Union, MO Live Doppler Radar

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

Open live radar for UnionWhat TALON shows

What weather hits Union?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 147 days in the Franklin forecast zone and Franklin County — the most common reported hazard around Union, mostly in July and May. Next come excessive heat (60 days) and heavy snow & winter storms (45 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds147Apr 2026Aug 4, 1996 · 3 deaths
Excessive heat60Aug 2025—
Heavy snow & winter storms45Jan 2025Nov 30, 2006 · $200,000 damage
Flash flooding35Jun 2026May 7, 2000 · 2 deaths · $100 million damage
Flooding15May 2017Dec 27, 2015 · $2.0 million damage
High winds9Mar 2025Mar 14, 2025 · $20,000 damage
Ice storms & sleet7Feb 2022Jan 12, 2007 · $334,000 damage
Extreme cold & wind chill4Jan 2024—

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 Franklin forecast zone and Franklin County; damage is as reported, not adjusted for inflation.

How much snow does Union get?

A normal year brings about 14 inches of snow to Union, based on NOAA's 1991–2020 climate normals for the Union weather station in town. The snowiest month is usually January (4.7 in).

OctNovDecJanFebMarAprMay
0.00.72.94.74.11.80.20.0

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

Which radars cover Union?

The closest NEXRAD Doppler radar is KLSX (St. Louis, MO), about 25 miles 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.

RadarDistanceLowest beam over UnionView
KLSX
St. Louis, MO		25 mi northeast1,400 ftExcellent — the lowest scan sees close to the ground
KILX
Lincoln, IL		148 mi northeast17,700 ftLimited — the beam overshoots the lowest part of storms
KPAH
Paducah, KY		154 mi southeast19,000 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 Union

Since 1950, NOAA has recorded 80 tornadoes within 25 miles of Union, 12 of them EF2/F2 or stronger. Most came in May and April. The strongest was an F4 on February 10, 1959, which passed about 22 miles east-northeast of town and caused 21 deaths. The most recent was an EF1 on June 4, 2025, which passed about 22 miles east-northeast of town.

Hail: 360 reports of 1-inch or larger hail within 25 miles since 1955, 43 of them 2 inches or more; the largest was 4.00-inch hail on April 8, 2015.

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 Union'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.

Union radar FAQ

Where is the nearest weather radar to Union, MO?

KLSX (St. Louis, MO), about 25 miles northeast. KILX (Lincoln, IL) is 148 miles away and also covers the area.

Does radar show snow in Union?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Union the lowest scan from KLSX is about 1,400 ft up.

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

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