Simpson, Louisiana Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Simpson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Thunderstorm29%0.10″91°73°—
- MondayJul 6Overcast50%—91°74°0°
- TuesdayJul 7Drizzle34%—94°71°+3°
- WednesdayJul 8Light Drizzle10%—95°73°+1°
- ThursdayJul 9Mostly Clear——98°74°+3°
- FridayJul 10Overcast12%—95°74°-3°
- SaturdayJul 11Overcast21%—95°73°0°
AQI 53 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 11.9 µg/m³ (AQI 56) with a 0.86 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 11.9 µg/m³ (AQI 56) with a 0.86 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.86
- 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
- 11:25 PM
- Moonset
- 11:27 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Simpson at a glance
- Today vs. normal: 7°F below the seasonal normal for this latitude
- Last frost: February 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 71474
15-Day Forecast — Simpson
- Sun91°73°29%
- Mon91°74°50%
- Tue94°71°34%
- Wed95°73°10%
- Thu98°74°6%
- Fri95°74°12%
- Sat95°73°21%
- Sun85°73°35%
- Mon96°72°37%
- Tue98°73°24%
- Wed102°75°10%
- Thu95°72°19%
- Fri89°74°23%
- Sat92°72°23%
- Sun80°73°26%
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 — Simpson
SPC has placed Simpson in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Simpson
- 71474