National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the Pacific Northwest through late Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Hazardous Weather Conditions

Current Conditions

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Slidell LA

7 Day Forecast

Tonight

Patchy Fog

Patchy
Fog

Low: 12 °C

Monday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 21 °C

Monday
Night

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

Low: 17 °C

Tuesday

Thunderstorms Chance for Measurable Precipitation 80%

Thunderstorms

High: 21 °C

Tuesday
Night

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

Low: 9 °C

Wednesday

Breezy

Breezy

High: 13 °C

Wednesday
Night

Mostly Clear

Mostly
Clear

Low: 3 °C

Christmas
Day

Sunny

Sunny

High: 13 °C

Thursday
Night

Mostly Clear

Mostly
Clear

Low: 7 °C

Detailed Forecast

  • Tonight Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 12. East wind 5 to 10 km/h becoming southeast after midnight.
  • Monday A slight chance of showers between 11am and noon, then a slight chance of showers and thunderstorms after noon. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 21. South wind 5 to 15 km/h. Chance of precipitation is 20%.
  • Monday Night A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 17. South wind 10 to 15 km/h.
  • Tuesday Showers and thunderstorms. High near 21. South wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 2 and 3 cm possible.
  • Tuesday Night Showers and thunderstorms likely before midnight, then a slight chance of showers. Mostly cloudy, with a low around 9. South wind 15 to 25 km/h becoming west after midnight. Chance of precipitation is 60%.
  • Wednesday Mostly sunny, with a high near 13. Breezy.
  • Wednesday Night Mostly clear, with a low around 3.
  • Christmas Day Sunny, with a high near 13.
  • Thursday Night Mostly clear, with a low around 7.
  • Friday A slight chance of showers. Partly sunny, with a high near 19.
  • Friday Night A slight chance of showers. Mostly cloudy, with a low around 11.
  • Saturday A slight chance of showers. Mostly cloudy, with a high near 17.
  • Saturday Night A slight chance of showers. Mostly cloudy, with a low around 4.
  • Sunday Partly sunny, with a high near 13.