Leflore; Washington; Humphreys; Holmes; Issaquena; Sharkey; Yazoo; Madison; Warren; Hinds; Rankin; Claiborne; Copiah; Simpson; Smith; Jasper; Clarke; Jefferson; Adams; Franklin; Lincoln; Lawrence; Jefferson Davis; Covington; Jones; Marion; Lamar; ForrestIssued by: NWS Jackson MSHeat Advisory issued August 23 at 12:49PM CDT until August 23 at 8:00PM CDT by NWS Jackson MS
Alert details* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central, east central, north central, northwest, south central, southeast, southwest, and west central Mississippi. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat related illnesses.
Safety instructionsDrink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
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