South Sioux City, NE Live Doppler Radar

Live radar for South Sioux City, Dakota County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.

What weather hits South Sioux City?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 42 days in the Dakota forecast zone and Dakota County — the most common reported hazard around South Sioux City, mostly in July and June. Next come heavy snow & winter storms (39 days) and high winds (32 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds42Jul 2024Jul 16, 1996 · $6.0 million damage
Heavy snow & winter storms39Jan 2024—
High winds32Mar 2026Oct 29, 1996 · $80,000 damage
Excessive heat26Jun 2026Jul 28, 1999 · 1 death
Blizzards23Mar 2026Nov 10, 1998 · $25,000 damage
Extreme cold & wind chill18Feb 2025—
Flash flooding14Jul 2024Jul 16, 1996 · $1.0 million damage
Flooding13Jun 2024Mar 13, 2019 · $1.5 million 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 Dakota forecast zone and Dakota County; damage is as reported, not adjusted for inflation.

How much snow does South Sioux City get?

A normal year brings about 36 inches of snow to South Sioux City, based on NOAA's 1991–2020 climate normals for the Sioux City Gateway Ap weather station 5.2 miles away. The snowiest month is usually February (8.7 in).

OctNovDecJanFebMarAprMay
0.83.27.67.78.75.72.30.0

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

Which radars cover South Sioux City?

The closest NEXRAD Doppler radar is KOAX (Omaha, NE), about 79 miles south. 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 South Sioux CityView
KOAX
Omaha, NE
79 mi south6,800 ftFair — the beam can pass over shallow snow and low-level rotation
KFSD
Sioux Falls, SD
79 mi north-northwest6,800 ftFair — the beam can pass over shallow snow and low-level rotation
KDMX
Des Moines, IA
147 mi east-southeast17,600 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 South Sioux City

Since 1950, NOAA has recorded 111 tornadoes within 25 miles of South Sioux City, 27 of them EF2/F2 or stronger. Most came in June and May. The strongest was an F4 on July 28, 1986, which passed about 7 miles southwest of town. The most recent was a tornado of unknown strength on April 16, 2024, which touched down about 13 miles north-northeast of town.

Hail: 419 reports of 1-inch or larger hail within 25 miles since 1955, 44 of them 2 inches or more; the largest was 4.25-inch hail on June 29, 2017.

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 South Sioux City'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.

South Sioux City radar FAQ

Where is the nearest weather radar to South Sioux City, NE?

KOAX (Omaha, NE), about 79 miles south. KFSD (Sioux Falls, SD) is 79 miles away and also covers the area.

Does radar show snow in South Sioux City?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over South Sioux City the lowest scan from KOAX is about 6,800 ft up, so light snow from shallow clouds can be under-shown — check NWS winter alerts too.

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

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