National Weather Service United States Department of Commerce

Significant Snowfall for Washington Cascades and Northern Rocky Mountains

A cold front will linger for several days from the Pacific Northwest to portions of the northern Plains early this week. Cold temperatures and copious moisture will combine to produce several feet of snow into the mountain passes, with up to 4 feet of snow down to 4000 feet in the northern Rockies. Travel through mountain passes will be very difficult. Read More >

Dense fog has developed tonight, and will persist into the morning hours on Monday. A dense fog advisory is in effect for the gray- shaded counties until 9 AM Monday. Slow down and use your low-beam headlights if you encounter reduced visibilities tonight and Monday morning.
Clouds will be on the increase late tonight, and some patchy fog could develop across parts of the region after midnight. Otherwise, winds will be light and temperatures will generally fall into the 40s tonight.
It'll be a cloudy and wet Monday (for some) across North and Central TX. Afternoon high temperatures will climb into the 50s area-wide with increasing rain chances through the day. The best rain chances will be across Central and East TX. Mostly showers are expected, but a few embedded thunderstorms will also be possible.
There will be a significant increase in rain chances as an upper low moves northeast across West-Central Texas on Tuesday. The best rain chances will occur across the southeastern half of the region where rain is almost a guarantee, with slightly lower chances farther northwest. Severe weather is unlikely, though a few storms may become strong and produce small hail and frequent lightning. Precipitation will move east of the region late Tuesday night.
Forecast models are showing cold air arriving next week around December 22nd and 23rd (on average). What we do not know for sure yet is exactly when the cold air arrives, how cold temperatures will be, and if there will be any precipitation and what kind. We will be providing updates when/as we acquire better confidence in the late week forecast.

 
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All-Time Pressure Extremes for Dallas/Fort Worth (Since September 1, 1898)

Highest - 31.06" on December 24, 1983 (severe arctic outbreak)
Lowest - 28.94" on September 12, 1961 (remnants of Hurricane Carla)

Month Highest (in.) / Year Lowest (in.) / Year
January 31.05 / 1962 29.29 / 1996
February 31.00 / 1899 28.97 / 1960
March 30.77 / 1996 29.23 / 1984
April 30.74 / 1940 29.14 / 1953
May 30.50 / 1906 29.25 / 1973
June 30.32 / 1979 29.37 / 1974
July 30.31 / 1972 29.54 / 1926
August 30.31 / 2003 29.48 / 1915
September 30.47 / 1981 28.94 / 1961
October 30.70 / 2008 29.32 / 2010
November 30.84 / 1986 29.33 / 2006
December 31.06 / 1983 29.31 / 1971

Note: The above pressures are corrected to sea level.