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<\/a><\/p>\nDetailed forecast for
\nWest Slope Northern Sierra Nevada
\nToday
\nHeavy rain showers. Highs 37 to 52 higher elevations… 47 to 57 lower elevations. Prevailing south winds 10 to 20 mph with gusts to around 55 mph…except south 10 to 35 mph with gusts to around 60 mph over ridges.
\nTonight
\nHeavy rain showers and a slight chance of thunderstorms at lower elevations…and heavy rain showers, heavy snow showers and a slight chance of thunderstorms at higher elevations. Breezy, colder. Some thunderstorms may produce heavy rainfall. Lows 29 to 44 higher elevations…42 to 50 lower elevations. No snow accumulation lower elevations…4 to 9 inches higher elevations. Snow level above 8000 feet. Prevailing south winds 10 to 25 mph decreasing to 5 to 15 mph after midnight. Gusts up to 50 mph. Over ridges…prevailing southwest winds 20 to 35 mph.
\nMonday
\nRain showers at lower elevations…and rain showers and heavy snow showers at higher elevations. Highs 34 to 49 higher elevations…45 to 55 lower elevations. No snow accumulation lower elevations…1 to 7 inches higher elevations. Snow level above 8000 feet. Prevailing south winds up to 15 mph with gusts to around 35 mph.
\nMonday Night
\nRain showers and a chance of snow showers in the evening, then a chance of rain and snow showers after midnight. Lows 29 to 44 higher elevations…40 to 50 lower elevations. No snow accumulation lower elevations…up to 1 inch higher elevations. Snow level 7500 feet. Prevailing south winds up to 10 mph with gusts to around 30 mph…except south up to 25 mph over ridges.
\nTuesday
\nMostly cloudy. A chance of rain and snow showers. Highs 37 to 52 higher elevations…47 to 59 lower elevations. Snow level 7000 feet. Prevailing south winds up to 15 mph with gusts to around 35 mph…except south up to 25 mph over ridges.
\nTuesday Night
\nHeavy rain showers and heavy snow showers. Colder. Moderate snow accumulations possible. Lows 28 to 43.
\nWednesday
\nRain showers and heavy snow showers. Heavy snow accumulations possible. Highs 33 to 48.
\nWednesday Night Through Friday
\nHeavy rain showers and heavy snow showers. Heavy snow accumulations possible. Lows 27 to 42. Highs 31 to 46.
\nFriday Night
\nHeavy rain and snow showers likely. Moderate snow accumulations possible. Lows 24 to 39.
\nSaturday
\nMostly cloudy with a chance of rain and snow showers. Not as cool. Highs 34 to 49. <\/p>\n
Detailed forecast for
\nMotherlode
\nToday
\nRain showers. Highs 52 to 58. Prevailing south winds 5 to 15 mph with gusts to around 35 mph.
\nTonight
\nHeavy rain showers and a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Lows 45 to 53. Prevailing south winds up to 15 mph with gusts to around 35 mph.
\nMonday
\nRain showers. Highs 50 to 56. Prevailing southeast winds up to 10 mph.
\nMonday Night
\nRain showers and a slight chance of thunderstorms in the evening, then a chance of rain showers and a slight chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall. Lows 44 to 50. Light winds.
\nTuesday
\nCloudy with a chance of rain showers. Highs 52 to 58. Prevailing southeast winds up to 10 mph. Gusts up to 25 mph in the afternoon.
\nTuesday Night
\nRain showers. Lows 41 to 49.
\nWednesday
\nRain showers and a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Highs 47 to 53.
\nWednesday Night Through Friday
\nRain showers. Lows 39 to 49. Highs 44 to 51.
\nFriday Night And Saturday
\nMostly cloudy with a chance of rain showers. Lows 36 to 44. Highs 47 to 53.<\/p>\n
Flood Watch<\/p>\n
Flood Watch
\nNational Weather Service Sacramento CA
\n103 PM PST Sat Dec 20 2025<\/p>\n
.A series of warm atmospheric rivers will bring moderate to heavy
\nrain to the Valley, foothills, and mountains the week of Christmas.
\nThe prolonged period of rain will bring the risk of flooding to the
\nSacramento Valley, northern San Joaquin Valley, northern Sierra
\nNevada and adjacent foothills, as well as the Coastal Range.<\/p>\n
CAZ013>019-063-066>069-220000-
\n\/O.CON.KSTO.FA.A.0004.251221T0000Z-251227T0000Z\/
\n\/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO\/
\nShasta Lake Area \/ Northern Shasta County-Burney Basin \/ Eastern
\nShasta County-Northern Sacramento Valley-Central Sacramento
\nValley-Southern Sacramento Valley-Carquinez Strait and Delta-
\nNorthern San Joaquin Valley-Mountains Southwestern Shasta County
\nto Western Colusa County-Northeast Foothills\/Sacramento Valley-
\nMotherlode-Western Plumas County\/Lassen Park-West Slope Northern
\nSierra Nevada-
\nIncluding the cities of Marysville\/Yuba City, Burney, Paradise,
\nChico, Sacramento, Alder Springs, Modesto, Blue Canyon, Jackson,
\nStockton, Fairfield\/Suisun, Grass Valley, Red Bluff, Shasta Dam,
\nRedding, Quincy, Oroville, and Chester
\n103 PM PST Sat Dec 20 2025<\/p>\n
…FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON…<\/p>\n
* WHAT…Flooding caused by excessive rainfall continues to be
\n possible.<\/p>\n
* WHERE…A portion of northern California, including the following
\n areas, the Sacramento Valley, northern San Joaquin Valley, Delta
\n region, Sierra Nevada and adjacent foothills, and Coastal Range.<\/p>\n
* WHEN…Through Friday afternoon.<\/p>\n
* IMPACTS…Excessive runoff will result in rises along area rivers,
\n creeks, streams. Small streams and creeks may rise out of their
\n banks. Flooding may occur in low-lying, poor drainage, and urban
\n areas. Mudslides and rockslides may occur in mountain and foothill
\n areas.<\/p>\n
* ADDITIONAL DETAILS…
\n – Periods of moderate to heavy rain are forecast the week of
\n Christmas. Debris flows are not expected over recent burn
\n scars, but do anticipate enhanced runoff in\/below scars.
\n – http:\/\/www.weather.gov\/safety\/flood<\/p>\n
PRECAUTIONARY\/PREPAREDNESS ACTIONS…<\/p>\n
You should monitor later forecasts and be alert for possible Flood
\nWarnings. Those living in areas prone to flooding should be prepared
\nto take action should flooding develop.<\/p>\n
&&<\/p>\n
$$<\/p>\n
JS<\/p>\n
Winter Storm Watch<\/p>\n
URGENT – WINTER WEATHER MESSAGE
\nNational Weather Service Sacramento CA
\n413 PM PST Sat Dec 20 2025<\/p>\n
CAZ068-069-220000-
\n\/O.CON.KSTO.WS.A.0009.251224T0600Z-251226T1800Z\/
\nWestern Plumas County\/Lassen Park-West Slope Northern Sierra
\nNevada-
\nIncluding the cities of Quincy, Blue Canyon, and Chester
\n413 PM PST Sat Dec 20 2025<\/p>\n
…WINTER STORM WATCH REMAINS IN EFFECT FROM TUESDAY EVENING THROUGH
\nFRIDAY MORNING…<\/p>\n
* WHAT…Heavy snow possible. Accumulation amounts uncertain at this
\n time but may range from around a foot at 5500 feet and up 4 feet
\n at highest elevations. Winds could gust as high as 45 mph.<\/p>\n
* WHERE…West Slope Northern Sierra Nevada and Western Plumas
\n County\/Lassen Park including Interstate 80 and Highway 50.<\/p>\n
* WHEN…From Tuesday evening through Friday morning.<\/p>\n
* IMPACTS…Dangerous travel conditions with chain controls and road
\n closures possible. Low visibility due to combination of wind and
\n heavy snow.<\/p>\n
* ADDITIONAL DETAILS…Snow accumulations will remain near or above
\n pass level through Tuesday, then drop to around 5500 feet during
\n the day Wednesday.<\/p>\n
PRECAUTIONARY\/PREPAREDNESS ACTIONS…<\/p>\n
Check the latest road conditions from Caltrans online at
\nquickmap.dot.ca.gov or dial 5 1 1.<\/p>\n
&&<\/p>\n
$$<\/p>\n
For more information, visit us at www.weather.gov\/sto\/<\/p>\n","protected":false},"excerpt":{"rendered":"
Arnold, CA…After a bit of a break Mother Nature is bringing weather back with a vengeance for Christmas. Snow levels will start high & then drop as the week goes on. Flood watches for lower elevations & more. Full forecasts from NWS Sacramento for the West Slope & Mother Lode are below. Here we go… […]<\/p>\n","protected":false},"author":1,"featured_media":197565,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_cbd_carousel_blocks":"[]","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[7,20,4,1,32],"tags":[],"class_list":["post-197564","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-communities","category-featured","category-life-style","category-news","category-weather","last_archivepost"],"jetpack_featured_media_url":"https:\/\/new.thepinetree.net\/wp-content\/uploads\/2025\/12\/nws1221.jpg","jetpack_sharing_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"https:\/\/new.thepinetree.net\/index.php?rest_route=\/wp\/v2\/posts\/197564","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/new.thepinetree.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/new.thepinetree.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/new.thepinetree.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/new.thepinetree.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=197564"}],"version-history":[{"count":1,"href":"https:\/\/new.thepinetree.net\/index.php?rest_route=\/wp\/v2\/posts\/197564\/revisions"}],"predecessor-version":[{"id":197566,"href":"https:\/\/new.thepinetree.net\/index.php?rest_route=\/wp\/v2\/posts\/197564\/revisions\/197566"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/new.thepinetree.net\/index.php?rest_route=\/wp\/v2\/media\/197565"}],"wp:attachment":[{"href":"https:\/\/new.thepinetree.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=197564"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/new.thepinetree.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=197564"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/new.thepinetree.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=197564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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