Letha, ID Live Doppler Radar

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

What weather hits Letha?

Since 1996, the National Weather Service has logged heavy snow or a winter storm on 50 days in the Lower Treasure Valley forecast zone and Gem County — the most common reported hazard around Letha, mostly in December and January. Next come high winds (13 days) and damaging thunderstorm winds (11 days).

HazardDays reportedMost recentWorst on record
Heavy snow & winter storms50Jan 2024Dec 7, 2013 · 1 death
High winds13Apr 2024—
Damaging thunderstorm winds11May 2026May 17, 1996 · $5,000 damage
Flooding8May 2017Jun 4, 2010 · $1.0 million damage
Wildfires3Oct 1997—
Dust storms2Apr 2024—
Extreme cold & wind chill1May 2002—
Excessive heat1Sep 2022Sep 6, 2022 · 1 death

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 Lower Treasure Valley forecast zone and Gem County; damage is as reported, not adjusted for inflation.

How much snow does Letha get?

A normal year brings about 7.4 inches of snow to Letha, based on NOAA's 1991–2020 climate normals for the Emmett 2 E weather station 9.4 miles away. The snowiest month is usually December (3.6 in).

OctNovDecJanFebMarAprMay
0.00.53.61.71.40.10.10.0

Normal snowfall in inches. TALON Pro compares this season's snow at your location with these normals as winter goes on.

Which radars cover Letha?

The closest NEXRAD Doppler radar is KCBX (Boise, ID), about 35 miles southeast. 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 LethaView
KCBX
Boise, ID
35 mi southeast2,200 ftExcellent — the lowest scan sees close to the ground
KPDT
Pendleton, OR
165 mi northwest21,200 ftLimited — the beam overshoots the lowest part of storms
KSFX
Pocatello, ID
206 mi east-southeast30,700 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 Letha

Since 1950, NOAA has recorded 17 tornadoes within 25 miles of Letha. Most came in August and April. The strongest was an F1 on August 25, 1966, which passed about 18 miles west-northwest of town. The most recent was an EF0 on May 26, 2023, which touched down about 15 miles southeast of town.

Hail: 40 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 May 25, 2018.

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 Letha'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.

Letha radar FAQ

Where is the nearest weather radar to Letha, ID?

KCBX (Boise, ID), about 35 miles southeast. KPDT (Pendleton, OR) is 165 miles away and also covers the area.

Does radar show snow in Letha?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Letha the lowest scan from KCBX is about 2,200 ft up.

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

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