Slidell, Louisiana Weather Forecast
Today in Slidell: clear skies with a high near 81°F and a low around 54°F. Rain chance 0%. No day tops a 20% rain chance through Thursday. Highs run 77 to 79°F through Thursday.
Forecast updated 9:05 AM CDT, Oct 23
Active Weather Alerts
7-Day Forecast for Slidell
Today 10/23
81°54°
Sat 10/24
77°56°
Sun 10/25
78°54°
Mon 10/26
77°55°
Tue 10/27
77°54°
Wed 10/28
78°54°
Thu 10/29
79°52°
Next 24 Hours
| Now | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | Sat12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sky | | | | | | | | |  | | | | | | | | | | | | | | | |
| Temp | 77° | 79° | 80° | 81° | 80° | 78° | 73° | 68° | 65° | 63° | 62° | 61° | 60° | 59° | 59° | 58° | 58° | 57° | 57° | 56° | 59° | 63° | 69° | 73° |
| Rain | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Wind | ENE 4 | ENE 4 | E 4 | E 5 | ESE 5 | SE 4 | SE 3 | SE 2 | ESE 1 | ESE 1 | E 1 | E 1 | ENE 1 | NE 2 | NE 2 | ENE 3 | ENE 3 | ENE 4 | ENE 5 | ENE 5 | ENE 6 | ENE 6 | ENE 7 | E 9 |
Growing Conditions
Growing degree days
5,642
since Apr 1, base 50°F
Rain, last 30 days
4.76 in
model analysis
Rain, year to date
60.46 in
since Jan 1
2-inch soil temperature
64°F
yesterday, daily average
Reference ET, last 7 days
1.02 in
FAO-56 grass reference
Through Oct 22. Season totals use model analysis for this point and update every morning.
Soil, ET and spray tools for Slidell →
Current Stats & Observations
NWS Forecast
About Slidell Weather
Slidell sits at about 13 feet above sea level in St. Tammany County, Louisiana. About 93,040 people live in the Slidell area. Official forecasts and warnings for the area come from the National Weather Service LIX office, and the nearest NEXRAD radar site is KHDC. The city is in USDA plant hardiness zone 9a, where the coldest winter night typically falls between 20 to 25°F. Over the past ten years the last spring freeze has come around Feb 6 and the first fall freeze around Dec 15.
Nearby Forecasts
New Orleans, LA
Mandeville, LA
Metairie, LA
Kenner, LA
Hammond, LA
Gulfport, MS
Houma, LA
Hattiesburg, MS
Largest Cities in Louisiana
New Orleans, LA
Baton Rouge, LA
Shreveport, LA
Lafayette, LA
Lake Charles, LA
Metairie, LA
Houma, LA
Monroe, LA
Mandeville, LA
Alexandria, LA
All Louisiana forecasts (14) →
All states →
Interactive forecast tools →