Colona, IL Live Doppler Radar

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

Open live radar for ColonaWhat TALON shows

What weather hits Colona?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 134 days in the Henry forecast zone and Henry County — the most common reported hazard around Colona, mostly in June and May. Next come heavy snow & winter storms (77 days) and flash flooding (28 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds134Jun 2026Jul 21, 2008 · 2 deaths
Heavy snow & winter storms77Nov 2025Jan 4, 2004 · $5,000 damage
Flash flooding28Jun 2026Apr 30, 2003 · $10 million damage
Flooding23Jun 2019Jun 22, 2009 · $250,000 damage
Extreme cold & wind chill13Jan 2019—
Ice storms & sleet13Feb 2019Jan 5, 2005 · $10,000 damage
High winds10Feb 2019Apr 6, 1997 · $250,000 damage
Blizzards6Mar 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 Henry forecast zone and Henry County; damage is as reported, not adjusted for inflation.

How much snow does Colona get?

A normal year brings about 28 inches of snow to Colona, based on NOAA's 1991–2020 climate normals for the Geneseo weather station 9.6 miles away. The snowiest month is usually January (9.8 in).

OctNovDecJanFebMarAprMay
0.11.67.39.86.12.80.70.0

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

Which radars cover Colona?

The closest NEXRAD Doppler radar is KDVN (Quad Cities, IA), about 16 miles 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 ColonaView
KDVN
Quad Cities, IA		16 mi northwest900 ftExcellent — the lowest scan sees close to the ground
KILX
Lincoln, IL		105 mi south-southeast10,400 ftLimited — the beam overshoots the lowest part of storms
KLOT
Chicago, IL		117 mi east12,200 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 Colona

Since 1950, NOAA has recorded 177 tornadoes within 25 miles of Colona, 37 of them EF2/F2 or stronger. Most came in May and April. The strongest was an F4 on March 29, 1981, which passed about 24 miles northeast of town. The most recent was an EF2 on July 11, 2025, which passed about 17 miles west-northwest of town.

Hail: 368 reports of 1-inch or larger hail within 25 miles since 1955, 41 of them 2 inches or more; the largest was 7.00-inch hail on September 27, 1959.

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 Colona'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.

Colona radar FAQ

Where is the nearest weather radar to Colona, IL?

KDVN (Quad Cities, IA), about 16 miles northwest. KILX (Lincoln, IL) is 105 miles away and also covers the area.

Does radar show snow in Colona?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Colona the lowest scan from KDVN is about 900 ft up.

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

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