Allyn, WA Live Doppler Radar
Live radar for Allyn, Mason County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Allyn?
Since 1996, the National Weather Service has logged river or areal flooding on 5 days in the Olympia and Southern Puget Sound forecast zone and Mason County — the most common reported hazard around Allyn, mostly in January and December. Next come lightning casualties & damage (2 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| Flooding | 5 | Jan 2021 | Dec 3, 2007 · 1 death · $12,000 damage |
| Lightning casualties & damage | 2 | Sep 2013 | Jul 5, 1997 · $70,000 damage |
Source: NOAA NCEI Storm Events Database, 1996–2026 (the latest year is partial). A "day" is a date with at least one report in the Olympia and Southern Puget Sound forecast zone and Mason County; damage is as reported, not adjusted for inflation.
Which radars cover Allyn?
The closest NEXRAD Doppler radar is KATX (Seattle/Tacoma, WA), about 58 miles north-northeast. Radar beams climb as they travel, so the height of the lowest scan over town decides how low in a storm the radar can see.
| Radar | Distance | Lowest beam over Allyn | View |
|---|---|---|---|
| KATX Seattle/Tacoma, WA | 58 mi north-northeast | 4,400 ft | Good — most storms and steady rain or snow show clearly |
| KLGX Langley Hill, WA | 62 mi west-southwest | 4,800 ft | Good — most storms and steady rain or snow show clearly |
| KRTX Portland, OR | 116 mi south | 12,000 ft | Limited — the beam overshoots the lowest part of storms |
Beam height is the center of the 0.5° scan above the radar, with standard refraction. Mountains near a radar can block it further.
Tornado & hail history near Allyn
Since 1950, NOAA has recorded 10 tornadoes within 25 miles of Allyn, 2 of them EF2/F2 or stronger. Most came in December and June. The strongest was an F3 on December 12, 1969, which passed about 22 miles east-northeast of town. The most recent was an EF1 on October 18, 2019, which touched down about 9 miles south-southwest of town.
Hail: 1 report of 1-inch or larger hail within 25 miles since 1955; the largest was 1.00-inch hail on October 22, 1985.
Source: NOAA Storm Prediction Center — tornadoes 1950–2025, hail 1955–2025. Distances are to each tornado's track; ratings before February 2007 use the original Fujita scale.
On TALON you get Allyn's live radar loop, rain/snow/ice colors, flash-flood risk, storm tracks with arrival times and NWS warnings free; close-up radar and rotation detection are part of TALON Pro.
Allyn radar FAQ
Where is the nearest weather radar to Allyn, WA?
KATX (Seattle/Tacoma, WA), about 58 miles north-northeast. KLGX (Langley Hill, WA) is 62 miles away and also covers the area.
How often does Allyn flood?
Since 1996 the National Weather Service has logged river or areal flooding on 5 days in the Olympia and Southern Puget Sound forecast zone and Mason County; the deadliest was on December 3, 2007, with 1 death. TALON's free flash-flood risk layer shows, every 2 minutes, how close the rain that has fallen is to what it takes to flood — turn it on under Layers.
Is TALON's radar for Allyn free?
Yes — the US radar loop, rain/snow/ice colors, flash-flood risk, storm tracks and NWS warnings are free in any browser. Close-up radar, rotation detection and longer forecasts are part of TALON Pro.
Should I rely on radar for my safety?
No app replaces official warnings. When the National Weather Service issues a warning for Allyn, follow it right away — see watch vs. warning.
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