Lewisville, ID Live Doppler Radar

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

Open live radar for LewisvilleWhat TALON shows

What weather hits Lewisville?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 73 days in the Upper Snake River Plain forecast zone and Jefferson County — the most common reported hazard around Lewisville, mostly in July and August. Next come heavy snow & winter storms (38 days) and high winds (33 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds73May 2026Jan 18, 2000 · $560,000 damage
Heavy snow & winter storms38Feb 2026Mar 1, 2024 · $118,000 damage
High winds33Jun 2026Nov 1, 2022 · $190,000 damage
Wildfires10Aug 2025—
Flooding10Apr 2023Feb 5, 2017 · $2.4 million damage
Dust storms9Aug 2025—
Extreme cold & wind chill6Jan 2025Dec 25, 2021 · 1 death
Excessive heat3Mar 2026—

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 Snake River Plain forecast zone and Jefferson County; damage is as reported, not adjusted for inflation.

Which radars cover Lewisville?

The closest NEXRAD Doppler radar is KSFX (Pocatello, ID), about 53 miles southwest. 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 LewisvilleView
KSFX
Pocatello, ID		53 mi southwest3,800 ftGood — most storms and steady rain or snow show clearly
KMTX
Salt Lake City, UT		170 mi south22,200 ftLimited — the beam overshoots the lowest part of storms
KRIW
Riverton, WY		183 mi east-southeast25,200 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 Lewisville

Since 1950, NOAA has recorded 30 tornadoes within 25 miles of Lewisville, 2 of them EF2/F2 or stronger. Most came in April and June. The strongest was an F2 on April 7, 1978, which touched down about 14 miles south of town. The most recent was an EF0 on October 27, 2025, which touched down about 5 miles east of town.

Hail: 53 reports of 1-inch or larger hail within 25 miles since 1955, 2 of them 2 inches or more; the largest was 2.75-inch hail on September 13, 2001.

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 Lewisville'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.

Lewisville radar FAQ

Where is the nearest weather radar to Lewisville, ID?

KSFX (Pocatello, ID), about 53 miles southwest. KMTX (Salt Lake City, UT) is 170 miles away and also covers the area.

Does radar show snow in Lewisville?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Lewisville the lowest scan from KSFX is about 3,800 ft up.

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

Radar for nearby towns

All Idaho towns →