Shannon, IL Live Doppler Radar

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

Open live radar for ShannonWhat TALON shows

What weather hits Shannon?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 95 days in the Carroll forecast zone and Carroll County — the most common reported hazard around Shannon, mostly in June and July. Next come heavy snow & winter storms (82 days) and flash flooding (25 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds95Apr 2026Jun 23, 1996 · $1.0 million damage
Heavy snow & winter storms82Nov 2025—
Flash flooding25Apr 2026Jul 24, 2010 · $10 million damage
Flooding18Jul 2024Apr 18, 2011 · $250,000 damage
Extreme cold & wind chill17Jan 2019—
High winds12Feb 2019May 4, 2003 · $1.0 million damage
Ice storms & sleet8Feb 2023—
Blizzards5Mar 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 Carroll forecast zone and Carroll County; damage is as reported, not adjusted for inflation.

How much snow does Shannon get?

A normal year brings about 35 inches of snow to Shannon, based on NOAA's 1991–2020 climate normals for the Freeport Waste Wtp weather station 12.2 miles away. The snowiest month is usually January (9.7 in).

OctNovDecJanFebMarAprMay
0.22.68.99.78.53.80.80.0

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

Which radars cover Shannon?

The closest NEXRAD Doppler radar is KDVN (Quad Cities, IA), about 57 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 ShannonView
KDVN
Quad Cities, IA		57 mi southwest4,300 ftGood — most storms and steady rain or snow show clearly
KMKX
Milwaukee/Sullivan, WI		83 mi northeast7,200 ftFair — the beam can pass over shallow snow and low-level rotation
KLOT
Chicago, IL		93 mi east-southeast8,600 ftFair — the beam can pass over shallow snow and low-level rotation

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 Shannon

Since 1950, NOAA has recorded 72 tornadoes within 25 miles of Shannon, 12 of them EF2/F2 or stronger. Most came in June and May. The strongest was an F3 on January 24, 1967, which passed about 10 miles west of town. The most recent was an EF1 on July 15, 2024, which crossed near town.

Hail: 192 reports of 1-inch or larger hail within 25 miles since 1955, 17 of them 2 inches or more; the largest was 4.00-inch hail on July 13, 2004.

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 Shannon'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.

Shannon radar FAQ

Where is the nearest weather radar to Shannon, IL?

KDVN (Quad Cities, IA), about 57 miles southwest. KMKX (Milwaukee/Sullivan, WI) is 83 miles away and also covers the area.

Does radar show snow in Shannon?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Shannon the lowest scan from KDVN is about 4,300 ft up.

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

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