Slidell, Louisiana Weather Forecast

St. Tammany County 30.29°N, 89.78°W Pop. 93,040

Today in Slidell: clear skies with a high near 85°F and a low around 64°F. Rain chance 0%. No day tops a 20% rain chance through Saturday. Highs run 76 to 87°F through Saturday.

Forecast updated 9:05 PM CDT, Oct 11

Active Weather Alerts

7-Day Forecast for Slidell

Today 10/11
Clear sky
85°/64°
0%
Mon 10/12
Clear sky
87°/64°
0%
Tue 10/13
Clear sky
87°/66°
0%
Wed 10/14
Clear sky
87°/65°
0%
Thu 10/15
Clear sky
86°/66°
1%
Fri 10/16
Clear sky
87°/67°
6%
Sat 10/17
Clear sky
76°/62°
2%
Hourly charts, 15-day outlook and more for Slidell in Local Wx →

Next 24 Hours

Now10 PM11 PMMon12 AM1 AM2 AM3 AM4 AM5 AM6 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PM
SkyClear skyClear skyClear skyMainly clearMainly clearMainly clearMainly clearMainly clearClear skyMostly sunnyMostly sunnyMostly sunnyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear sky
Temp74°72°71°70°69°69°68°67°66°65°64°67°72°78°82°85°86°87°87°87°84°80°76°75°
Rain0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%
WindSSW 2SSW 3SSW 2SSW 2SW 1WSW 1W 0NW 0N 0N 0N 0N 1N 0NNE 0ESE 1SE 2SSE 3S 3S 4S 5SSE 4SSE 3SSE 3SSE 2

Growing Conditions

Growing degree days
5,427
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
72°F
yesterday, daily average
Reference ET, last 7 days
0.87 in
FAO-56 grass reference
Through Oct 10. Season totals use model analysis for this point and update every morning. Soil, ET and spray tools for Slidell →

Current Stats & Observations

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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.