Belleville, IL Live Doppler Radar

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

What weather hits Belleville?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 181 days in the St. Clair forecast zone and St. Clair County — the most common reported hazard around Belleville, mostly in July and June. Next come excessive heat (71 days) and heavy snow & winter storms (45 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds181Apr 2026Jul 13, 2016 · 1 death
Excessive heat71Aug 2025Jul 18, 1999 · 7 deaths
Heavy snow & winter storms45Nov 2025—
Flash flooding42Jul 2025Jul 26, 2022 · $10 million damage
Flooding13Jun 2019Jun 2, 2019 · $8.1 million damage
High winds8Mar 2025Sep 26, 1996 · $50,000 damage
Lightning casualties & damage7Apr 2019Apr 18, 2019 · 1 death
Ice storms & sleet5Feb 2022—

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

How much snow does Belleville get?

A normal year brings about 11 inches of snow to Belleville, based on NOAA's 1991–2020 climate normals for the Belleville Siu Rsch weather station 7.7 miles away. The snowiest month is usually January (3.4 in).

OctNovDecJanFebMarAprMay
0.00.62.93.43.31.00.00.0

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

Which radars cover Belleville?

The closest NEXRAD Doppler radar is KLSX (St. Louis, MO), about 40 miles west-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 BellevilleView
KLSX
St. Louis, MO
40 mi west-northwest2,600 ftExcellent — the lowest scan sees close to the ground
KILX
Lincoln, IL
118 mi north-northeast12,400 ftLimited — the beam overshoots the lowest part of storms
KPAH
Paducah, KY
120 mi southeast12,800 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 Belleville

Since 1950, NOAA has recorded 181 tornadoes within 25 miles of Belleville, 48 of them EF2/F2 or stronger. Most came in April and May. The strongest was an F4 on February 10, 1959, which passed about 14 miles northwest of town and caused 21 deaths. The most recent was an EF2 on May 16, 2025, which passed about 17 miles north-northwest of town.

Hail: 787 reports of 1-inch or larger hail within 25 miles since 1955, 90 of them 2 inches or more; the largest was 4.50-inch hail on April 28, 2012.

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 Belleville'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.

Belleville radar FAQ

Where is the nearest weather radar to Belleville, IL?

KLSX (St. Louis, MO), about 40 miles west-northwest. KILX (Lincoln, IL) is 118 miles away and also covers the area.

Does radar show snow in Belleville?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Belleville the lowest scan from KLSX is about 2,600 ft up.

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

Radar for nearby towns

All Illinois towns →