Winter Storm Warning Knox, Pennsylvania

Winter alerts in Knox, newest first, in effect or ended
Alert	State	Severity	Places
Snow Squall WarningEnded Intense bursts of heavy snow and gusty winds leading to blowing snow and rapidly falling visibility to less than one-quarter mile. Issued March 17 Ended March 17, 2026	Pennsylvania	Severe	17 places Knox Brookville Clarion Reynoldsville Brockway Sykesville Marianne Falls Creek Strattanville Summerville and 7 more
Snow Squall WarningEnded Flash freeze on roads and rapidly falling visibility due to intense bursts of heavy snow and gusty winds, gusts up to 35 mph. Issued March 17 Ended March 17, 2026	Pennsylvania	Severe	42 places Knox Brookville Clarion Slippery Rock Slippery Rock University Marianne New Bethlehem Stoneboro Rimersburg Harrisville and 32 more
Winter Weather AdvisoryEnded 2 to 4 inches of snow for much of the area, with 3 to 5 inches across eastern Tucker county, gusts up to 50 mph. Issued March 16 Ended March 17, 2026	Pennsylvania	Moderate	532 places Knox Pittsburgh Bethel Park Monroeville Plum New Castle Allison Park Baldwin Murrysville West Mifflin and 522 more
Winter Weather AdvisoryEnded 2 to 4 inches of snow, up to a tenth of an inch of ice. Issued March 2 Ended March 3, 2026	Pennsylvania	Moderate	195 places Knox New Castle Hermitage Indiana Butler Sharon Oil City Grove City Ellwood City Homeacre-Lyndora and 185 more
Winter Weather AdvisoryEnded 2 to 5 inches of snow, gusts up to 35 mph. Issued February 24 Ended February 25, 2026	Pennsylvania	Moderate	85 places Knox Indiana Oil City Franklin Punxsutawney Sugarcreek Brookville Clarion Marienville Blairsville and 75 more
Cold Weather AdvisoryEnded Very cold temperatures as low as 15 below zero expected. Issued February 8 Ended February 9, 2026	Pennsylvania	Moderate	398 places Knox Pittsburgh Bethel Park Monroeville Plum New Castle Allison Park Baldwin Murrysville West Mifflin and 388 more
Snow Squall WarningEnded Intense bursts of heavy snow and gusty winds leading to blowing snow and rapidly falling visibility, gusts up to 35 mph. Issued February 6 Ended February 6, 2026	Pennsylvania	Severe	53 places Knox Hermitage Sharon Oil City Grove City Franklin Greenville Sugarcreek Farrell Sharpsville and 43 more
Extreme Cold WarningEnded Wind chills as low as 25 below zero. Issued February 5 Ended February 8, 2026	Pennsylvania	Severe	171 places Knox Hermitage Indiana Butler Sharon Oil City Grove City Homeacre-Lyndora Franklin Punxsutawney and 161 more
Extreme Cold WatchEnded Wind chills as low as 25 below zero. Issued February 5 Ended February 5, 2026	Pennsylvania	Severe	171 places Knox Hermitage Indiana Butler Sharon Oil City Grove City Homeacre-Lyndora Franklin Punxsutawney and 161 more
Extreme Cold WarningEnded Dangerously cold wind chills as low as 20 to 30 below zero early Saturday morning. Issued January 30 Ended January 31, 2026	Pennsylvania	Severe	183 places Knox New Castle Indiana Butler Aliquippa Economy Beaver Falls Ellwood City Ambridge Homeacre-Lyndora and 173 more
Cold Weather AdvisoryEnded For the first Cold Weather Advisory, very cold temperatures as low as 5 to 15 below zero. Issued January 29 Ended February 1, 2026	Pennsylvania	Moderate	441 places Knox Pittsburgh Bethel Park Monroeville Plum New Castle Allison Park Baldwin Murrysville West Mifflin and 431 more
Cold Weather AdvisoryEnded For the first Cold Weather Advisory, very cold wind chills as low as 10 to 15 below zero. Issued January 28 Ended January 31, 2026	Pennsylvania	Moderate	441 places Knox Pittsburgh Bethel Park Monroeville Plum New Castle Allison Park Baldwin Murrysville West Mifflin and 431 more
Cold Weather AdvisoryEnded For the first Cold Weather Advisory, very cold wind chills as low as 10 to 20 below zero. Issued January 27 Ended January 31, 2026	Pennsylvania	Moderate	532 places Knox Pittsburgh Bethel Park Monroeville Plum New Castle Allison Park Baldwin Murrysville West Mifflin and 522 more
Cold Weather AdvisoryEnded For the Extreme Cold Warning, dangerously cold wind chills as low as 15 to 25 below zero Tuesday morning. Issued January 27 Ended January 29, 2026	Pennsylvania	Moderate	532 places Knox Pittsburgh Bethel Park Monroeville Plum New Castle Allison Park Baldwin Murrysville West Mifflin and 522 more
Extreme Cold WarningEnded Wind chills as low as 25 below zero. Issued January 25 Ended January 29, 2026	Pennsylvania	Severe	532 places Knox Pittsburgh Bethel Park Monroeville Plum New Castle Allison Park Baldwin Murrysville West Mifflin and 522 more
Extreme Cold WatchEnded Wind chills as low as 25 below zero. Issued January 25 Ended January 25, 2026	Pennsylvania	Severe	532 places Knox Pittsburgh Bethel Park Monroeville Plum New Castle Allison Park Baldwin Murrysville West Mifflin and 522 more
Winter Storm WarningEnded 10 to 14 inches of snow. Issued January 23 Ended January 26, 2026	Pennsylvania	Severe	532 places Knox Pittsburgh Bethel Park Monroeville Plum New Castle Allison Park Baldwin Murrysville West Mifflin and 522 more
Cold Weather AdvisoryEnded Very cold wind chills between 10 below and 20 below zero expected. Issued January 22 Ended January 24, 2026	Pennsylvania	Moderate	532 places Knox Pittsburgh Bethel Park Monroeville Plum New Castle Allison Park Baldwin Murrysville West Mifflin and 522 more
Winter Storm WatchEnded Moderate to major impacts to the region are possible later this weekend with periods of moderate to heavy snow. Issued January 22 Ended January 23, 2026	Pennsylvania	Severe	532 places Knox Pittsburgh Bethel Park Monroeville Plum New Castle Allison Park Baldwin Murrysville West Mifflin and 522 more
Winter Weather AdvisoryEnded 3 to 5 inches of snow. Issued January 20 Ended January 22, 2026	Pennsylvania	Moderate	103 places Knox Hermitage Indiana Sharon Oil City Grove City Franklin Punxsutawney Greenville Sugarcreek and 93 more