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* WHAT...Snow expected above 4000 feet mainly along the crest and passes of the Cascades. Total snow accumulations of 4 to 10 inches. Lower elevations along the east slopes could see a couple of inches of snow. * WHERE...East Slopes of the Oregon Cascades. * WHEN...From 5 AM Saturday to 11 AM PDT Sunday. * IMPACTS...Travel could be very difficult.

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Mostly the higher terrain of Lake County. This includes the Winter Rim and portions of Highway 31 from Summer Lake to Paisley. It also includes portions of Highway 140 east of Adel. * WHEN...From 5 AM to 5 PM PDT Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...Snow expected above 4000 feet. Total snow accumulations of 3 to 7 inches. Winds gusting as high as 40 mph. * WHERE...The southern Oregon Cascades from Highway 140 northward. This includes Lake of the Woods, Highway 62 and 138 at Crater Lake and Diamond Lake, and portions of highway 58 near Crescent Lake and Willamette Pass. * WHEN...From 2 AM to 11 PM PDT Saturday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...Snow levels will drop quickly overnight Friday and rain will change over to snow during the heaviest precipitation. There is a 70 percent chance for 1 inch an hour snowfall rates for a couple of hours between 4AM and 8AM. Snowfall rates will lighten after that. Temperatures will be very cold Saturday night, and any wet roads in the Cascades could refreeze. * View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

* WHAT...Snow expected above 3500 feet. Total snow accumulations of 4 to 10 inches, except up to 16 inches above 5000 ft. Winds gusting as high as 35 mph. * WHERE...West Slopes of the Northern and Central Oregon Cascades. * WHEN...From 5 AM Saturday to 11 AM PDT Sunday. * IMPACTS...Travel could be very difficult.

* WHAT...Wet snow above 4000 feet. Additional snow accumulations of 2 to 5 inches, heaviest above 4500 feet. * WHERE...North Oregon Cascades and Cascades of Marion and Linn Counties. * WHEN...Until 11 AM PDT this morning. * IMPACTS...Plan on slippery road conditions.

* WHAT...Snow expected. Total snow accumulations of 3 to 8 inches. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 11 AM PDT Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. * ADDITIONAL DETAILS...Lower snow accumulations are forecast along US-97 south of Bend.

* WHAT...Sub-freezing temperatures expected. * WHERE...Harrington, Davenport, Coeur d'Alene, Grand Coulee, Odessa, Wilbur, Creston, Coulee City, Ephrata, Cheney, Airway Heights, Fairfield, Rockford, Quincy, Moses Lake, Othello, Post Falls, Downtown Spokane, Ritzville, Spokane Valley, Hayden, and Worley. * WHEN...Until 9 AM PDT Thursday. * IMPACTS...Morning low temperatures between 30 and 35 are expected across the Columbia Basin, Moses Lake area, and the Spokane/Coeur d'Alene metro. Frost and freeze conditions could damage sensitive garden plants and flowers.

* WHAT...Snow expected above 4000 feet. Total snow accumulations of 3 to 8 inches, heaviest above 5000 feet. * WHERE...North Oregon Cascades and Cascades of Marion and Linn Counties. * WHEN...Until 11 AM PDT Thursday. * IMPACTS...Travel could be very difficult.

* WHAT...Sub-freezing temperatures expected. * WHERE...Ephrata, Grand Coulee, Odessa, Creston, Othello, Spokane, Davenport, Post Falls, Rockford, Ritzville, Spokane Valley, Quincy, Cheney, Harrington, Airway Heights, Moses Lake, Hayden, Worley, Wilbur, Coeur d'Alene, and Fairfield. * WHEN...From midnight tonight to 9 AM PDT Thursday. * IMPACTS...Morning low temperatures between 30 and 35 are expected across the Columbia Basin, Moses Lake area, and the Spokane/Coeur d'Alene metro. Frost and freeze conditions could sensitive garden plants and flowers.

...The Flood Warning is extended for the following rivers in Oregon... Owyhee River Below Owyhee Dam affecting Malheur County. .High mountain snow melt and increased reservoir releases will cause the river flows to remain high. Expect minor flooding downstream from the dam. For the Owyhee River...including Owyhee Dam, Owyhee Dam...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Owyhee River below Owyhee Dam. * WHEN...Until early Saturday morning. * ADDITIONAL DETAILS... - At 6:30 AM MDT Wednesday /5:30 AM PDT Wednesday/ the flow was 3,666 cfs. - Bankfull stage is 1,000 cfs. - Recent Activity...The maximum river flow in the 24 hours ending at 6:30 AM MDT Wednesday /5:30 AM PDT Wednesday/ was 3,702 cfs. - Forecast...The river is expected to fall below flood stage late Friday evening and continue falling to 2,000 cfs Friday, May 10. - Flood flow is 3,000 cfs. - Flood History...This crest compares to a previous crest of 3,560 cfs on 04/20/1999. - http://www.weather.gov/safety/flood

* WHAT...Sub-freezing temperatures as low as 29 degrees in the Illinois and Applegate Valleys. * WHERE...Eastern Curry County and Josephine County. * WHEN...Until 8 AM PDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT...Temperatures between 33 and 36 degrees will result in frost formation. * WHERE...Hood Canal Area, East Puget Sound Lowlands, Everett and Vicinity, Lower Chehalis Valley Area, Southwest Interior, and Tacoma Area. * WHEN...Until 10 AM PDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

* WHAT...Snow above 3000 feet. Additional snow accumulations of up to two inches. * WHERE...North Oregon Cascades and Cascades of Marion and Linn Counties. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Plan on slippery road conditions. Road surfaces that were wet during the daytime hours will likely freeze as temperatures fall overnight.

* WHAT...Low temperatures between 33F and 37F will result in frost formation. * WHERE...In Oregon, North Oregon Coast Range and North Oregon Coast Range Lowlands. In Washington, Willapa Hills. * WHEN...From midnight tonight to 8 AM PDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

* WHAT...Low temperatures between 33F and 37F will result in frost formation. * WHERE...In Oregon, North Oregon Coast Range and North Oregon Coast Range Lowlands. In Washington, Willapa Hills. * WHEN...From midnight tonight to 8 AM PDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

* WHAT...Low temperatures between 35F and 37F will result in frost formation. * WHERE...Tualatin Valley and West Central Willamette Valley. * WHEN...From midnight tonight to 8 AM PDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

* WHAT...Sub-freezing temperatures as low as 30 degrees are expected. * WHERE...Portions of the Illinois and Applegate valleys, including Obrien, Cave Junction, Provolt, and Williams. * WHEN...From 2 AM to 8 AM PDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

...The Flood Warning continues for the following rivers in Oregon... Owyhee River Below Owyhee Dam affecting Malheur County. .High mountain snow melt and increased reservoir releases will cause the river flows to become high. Expect minor flooding downstream from the dam. For the Owyhee River...including Owyhee Dam, Owyhee Dam...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Owyhee River below Owyhee Dam. * WHEN...Until tomorrow morning. * ADDITIONAL DETAILS... - At 9:30 AM MDT Tuesday /8:30 AM PDT Tuesday/ the flow was 3,655.0 cfs. - Bankfull stage is 1,000 cfs. - Recent Activity...The maximum river flow in the 24 hours ending at 9:30 AM MDT Tuesday /8:30 AM PDT Tuesday/ was 3,858.0 cfs. - Forecast...The river is expected to fall below flood stage just after midnight tonight and continue falling to 2,000.0 cfs Friday, May 10. - Flood flow is 3,000.0 cfs. - Flood History...This crest compares to a previous crest of 3,560.0 cfs on 04/20/1999. - http://www.weather.gov/safety/flood

* WHAT...Temperatures between 33 and 36 degrees will result in frost formation. * WHERE...Hood Canal Area, East Puget Sound Lowlands, Everett and Vicinity, Lower Chehalis Valley Area, Southwest Interior, and Tacoma Area. * WHEN...From 8 PM this evening to 10 AM PDT Wednesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

* WHAT...Snow above 3000 feet. Additional snow accumulations of 2 to 8 inches, heaviest above 3500 ft. * WHERE...In Oregon, North Oregon Cascades and Cascades of Marion and Linn Counties. In Washington, South Washington Cascades. * WHEN...Until 6 PM PDT this evening. * IMPACTS...Plan on slippery road conditions.