Louisiana · NWS LIX office

Slidell, LA weather

It is 54°F and mostly cloudy at Slidell, Slidell Airport as of Oct 28, 4:05 AM CDT. Overnight: Partly Cloudy, low near 53°F. Forecast from the National Weather Service, issued Oct 28, 1:57 AM CDT.

Updated Oct 28, 4:26 AM CDT (snapshot)

Current conditions

Temperature

54°F

Mostly Cloudy

Wind

N 3 mph

Humidity 94% · dew point 52°F

Pressure · visibility

30.17 inHg

Visibility 10 mi

Observed at Slidell, Slidell Airport (KASD), Oct 28, 4:05 AM CDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Slidell forecast zone right now.

Around the NWS LIX forecast area

No active alerts in zones served by the LIX office near Slidell.

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. No alerts are active anywhere in Louisiana.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Slidell (local time)
TimeTempForecastPrecip. chanceWind
Wed 4 AM55°FPartly Cloudy0% 0 mph
Wed 5 AM54°FPartly Cloudy0% 0 mph
Wed 6 AM53°FMostly Sunny0%NE 5 mph
Wed 7 AM53°FSunny0%NE 5 mph
Wed 8 AM55°FSunny0%NE 5 mph
Wed 9 AM60°FSunny0%NE 5 mph
Wed 10 AM68°FSunny0%NE 5 mph
Wed 11 AM73°FSunny0%E 5 mph
Wed 12 PM77°FSunny0%E 5 mph
Wed 1 PM79°FSunny0%E 5 mph
Wed 2 PM79°FMostly Sunny0%E 5 mph
Wed 3 PM80°FSunny0%E 5 mph
Wed 4 PM79°FSunny0%E 5 mph
Wed 5 PM78°FSunny0%E 5 mph
Wed 6 PM74°FClear0% 0 mph
Wed 7 PM66°FMostly Clear0% 0 mph
Wed 8 PM63°FClear0% 0 mph
Wed 9 PM60°FMostly Clear0% 0 mph
Wed 10 PM58°FMostly Clear0% 0 mph
Wed 11 PM57°FMostly Clear0% 0 mph
Thu 12 AM56°FMostly Clear0% 0 mph
Thu 1 AM55°FMostly Clear0% 0 mph
Thu 2 AM54°FMostly Clear0% 0 mph
Thu 3 AM52°FMostly Clear0%NE 5 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Slidell can differ.

7-day forecast

Overnight

Low 53°F

Partly cloudy, with a low around 53. Northeast wind around 0 mph.

Wednesday

High 81°F·Low 50°F

Sunny. High near 81, with temperatures falling to around 78 in the afternoon. East wind around 5 mph.

Wednesday Night: Mostly clear. Low around 50, with temperatures rising to around 52 overnight. Northeast wind 0 to 5 mph.

Thursday

High 82°F·Low 58°F

Sunny, with a high near 82. Northeast wind around 5 mph.

Thursday Night: Partly cloudy, with a low around 58. Northeast wind 0 to 5 mph.

Friday

High 82°F·Low 63°F

Partly sunny, with a high near 82. East wind 5 to 10 mph.

Friday Night: Mostly cloudy, with a low around 63. East wind 0 to 5 mph.

Saturday

High 81°F·Low 64°F

Showers and thunderstorms likely after 7am. Partly sunny, with a high near 81. East wind 5 to 15 mph.

Saturday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 64. East wind 0 to 5 mph.

Sunday

High 81°F·Low 62°F

A chance of showers and thunderstorms. Partly sunny, with a high near 81. East wind 0 to 5 mph.

Sunday Night: A slight chance of rain showers before midnight. Mostly cloudy, with a low around 62. East wind around 0 mph.

Monday

High 81°F·Low 62°F

Partly sunny, with a high near 81. Southeast wind 0 to 10 mph.

Monday Night: A slight chance of rain showers after midnight. Partly cloudy, with a low around 62. Southeast wind 0 to 5 mph.

Tuesday

High 81°F

A chance of rain showers. Partly sunny, with a high near 81. Southeast wind 5 to 10 mph, with gusts as high as 25 mph.

Nearby cities

Larger cities in the area

See every city we cover in Louisiana, or check all active alerts.

About this forecast

Forecast office
Slidell is served by the National Weather Service LIX forecast office, forecast zone LAZ076, county zone LAC103.
Location used
The Census Bureau's internal point for Slidell (30.2889, -89.7829), in St. Tammany Parish. Population: 28,440 (2024 estimate), number 12 of the 17 Louisiana cities on this site.
Radar
Nearest NWS radar: KHDC. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/30.2889,-89.7829 (forecast issued Oct 28, 1:57 AM CDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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