A winter storm moving over Shasta County Wednesday night could drop 3 to 4 inches of snow on Redding and Shasta Lake by Thursday morning, according to the National Weather Service.

A winter storm arrived in Shasta and Siskiyou counties on Thursday, dropping snow from Redding to Yreka and causing delays on Interstate 5.

Interstate 5 north of Redding closed early Wednesday morning after a powerful storm hitting Northern California and other parts in the Pacific Northwest brought rain and snow to the region.

The third cold storm will dump snow on the mountains and high foothills. Mountain snow levels could fall to 4,000 feet by Tuesday, as low as 1,500 feet by Wednesday, Purdue said.

The winter storm warning expires at 11 p.m. Thursday and covers elevations above 3,000 feet in the Shasta County mountains and above 4,000 feet in the Sierra Nevada that could get snow.

Use snow chains on I-5, these North State highways. Chains are required on I-5 north of Redding and through segments of the freeway to Mount Shasta.

A colder storm moves in Wednesday night, bringing more snow to I-5 communities in northern Shasta and Siskiyou counties. Again, Mountain Gate could see a few flakes, but the snow won’t stick ...

More: A dry January, then rain from atmospheric rivers, now snow forecast near Redding Mount Shasta and Yreka CHP offices reported multiple crashes this week due to winter weather. I-5’s ...

Northbound Interstate 5, about 10 miles north of Redding, reopened to traffic after temporarily shutting down due to ice and snow from a storm hitting the region.

Winter weather returns to Redding, Interstate 5 and Highway 299 this week. Snow, rain and strong winds could cause flooding, forecasts say.

T he California-Oregon region is bracing for the first major storm of the season, an atmospheric river that potentially could dump nearly 10 inches of rain on the greater Redding area by the weekend.

Winter weather returns to Redding, Interstate 5 and Highway 299 this week. Snow, rain and strong winds could cause flooding, forecasts say.