Current forecastStart with the hourly forecastCheck when rain, wind, and temperature changes overlap your plans.
Open→Weather guidance for your areaPlan with the complete forecast
Safety guides Use current official weather information for Port Sulphur, Louisiana 70083 before making weather-sensitive plans.
Live weatherCheck live radar before leavingUse radar with the forecast to see how precipitation is moving.
Open→Safety guideReview official safety guidancePrepare for storms, flooding, heat, cold, and other hazards.
Open→Healthy weatherInclude air quality in outdoor plansUse official EPA information when planning time outside.
Open→Weather status
Heat Advisory
Heat Advisory issued August 23 at 11:51AM CDT until August 23 at 8:00PM CDT by NWS New Orleans LA Expires Sun, 8:00 PM CDT.
Official NOAA / NWSWSR-88D DopplerUpdates every 5 minutes
Live Doppler radar
Animated Multi-Radar/Multi-Sensor reflectivity from the National Weather Service’s network of Doppler radars. Search a U.S. city, ZIP code, or street address to center the map on local weather, then zoom to neighborhood street detail.
Live radar is ready when you need it.
The interactive map stays off until opened to keep forecasts fast.
After loading, MyUSA.us shows the exact Doppler frame time, refresh controls, and an official NWS fallback if the map is unavailable.Doppler radar and warnings: NOAA/National Weather Service · Map: OpenFreeMap, OpenMapTiles and OpenStreetMap contributors. Radar can be delayed briefly during service updates.
MyUSA.us is not affiliated with or endorsed by NOAA or the National Weather Service. For life-threatening weather, follow official NWS alerts and local authorities.
What’s next
Hourly forecast
Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Port Sulphur, Louisiana 70083. Forecasts and alerts update from NOAA and the National Weather Service.
92°Sunny14% rain
92°Mostly Sunny11% rain
90°Slight Chance Showers And Thunderstorms15% rain
88°Partly Cloudy14% rain87°Partly Cloudy13% rain86°Partly Cloudy5% rain85°Partly Cloudy1% rain85°Partly Cloudy2% rainNext 24 hours
Rain Timeline
Scattered precipitation is possible. The highest official hourly chance is 32%; check the radar before heading out.
14%None
11%None
15%Thunderstorms
14%None
13%None
5%None
1%None
2%None
4%None
4%None
1%None
2%None
2%None
4%None
4%None
3%None
5%None
6%None
5%None
5%None
6%None
18%Thunderstorms
23%Thunderstorms
32%Thunderstorms
Official NWS outlook
7-Day Forecast
Today
! NWS94°81°
Sunny
- Precipitation
- 15%
- Wind
- S 5 mph
- Sunrise
- 6:32 AM
- Sunset
- 7:33 PM
Mon
93°79°
Mostly Sunny then Chance Showers And Thunderstorms
- Precipitation
- 36%
- Wind
- W 5 mph
- Sunrise
- 6:33 AM
- Sunset
- 7:31 PM
Tue
90°79°
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
- Precipitation
- 71%
- Wind
- NW 5 mph
- Sunrise
- 6:33 AM
- Sunset
- 7:30 PM
Wed
90°78°
Chance Showers And Thunderstorms
- Precipitation
- 51%
- Wind
- W 5 mph
- Sunrise
- 6:34 AM
- Sunset
- 7:29 PM
Thu
91°77°
Showers And Thunderstorms Likely
- Precipitation
- 58%
- Wind
- SW 0 to 5 mph
- Sunrise
- 6:34 AM
- Sunset
- 7:28 PM
Fri
90°77°
Chance Showers And Thunderstorms
- Precipitation
- 53%
- Wind
- SW 0 to 5 mph
- Sunrise
- 6:35 AM
- Sunset
- 7:27 PM
Sat
91°78°
Chance Showers And Thunderstorms
- Precipitation
- 38%
- Wind
- NE 0 to 5 mph
- Sunrise
- 6:36 AM
- Sunset
- 7:26 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 Feel106°F
Walking is not recommended now
Current official weather conditions may be unsafe for this activity.
WindS6 mph
Best walk timeBetter weather window: 2 AM–4 AM
Walking: 2% average rain chance, near 84°F, with winds near 5 mph. Review the active Heat Advisory.
Official EPA AirNowLocal air qualityPort Sulphur, Louisiana 70083View AQI +
More weather details
Wind gustsNot reported
Rain now14%next hour
Humidity51%current
UV indexCheckingEPA forecast
Wind impact: Light wind with little expected outdoor impact.
“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
Pressure29.94 in
Visibility7.0 mi
Peak rain chance32%
Dew point74°F
Active alerts1
Official risk outlooks
These national tools add expert storm, heavy-rain and flooding context to your local forecast.
Loading nearby traffic cameras…
Official tropical weather
Hurricane center
NOAA National Hurricane Center updates, outlooks, and storm resources in one place.
NOAA / NHC Atlantic
Hurricane center
Official Atlantic, Caribbean, and Gulf updatesSimple, useful help
Weather safety guides
Quick answers for heat, storms, flooding and hurricane preparation—kept separate so your main weather page stays clean.
Stay weather-ready
Active NWS alerts
Moderate · Expected