Harrisburg, PA · 4 ASOS Stations · Dec 1999 – Dec 2025

Harrisburg Area
Winter Weather Dashboard

Comprehensive analysis of every significant snowstorm, freezing rain event, and winter hazard across the Harrisburg region — powered by NOAA ISD & GHCN-D hourly records.

0
Storms ≥ 3"
0"
Record Event
0
Seasons
0:1
Avg Snow Ratio

⚡ Storm Category Breakdown

3–6" (47)
6–10" (20)
10–15" (5)
15+" (1)

📅 Seasonal Snowfall Totals (KMDT ≥3" storms)

⭐ Notable Storms

26.4"
January 22–24, 2016
Blizzard Jonas · Historic record event
15+″
14.7"
March 13–15, 2017
Winter Storm Stella · 48-hour event
10–15″
12.6"
February 15–17, 2003
Presidents' Day II · 81-hour marathon storm
10–15″
12.3"
February 9–11, 2010
Snowmageddon · 22:1 snow ratio
10–15″
11.8"
February 5–6, 2010
Snowpocalypse · Part I of the 2010 double-event
10–15″
8.8"
December 18–20, 2009
Dec 2009 Nor'easter · 13.3:1 ratio
6–10″

📡 Station Comparison (2000–2025)

KMDT
Snow Hours2,968
FZRA Hours462
Sleet Hours151
Min Temp−7°F
Min WC−22°F
Max Gust68 mph
Hrs < 32°F23.8%
KYORK
Snow Hours2,710
FZRA Hours329
Sleet Hours—
Min Temp−14°F
Min WC−22.7°F
Max Gust54 mph
Hrs < 32°F28.5%
KLNS
Snow Hours2,638
FZRA Hours339
Sleet Hours3
Min Temp−4°F
Min WC−25°F
Max Gust61 mph
Hrs < 32°F25.8%
KCXY
Snow Hours2,020
FZRA Hours251
Sleet Hours3
Min Temp−2°F
Min WC−22°F
Max Gust60 mph
Hrs < 32°F22.9%
11.0:1
Avg Snow Ratio
27.5h
Avg Storm Duration
46"
Best Season 09–10

🗓 All Storms ≥ 3" — KMDT (Dec 1999 – Dec 2025) View full catalog →

Date Snow (KMDT) Category Ratio Duration Tmin Wind Chill RSI Profile