Summary: Accumulating snowfall, bitterly cold temperatures and gusty winds will affect the western U.S. and northern Plains into tonight, with Winter Storm Elmer impacting the western U.S. and Winter Storm Delphine impacting the Midwest. A wintry mixture will move into portions of the northeast throughout the day. Across Alaska, a series of storms and cold weather will continue this week. Meanwhile, record warmth across the southeast continues with the threat of severe weather later this week. Winter Advisories: Washington, Oregon, California, Idaho, Nevada, Utah, Arizona, Colorado, North Dakota, South Dakota, Minnesota, Wisconsin, Michigan, New York, Pennsylvania, Massachusetts, Connecticut
Washington
Winter Weather Advisory
Snow continuing today across western WA
- 1 inch additional snow
- Until 6 AM PST early this morning
Impacting transit along I-5, I-90, US-2
Oregon
Winter Weather Advisory
Snow continuing today across southern OR
- 1-3 inches additional snow
- 35mph wind gusts
- Until 10 AM PST this morning
Impacting transit along I-5
California
Winter Storm Warning
Heavy snow occurring across northern CA and the Sierras
- 3-15 inches additional snow
- Up to 2 feet in some areas
- Until 9 PM today
Impacting transit along I-5 north of Redding. I-80 is closed through the mountains from the NV border to Applegate. US-50 and other mountain routes are also closed.
Idaho
Winter Weather Advisory
Snow continuing today across southern ID
- 4-9 inches additional snow
- 20-30mph winds, gusting up to 40
- Until 9 PM MST this evening
Nevada
Winter Weather Advisory
Snow expected today across northern NV
- 1-4 inches of valley snow, up to 8 in the mountains
- 40mph wind gusts
- From 4 AM to 7 PM PST Monday
I-80 is closed at the CA border, causing traffic backlogs along all nearby routes approaching the border
Utah
Winter Storm Warning
Heavy snow expected today across much of the state
- 10-18 inches of snow
- 50mph wind gusts
- From 8 AM this morning to 8 AM MST Tuesday
Expected to impact transit along I-15, I-80, I-84, and I-70
Arizona
Winter Weather Advisory
Snow expected to begin overnight across northern AZ
- 3-6 inches of snow
- Up to 12 inches in some areas
- 45mph wind gusts
- From 11 PM this evening to 11 PM MST Tuesday
Colorado
Winter Storm Warning
Periods of heavy snow continuing today across the mountains
- 6-12 inches of snow
- 45mph wind gusts
- Until 8 AM MST Tuesday
North Dakota
Blizzard Warning
Blizzard conditions expected today across southeast ND
- 5ft snow drifts
- 45mph wind gusts
- Until 6 PM CST this evening
Statewide road closures are in effect, including I-94, I-29, and almost all other routes
Winter Storm Warning
Snow ending this evening across the state
- Deep snow drifts
- 40moh wind gusts
- Until 6 PM CST/5 PM MST/ this evening
South Dakota
Winter Weather Advisory
Blowing snow expected today across northern SD
- 50mph wind gusts
- Until noon CST /11 AM MST/ today
Minnesota
Winter Storm Warning
Heavy snow occurring today across most of the state
- Blizzard conditions expected this morning along the Superior lakefront
- 2 inches additional snow
- 1/10th inch of ice
- 35mph wind gusts
- Until 6 PM CST this evening
Wisconsin
Winter Weather Advisory
Mixed precipitation expected this morning across the northern half of the state
- 1 inch additional snow
- Freezing rain
- Until 10 AM CST this morning
Michigan
Winter Weather Advisory
Mixed precipitation occurring this morning across central MI and the U.P.
- 1 inch of snow
- Light glaze of ice
- 35mph wind gusts
- Until 9 AM EST this morning
New York
Winter Weather Advisory
Freezing rain expected today across the southern half of the state
- 1 inch of snow
- 1/10th inch of ice
- From 11 AM this morning to 1 AM EST Tuesday
Pennsylvania
Winter Weather Advisory
Mixed precipitation expected today across much of the state
- 1 inch of snow
- 1/10th inch of ice
- From 11 AM this morning to midnight EST tonight
Massachusetts/Connecticut
Winter Weather Advisory
Freezing rain expected this evening
- 1/10th inch of ice
- From 7 PM this evening to 10 AM EST Tuesday
Wind Advisories are in place across parts of California, Nevada, Arizona, New Mexico, South Dakota, Minnesota, Iowa.
Wind Chill Advisories are in place across parts of Washington, Montana, North Dakota.
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