National Weather Service United States Department of Commerce

Moderating Temperatures for the Eastern Two-Thirds of the Country; Approaching Storm for the West

Unseasonably warm temperatures for the Plains and Midwest will spread eastward through Sunday as a weak clipper system will bring some rain and snow showers from the Great Lakes to the Northeast. A storm approaching the west coast is expected to bring strong winds, lower elevation rain and heavy mountain snow. Unsettled weather conditions linger for the western islands of Hawaii into Sunday. Read More >

Click a location below for detailed forecast.

Last Map Update: Sun, Feb. 5, 2023 at 2:42:42 am PST

National Weather Service Medford, OR
National Weather Service Eureka, CAZoom
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National Weather Service Reno, NV
National Weather Service San Francisco Bay Area, CANational Weather Service San Joaquin Valley, CA

A Winter Storm Warning has been issued for 4 pm today - 10 pm Sunday for the Western Plumas Mountains and Sierra Nevada. Avoid travel, especially tonight through Sunday afternoon. Check road conditions at quickmap.dot.ca.gov Alt text: Heavy snow. Timing: 4 PM Saturday February 4 – 10 PM Sunday February 5, 2023. A map shows the area of a winter storm warning for the mountains of Western Plumas County and Sierra Nevada above 4,000 feet. Forecast: Above 5,000 feet: 1-3 feet of snow. Above 4,000 feet: 3-15 inches of snow. Wind gusts up to 60 mph. Precautions: Near white out conditions at times. Major travel delays. Road closures possible. Chain controls. Travel is highly discouraged.
Heavy snow returns to the Sierra tonight - Sunday. 1-3 feet of snow is forecast above 5,000 feet with 4-15 inches above 4,000 feet. Travel is HIGHLY DISCOURAGED after 4pm tomorrow - Sunday evening! Now is the time to adjust travel plans! If you must travel, be prepared for hazardous winter driving conditions with low visibility due to gusty winds & blowing snow, chain controls, significant travel delays, & road closures. Bring an emergency kit with warm clothes, flashlights, & extra food & water. ALT: Snow forecast. Map on the left shows snow amounts for mountain locations across interior northern California. Snow amounts generally range from 1 to 3 feet above 5000 feet, 3 to 15 inches above 4000 feet. Impacts: major. Travel delays and possible road closures. Chain controls. Reduced visibility due to gusty winds and blowing snow. Snow levels: 5000 – 6500 ft Saturday night, lowering to 3500 – 4500 ft Sunday. Timing: Saturday evening - Sunday, February 4-5, 2023. 
Gusty winds are expected this evening into Sunday with local gusts up to 40 mph in the Central Valley & foothills and 40-60 mph over the mountains. Secure loose outdoor items! Alt text: Wind forecast. A map on the left shows the wind gust forecast with gusts up to 25 to 40 mph over the Central Valley and foothills and up to 40 to 60 mph over the mountains. Impacts: moderate. Secure outdoor items. Local downed tree branches. Difficult driving conditions at times. Timing: Saturday night – Sunday morning.
Rain Forecast ALT: Rain Forecast. Map on the left shows precipitation amounts for interior northern California. Amounts range from 0.25 to 1 inches in the Valley and from 0.50 to 2.5 inches across foothills and mountains. Impacts: Minor. Longer than normal travel time and ponding of water on roadways. Thunderstorms. Snow levels: 5500–6500 ft Saturday evening, lowering to 3500–4500 ft Sunday. Timing: Late this afternoon - Sunday, February 4-5, 2023.
Thunderstorms are possible across much of the Valley and Sierra foothills tonight – tomorrow. Thunderstorms tonight could be embedded within the main line of precipitation with isolated thunderstorms possible tomorrow. ALT TEXT: Thunderstorms possible. Most likely timeframe: tonight – Sunday. Impacts: lightning. Small hail. Brief heavy rain. Gusty winds. A map on the right shows an area of thunderstorm chances for the Sacramento Valley & Northern San Joaquin Valley up into the Sierra foothills and an area along the California coast from the Oregon border through Marin County.

 

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