First of two storms this week has arrived in Lake Tahoe

SOUTH LAKE TAHOE, CALIF. - The first of two storms due to hit Lake Tahoe this week has arrived. This current storm will head out Monday night with the next one due Wednesday through Friday.

Chain controls are up on most mountain roads as of 8:20 a.m. on Feb. 26:

R1 controls: Chains are required - snow tread tires allowed

R2 controls: Chains are required on all vehicles except four wheel drive vehicles with snow tires on all four wheels

HWY50 - R2 FREDS TO MEYERS^ SPLIT CONTROLS
HWY50 - R2 PLACERVILLE TO FRESH POND
SR88 R2 FRM SILVER LAKE TO CRYSTAL SPRINGS
SR88 R1 IRON MOUNTAIN TO SILVER LAKE
SR88 R2 FRM PEDDLER VISTA TO IRON MOUNTAIN RD
SR88 R1 FROM OK CORRAL TO PEDDLER VISTA
I-80 R2 COLFAX TO TRUCKEE ,MAX TRUCK REQUIREMENTS
SR88 R2 FROM MARTIN MEADOW TO PICKETS JUNCTION
SR89 R2 FROM PICKETS JUNCTION TO CHRISTMAS
SR267 R1 FROM BYPASS TO NORTHSAR ^- NORTHSTAR TO KINGSBEACH
SR89N R1 CROSSER DAM RD TO SIERRA PLUMAS CL
SR89S R1 BLISS TO TRUCKEE WEST RIVER
SR207 R1 US 50 UNCTION TO MILE POST 7.0 IN DOUGLAS COUNTY IN NEVADA
SR431 R1 FAIRVIEW BLVD TO DOUGLAS FIR DRIVE IN NEVADA

For up to the minute conditions visit http://quickmap.dot.ca.gov/ for California roads and http://nvroads.com/ for all Nevada roads.

Plan on difficult driving conditions throughout the day on Monday. There is a winter weather advisory in effect until 10:00 p.m. tonight. Total snow accumulations of 6"-12" with up to 16" in higher elevations. The heaviest snowfall is expected before noon with steady snow continuing through this evening.

Forecast for South Lake Tahoe from the National Weather Service in Reno:

Today - Snow. High near 29. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 4 to 8 inches possible.

Tonight - Snow showers, mainly before 10pm. Low around 8. Northeast wind 10 to 15 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Tuesday - Sunny, with a high near 30. Northeast wind around 5 mph.

Tuesday Night - Partly cloudy, with a low around 9. East wind around 5 mph becoming calm in the evening.

Wednesday - A slight chance of snow showers between 10am and 4pm, then a chance of snow after 4pm. Partly sunny, with a high near 37. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Wednesday Night - Snow likely, mainly after 10pm. Cloudy, with a low around 27. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

Thursday - Snow. High near 36. Breezy. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Thursday Night - Snow. Cloudy, with a low around 21. Breezy.

Friday - Snow. Cloudy, with a high near 26. Breezy.

Friday Night - Snow likely, mainly before 4am. Mostly cloudy, with a low around 18. Breezy.

Saturday - A chance of snow showers. Partly sunny, with a high near 31.

Saturday Night - A chance of snow showers. Mostly cloudy, with a low around 16.

Sunday - A slight chance of snow showers. Partly sunny, with a high near 37.