Slidell, Louisiana Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Slidell weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle14%—94°76°—
- SundayJul 5Heavy Rain29%1.5″90°74°-4°
- MondayJul 6T-storm w/ Hail57%—92°75°+2°
- TuesdayJul 7Light Showers50%—92°77°0°
- WednesdayJul 8Thunderstorm19%—95°76°+3°
- ThursdayJul 9Overcast12%—95°78°0°
- FridayJul 10Clear14%—94°79°-1°
AQI 50 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 65 now. With UV 8.5 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 52 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 65 now. With UV 8.5 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 52 around 1 PM.
- Present
- AQI 65
- UV peak
- 8.5 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 52
PM × Wind × Precip
PM2.5 at 13.5 µg/m³ (AQI 59) with a 0.78 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.78
- 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
- 10:42 PM
- Moonset
- 10:14 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Slidell at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: February 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 70458, 70460, 70461
16-Day Forecast — Slidell
- Sat94°76°14%
- Sun90°74°29%
- Mon92°75°57%
- Tue92°77°50%
- Wed95°76°19%
- Thu95°78°12%
- Fri94°79°14%
- Sat95°78°16%
- Sun97°77°35%
- Mon94°78°30%
- Tue92°74°26%
- Wed91°75°26%
- Thu82°73°42%
- Fri86°69°35%
- Sat92°74°35%
- Sun94°75°31%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Slidell
Right now in the garden
Peak growing season
As of July 4, 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 — Slidell
SPC includes Slidell 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 Slidell
- 70460
- 70458
- 70459
- 70469