National Weather Service United States Department of Commerce

Winter Storm for Mid-Atlantic and Northeast; Arctic Air Spreads South and East into Next Week

A developing winter storm will track across the Mid-Atlantic and Northeast Sunday and Sunday night. Meanwhile, arctic air continues to dive southward across the center of the nation and will spread eastward into the new week. Cold temperatures and strong winds will result in dangerous low wind chill values for locations along and east of the Rockies. For southern California, Santa Ana winds return Read More >

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Last Map Update: Sun, Jan 19, 2025 at 1:00:09 am PST

Fog redevelopment is possible in the San Joaquin Valley by early Sunday morning. We're seeing about a 30-50 percent chance of visibility below 1/4 mile for some areas of the valley, mainly around sunrise. Otherwise, expect clear and chilly conditions in the morning with relatively warm and sunny afternoons for much of Central California.
An inside slider has a favorable chance to pass through central California this coming Monday. As the trough passes through, winds are expected to strengthen in the Mojave Desert and Slopes from the northeast, with a near 90 percent chance for maximum wind gusts to exceed 40 miles per hour. Hazardous crosswinds are possible, especially for those travelling along California highways 14 and 58.
In addition to stronger winds in eastern Kern County, the inside slider trough will bring drier air to the region as the prevailing flow shifts winds aloft to the north. Minimum relative humidity in some areas of the Tehachapi Mountains may fall below 20%. The combination of increased winds, lower RH%, and below average fuel moisture will result in conditions favorable for elevated fire danger.

 

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