Sierra Vista, AZ Live Doppler Radar

Live radar for Sierra Vista, Cochise County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.

Open live radar for Sierra VistaWhat TALON shows

What weather hits Sierra Vista?

Since 1996, the National Weather Service has logged flash flooding on 181 days in the Upper San Pedro River Valley including Sierra Vista/Benson forecast zone and Cochise County — the most common reported hazard around Sierra Vista, mostly in July and August. Next come damaging thunderstorm winds (146 days) and excessive heat (41 days).

HazardDays reportedMost recentWorst on record
Flash flooding181Jun 2026Aug 6, 1997 · 6 deaths
Damaging thunderstorm winds146Sep 2025Aug 24, 2010 · $1.0 million damage
Excessive heat41Jun 2026Jul 3, 2023 · 3 deaths
High winds18Apr 2026Oct 11, 2021 · $75,000 damage
Flooding14Oct 2025Aug 24, 2022 · $1.5 million damage
Lightning casualties & damage13Aug 2023Jun 30, 2015 · 1 death
Wildfires12Jul 2023Jun 20, 2017 · $750,000 damage
Heavy snow & winter storms6Mar 2023Jan 2, 2019 · $5,000 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 Upper San Pedro River Valley including Sierra Vista/Benson forecast zone and Cochise County; damage is as reported, not adjusted for inflation.

Which radars cover Sierra Vista?

The closest NEXRAD Doppler radar is KEMX (Tucson, AZ), about 29 miles northwest. 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.

RadarDistanceLowest beam over Sierra VistaView
KEMX
Tucson, AZ		29 mi northwest1,800 ftExcellent — the lowest scan sees close to the ground
KIWA
Phoenix, AZ		143 mi north-northwest16,800 ftLimited — the beam overshoots the lowest part of storms
KEPZ
El Paso, TX		214 mi east32,700 ftLimited — 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 Sierra Vista

Since 1950, NOAA has recorded 4 tornadoes within 25 miles of Sierra Vista. Most came in July and August. The strongest was an F1 on July 16, 1971, which touched down near town. The most recent was an EF0 on July 29, 2017, which touched down about 18 miles north-northeast of town.

Hail: 37 reports of 1-inch or larger hail within 25 miles since 1955, 1 of them 2 inches or more; the largest was 2.00-inch hail on September 7, 2021.

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 Sierra Vista'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.

Sierra Vista radar FAQ

Where is the nearest weather radar to Sierra Vista, AZ?

KEMX (Tucson, AZ), about 29 miles northwest. KIWA (Phoenix, AZ) is 143 miles away and also covers the area.

Does radar show snow in Sierra Vista?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Sierra Vista the lowest scan from KEMX is about 1,800 ft up.

Is TALON's radar for Sierra Vista 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 Sierra Vista, follow it right away — see watch vs. warning.

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