Skip to content


Winter Weather Advisory


Event Continued Expired

Start Time

Tue 11/21/2023 05:00 AM EST

End Time

Tue 11/21/2023 01:00 PM EST




Moderate impact

Locations Affected

Saint Benedict, PA ∙ West Decatur, PA ∙ Tire Hill, PA ∙ Buffalo Mills, PA ∙ Altoona Blair County Airport, PA ∙ Frenchville, PA ∙ Ashville, PA ∙ Hawk Run, PA ∙ Vinco, PA ∙ Fishertown, PA

Full Alert Message

URGENT - WINTER WEATHER MESSAGE National Weather Service State College PA 936 PM EST Mon Nov 20 2023 PAZ024-033-211445- /O.CON.KCTP.WW.Y.0015.231121T1000Z-231121T1800Z/ Cambria-Somerset- Including the cities of Johnstown and Somerset 936 PM EST Mon Nov 20 2023 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM TO 1 PM EST TUESDAY... * WHAT...Mixed precipitation expected. Ice accumulations of around one tenth of an inch on the highest elevations, little to no ice in the valleys. Snow and sleet accumulations less than an inch. Winds gusting as high as 45 mph. * WHERE...Cambria and Somerset Counties. * WHEN...From 5 AM to 1 PM EST Tuesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. * ADDITIONAL DETAILS...The coldest road surfaces and greatest potential of slippery roads will be on the ridgetops. The precipitation will turn to rain as the morning continues, but could last as freezing rain on the ridges until mid-day. PRECAUTIONARY/PREPAREDNESS ACTIONS... The Pennsylvania Department of Transportation and Pennsylvania Turnpike Commission remind motorists to adjust speeds based on driving conditions as winter weather impacts Pennsylvania roadways. Call 5 1 1 or visit for the latest travel, roadway and traffic conditions. To report snow or ice, post to the NWS State College Facebook page, use Twitter @NWSStateCollege, or visit &&