Weather World
Slidell, TX Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Slidell Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  | | | | | | | | | | |
| Sunny | Clear | Sunny | Clear | Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear | Sunny | Mostly Clear |
| Hi: 102°FHi: 39°C | Lo: 75°FLo: 24°C | Hi: 100°FHi: 38°C | Lo: 75°FLo: 24°C | Hi: 100°FHi: 38°C | Lo: 75°FLo: 24°C | Hi: 100°FHi: 38°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 207 AM CDT Sat Sep 12 2026 
Slidell Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Slidell Weather Map
Slidell Quick Facts
Slidell Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 115 AM CDT Sat Sep 12 2026
Key Messages
- A Heat Advisory is in effect for most of North and Central Texas this afternoon. Heat indices of up to 107 can be expected.
- Isolated showers and thunderstorms will be possible east of I-35 this afternoon.
- Above-average temperatures will continue into next week.
Aviation
... (06Z TAFS) Issued at 114 AM CDT Sat Sep 12 2026
VFR conditions with southerly flow around 10 kts and a few diurnal cumulus of bases 6-8 kft are expected for the day on Saturday.
Isolated showers and thunderstorms will...