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Maple Valley, WA Tornado History — 9 Tornadoes Since 1950

Washington · 25-mile radius · NOAA Storm Prediction Center

How many tornadoes has Maple Valley, WA had?

Maple Valley has had 9 tornadoes on record within 25 miles since 1950, including 1 strong to violent (EF3+) tornado.

When was the most recent tornado near Maple Valley?

The most recent tornado within 25 miles of Maple Valley was an EF1 on September 6, 2009.

When is tornado season in Maple Valley?

June is historically the peak month for tornadoes near Maple Valley, with 3 on record. April through June account for 4 of the 9 tornadoes on record near Maple Valley.

At a Glance

Tornadoes Since 1950
9
Within search radius
Violent (EF3+)
1
11.1% of total
Peak Month
June
3 on record
Per Year Avg
0.1
Across 76 years

Recent Tornado Activity Near Maple Valley

The last 20 years of confirmed tornadoes within 25 miles — 1 total, averaging 0.1 per year over this window.

2026 0
2025 0
2024 0
2023 0
2022 0
2021 0
2020 0
2019 0
2018 0
2017 0
2016 0
2015 0
2014 0
2013 0
2012 0
2011 0
2010 0
2009 1
2008 0
2007 0

Tornadoes by Decade

1960s 3
1970s 2
1990s 2
2000s 2

Tornadoes by Enhanced Fujita Rating

F0–F5 ratings (pre-2007) are grouped with their EF equivalents. The Enhanced Fujita scale replaced the original Fujita scale in February 2007.

EF0 2
EF1 6
EF3 1

Tornadoes by Month

Jan 0
Feb 0
Mar 0
Apr 0
May 1
Jun 3
Jul 0
Aug 1
Sep 2
Oct 0
Nov 0
Dec 2

Have any tornadoes near Maple Valley been fatal?

No fatalities are on record within 25 miles of Maple Valley from any of the 9 tornadoes since 1950, though 1 injuries have been reported, according to NOAA Storm Prediction Center records.

Notable Tornadoes Near Maple Valley

Costliest Tornado
F3 on December 12, 1969 — est. ~$275K (NOAA damage class, pre-1996 estimate).
Widest Tornado
F1 on June 27, 2001 — 400 yards wide.
Longest Path
EF1 on September 6, 2009 — 9.6 mile track.
Most Recent
EF1 on September 6, 2009.

What the record shows near Maple Valley

The 1960s were the busiest decade near Maple Valley, with 3 of the 9 confirmed tornadoes within 25 miles; the 2000s have produced 2 so far. The Maple Valley record runs from the 1960s to today.

Of the tornadoes rated near Maple Valley, 8 reached EF0 or EF1 and 1 reached EF2 or stronger. The most intense on record near Maple Valley is rated EF3, of which 1 is logged.

Across the last 20 years Maple Valley has averaged 0.1 confirmed tornadoes a year within 25 miles, 1 in total. 2009 was the busiest of them with 1, and 19 of those years passed with none at all.

Frequently Asked Questions

How many tornadoes has Maple Valley, WA had?
Since 1950, 9 tornadoes have been recorded within 25 miles of Maple Valley. Data source: NOAA Storm Prediction Center.
When is tornado season in Maple Valley?
June is historically the peak month for tornadoes near Maple Valley, with 3 tornadoes on record. Tornadoes can occur any time of year, but spring months (April–June) generally see the highest activity across most of the central and southern United States.
When was the most recent tornado near Maple Valley?
The most recent tornado within 25 miles of Maple Valley was an EF1 on September 6, 2009.
How do I get tornado warnings for Maple Valley?
Vortex delivers real-time tornado warnings, severe thunderstorm alerts, and SPC outlook updates for any US location via push notification and phone call. Alerts are sourced directly from the National Weather Service and updated within seconds of issuance.

Official Resources

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