PORTLAND -- Burn bans in Oregon takes effect this weekend, with temperatures expected to rise around the state.

Wildfires shut down U.S. 2 in Northern Washington and I-5 in Southern Oregon as forestry officials warned of tinder-dry conditions coming into a hot weekend, with people headed for the campsites.

Restrictions began Friday inClackamas County and take effectSaturday in Washington County.

Oregon Department of Forestry Officials say the NorthRiverRoad Fire was contained and they are building a perimeter around the area. Jackson County Rural Fire District No. 3 Public Information Officer Don Hickman says there are no flames visible at this time.

However, firefighters are worried about winds. It is forecasted that the mountains could have gusts up to 20 mph.

Gov. John Kitzhaber invoked the state's Emergency Conflagration Act on Thursday evening, ordering police and fire officials to send resources to that fire.

Five helicopters and two air tankers dropped water on the blaze before darkness fell Thursday. Spokesman Kevin Weeks says ground crews will be fighting the North River Road Fire overnight.

A Jackson County sheriff's spokeswoman says more than 50 deputies and search and rescue volunteers are helping with voluntary evacuations and roadblocks. Spokeswoman Andrea Carlson said Thursday evening that at least six families had left their homes.

No injuries have been reported. Oregon highway officials say a 10-mile stretch of northbound I-5 was closed for about an hour.

The Oregon Department of Forestry has instituted restrictions on hunting on Northwest Oregon lands.

Some roads in the Tillamook State Forest will be closed to archery and rifle hunters in motor vehicles, though access may be possible on horseback, foot or mountain bike.

List of restricted roads in Tillamook Forest

The restriction also includes prohibitions on smoking, campfires, chain saws, fireworks and mandatory possession of firefighting equipment, and have been extended to state forests of Willamatte Valley counties.

Day-use restrictions

In Central Oregon, fire danger warnings were issued for the Deschutues and Ochoco National Forests that restricts logging, blasting or other industrial usees.

Go here for updates on National Forest alerts

A 15-mile stretch of Highway 2 over the Cascades remained shut down Friday morning as crews continue to fight a wildfire near Leavenworth.

The wildfire has grown to over 200 acres and is burning in the Tumwater Canyon on the Okanogan-Wenatchee National Forest, about six miles north of Leavenworth.

U.S. 2 closed by wildfire near Leavenworth, WA

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