Lake Arthur, Louisiana Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Lake Arthur weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Heavy Showers54%0.68″94°76°—
- MondayJul 6Light Drizzle22%0.02″92°76°-2°
- TuesdayJul 7T-storm w/ Hail63%—91°74°-1°
- WednesdayJul 8Light Showers22%—96°75°+5°
- ThursdayJul 9Overcast13%—94°77°-2°
- FridayJul 10Mostly Clear13%—94°77°0°
- SaturdayJul 11Overcast33%—93°77°-1°
AQI 38 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 5.3 µg/m³ (AQI 29) with a 0.74 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 5.3 µg/m³ (AQI 29) with a 0.74 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.74
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:23 PM
- Moonset
- 11:26 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Lake Arthur at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: February 15 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 70549
16-Day Forecast — Lake Arthur
- Sun96°78°54%
- Mon92°76°22%
- Tue91°74°63%
- Wed96°75°22%
- Thu94°77°13%
- Fri94°77°13%
- Sat93°77°33%
- Sun82°75°52%
- Mon86°74°51%
- Tue92°74°33%
- Wed95°75°28%
- Thu94°77°46%
- Fri95°77°42%
- Sat95°81°39%
- Sun92°79°43%
- Mon93°77°47%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Lake Arthur
SPC includes Lake Arthur in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Lake Arthur
- 70549