Tornadoes, hail, floods and severe storms recorded here between 1952 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
The part of each tornado’s path NOAA recorded in this county, 5 in all. Zoom in and the paths widen to their surveyed width.
Hover or tap a bar to see that year.
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
July 26, 2012 · Mifflin, Pennsylvania
Thunderstorm winds estimated near 60 mph knocked down several large tree branches at the Derry Township Community Park in south Burnham along Derry Park Road and Logan Boulevard. A 16-year-old female was killed when a falling tree branch struck her in the head.
September 17, 2004 · Mifflin, Pennsylvania
June 11, 2026 · Mifflin, Pennsylvania
A line of severe thunderstorms producing wind gusts estimated at 60 mph knocked wires down along 1st street in Yeagertown.
June 11, 2026 · Mifflin, Pennsylvania
A line of severe thunderstorms producing wind gusts estimated at 60 mph knocked trees and wires down near Reedsville.
June 11, 2026 · Mifflin, Pennsylvania
A line of severe thunderstorms producing wind gusts estimated at 60 mph knocked multiple trees down throughout Turbett Township.
June 10, 2026 · Mifflin, Pennsylvania
Heavy rain associated with a thunderstorm resulted in ponding of water on the roadway near the intersection of East Charles Street and South Brown Street in Lewistown. A vehicle was reported to have become stranded in the water.
March 22, 2026 · Mifflin, Pennsylvania
A severe thunderstorm produced quarter sized hail in Reedsville.
January 24, 2026 · Mifflin, Pennsylvania
Heavy snow began in the evening of January 24 and continued into the evening of January 25, with most of Mifflin County seeing 6-8 inches of snow and sleet.
January 11, 2026 · Mifflin, Pennsylvania
SNOW SQUALL. The PennDOT RWIS station on the eastbound side of US 322 near Seven Mountains reported a visibility of less than one quarter of a mile as a snow squall moved through. Webcams showed snow accumulating on the roadway.
January 1, 2026 · Mifflin, Pennsylvania
SNOW SQUALL. A snow squall brought visibility less than one quarter of a mile with heavy snow observed on US Route 322 near Milroy. Heavy snowfall allowed for quick accumulation on the roadway in a span of 10 to 15 minutes during the early morning hours of January 1, 2026. A trai…
January 1, 2026 · Mifflin, Pennsylvania
SNOW SQUALL. A snow squall brought visibility less than one quarter of a mile with heavy snow observed on US Route 22 near Lewistown. Heavy snowfall allowed for quick accumulation on the roadway in a span of 10 to 15 minutes. Winds were observed to gust near 45 mph as the snow sq…
December 29, 2025 · Mifflin, Pennsylvania
High winds began during the afternoon hours of December 29th and continued into the early morning hours of December 30th with the highest wind gust, measured at 60 mph, being observed at Mifflin County Airport during the early morning hours of December 30th. Gusty winds continued…
July 30, 2025 · Mifflin, Pennsylvania
Well-above average temperatures, coupled with humid conditions, allowed for heat index values to range between 100 and 105 degrees during the afternoon and evening hours of July 30, 2025 across Mifflin County. Mifflin County Airport (KRVL) reported multiple hours of heat index va…
July 25, 2025 · Mifflin, Pennsylvania
A severe thunderstorm, producing wind gusts estimated near 60 mph, knocked down multiple trees onto New Lancaster Valley Road east of Milroy.
July 25, 2025 · Mifflin, Pennsylvania
Well-above average temperatures, coupled with humid conditions, allowed for heat index values to range between 100 and 105 degrees during the afternoon and evening hours of July 25, 2025 across Snyder County. Mifflin County Airport (KRVL) reported multiple hours of heat index val…
June 23, 2025 · Mifflin, Pennsylvania
Well-above average temperatures, coupled with humid conditions, allowed for multiple days of heat index values over 100 degrees beginning during the afternoon hours of June 22nd and continuing through the late evening hours of June 25, 2025 across Mifflin County. Heat index value…
June 9, 2025 · Mifflin, Pennsylvania
A severe thunderstorm produced half-dollar sized hail in Lumber City.
June 9, 2025 · Mifflin, Pennsylvania
A severe thunderstorm produced quarter-sized hail at the Rutters in Milroy.
May 16, 2025 · Mifflin, Pennsylvania
A severe thunderstorm producing wind gusts estimated at 60 mph knocked multiple trees down onto wires in Lewistown.
April 29, 2025 · Mifflin, Pennsylvania
A line of severe thunderstorms producing wind gusts estimated at 70 mph knocked down multiple trees onto Ferguson Valley Road approximately 3 miles west-southwest of Mcveytown.
April 29, 2025 · Mifflin, Pennsylvania
A line of severe thunderstorms producing wind gusts estimated at 70 mph knocked trees and wires down onto West 3rd Street in Lewistown.
April 29, 2025 · Mifflin, Pennsylvania
A line of severe thunderstorms producing wind gusts estimated at 70 mph knocked down numerous trees and wires along Route 522 near Alfarata.
April 15, 2025 · Mifflin, Pennsylvania
A severe thunderstorm, producing estimated wind gusts near 60 mph, knocked down wires onto Double H Lane in Armagh Township.
April 15, 2025 · Mifflin, Pennsylvania
A gusty shower, producing estimated wind gusts near 45 mph, knocked down multiple trees onto Big Greenbriar Road, with another set of powerlines knocked down outside of McVeytown.
March 16, 2025 · Mifflin, Pennsylvania
A line of severe thunderstorms producing wind gusts estimated at 60 mph caused roof damage at the Pennsylvania Department of Transportation's Driver's License Center in Yeagertown.
February 16, 2025 · Mifflin, Pennsylvania
A period of high winds throughout the evening hours of February 16, 2025 into the early morning hours of February 17th was observed at Mifflin County Airport, with winds peaking at 64 mph between 2am and 4am on February 17th. A period of strong winds also occurred throughout the …
January 21, 2025 · Mifflin, Pennsylvania
An extended period of well-below average temperatures across Mifflin County allowed for wind chills to generally range between -10 to -15 degrees. The lowest wind chill of -14 degrees in Chestnut Springs occurred in the early morning hours of January 22, 2025.
April 14, 2024 · Mifflin, Pennsylvania
A severe thunderstorm with winds estimated at 60 mph caused minor damage to shingles on a roof in Lewistown.
February 28, 2024 · Mifflin, Pennsylvania
Strong winds in Mifflin County on the evening of February 28, 2024 uprooted a tree, knocked down power lines, and tore off some sheet metal roofing at Kish Park in Derry Township near Lewistown.
January 14, 2024 · Mifflin, Pennsylvania
SNOW SQUALL. Visibility dropped below a quarter of a mile with heavy snowfall observed on RWIS data and webcams.
August 7, 2023 · Mifflin, Pennsylvania
A thunderstorm producing winds estimated near 50 mph knocked down tree limbs that fell onto and destroyed a chicken coop north-northeast of Woodland.
August 4, 2023 · Mifflin, Pennsylvania
A severe thunderstorm producing winds estimated near 60 mph knocked down multiple trees onto wires near Belltown.
July 9, 2023 · Mifflin, Pennsylvania
A severe thunderstorm producing winds estimated near 60 mph knocked down approximately 15 large trees across railroad tracks to the east of Lewistown, causing the delay of an Amtrak passenger train for an hour while the trees were removed.
June 6, 2023 · Mifflin, Pennsylvania
A severe thunderstorm producing winds estimated near 60 mph produced wind damage to the roof of a home in Yeagertown.
December 22, 2022 · Mifflin, Pennsylvania
A period of moderate snow produced 3 to 6 inches of snow across Mifflin County during the morning and early afternoon of December 22, 2022. US Route 322 was closed at Seven Mountains for over an hour due to several tractor trailers becoming stuck in snowy conditions.
December 15, 2022 · Mifflin, Pennsylvania
A winter storm produced around an inch of snow, an inch of sleet, and 0.10 to 0.20 of freezing rain across Mifflin County on December 15, 2022. As a result, US Route 322 was closed for around two hours in Armaugh Township due to several tractor trailers that were stranded on Seve…
November 18, 2022 · Mifflin, Pennsylvania
SNOW SQUALL. A broken line of snow squalls accompanied by gusty winds produced brief whiteout conditions as it crossed Mifflin County during the late afternoon of November 18, 2022.
March 31, 2022 · Mifflin, Pennsylvania
A severe thunderstorm producing winds estimated near 60 mph produced several reports of trees and wires down across Lewistown, including on the exit ramp from U.S. Route 322.
March 12, 2022 · Mifflin, Pennsylvania
A winter storm produced 4 to 7 inches of snow across Mifflin County in less than 12 hours during the morning of March 12, 2022. This snow was accompanied and followed by winds gusting over 40 mph, which caused continued blowing and drifting snow through the day.
March 7, 2022 · Mifflin, Pennsylvania
A severe thunderstorm producing winds estimated near 60 mph knocked down trees onto wires along Blue Mountain Road near Lewistown.
January 9, 2022 · Mifflin, Pennsylvania
An ice storm produced a quarter of an inch of ice accumulation across Mifflin County on January 9, 2022.
September 23, 2021 · Mifflin, Pennsylvania
Heavy rainfall brought flooding around the Penns and Elk Creek areas.
September 15, 2021 · Mifflin, Pennsylvania
A severe thunderstorm producing winds estimated near 60 mph knocked down trees in the vicinity of Decatur.
September 8, 2021 · Mifflin, Pennsylvania
A severe thunderstorm producing winds estimated near 60 mph knocked down trees and wires in multiple locations across the Lewistown area.
August 18, 2021 · Mifflin, Pennsylvania
A severe thunderstorm producing winds estimated near 60 mph knocked down trees onto wires in Yeagertown.
August 11, 2021 · Mifflin, Pennsylvania
A severe thunderstorm producing winds estimated near 60 mph knocked down trees across a road near Milroy.
August 11, 2021 · Mifflin, Pennsylvania
A severe thunderstorm producing winds estimated near 60 mph knocked down multiple trees near Burnham.
July 17, 2021 · Mifflin, Pennsylvania
A severe thunderstorm producing winds estimated near 60 mph knocked down trees onto wires east of Burnham.
July 17, 2021 · Mifflin, Pennsylvania
A severe thunderstorm producing winds estimated near 60 mph knocked down trees in multiple locations west of Lewistown.
July 13, 2021 · Mifflin, Pennsylvania
A severe thunderstorm with winds estimated near 60 mph brought down trees on wires.