Channahon, IL Live Doppler Radar

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

What weather hits Channahon?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 91 days in the Grundy forecast zone and Grundy County — the most common reported hazard around Channahon, mostly in June and July. Next come heavy snow & winter storms (30 days) and flooding (23 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds91Jun 2026Jul 7, 2003 · $2.5 million damage
Heavy snow & winter storms30Nov 2025Dec 18, 2008 · $100,000 damage
Flooding23Jan 2024Sep 15, 2008 · $3.0 million damage
Extreme cold & wind chill21Jan 2026Jan 14, 2024 · 1 death
Flash flooding16Apr 2026Jul 17, 1996 · $17 million damage
High winds15Mar 2026Oct 26, 2010 · $50,000 damage
Excessive heat12Jun 2026Jun 22, 2009 · 1 death
Lightning casualties & damage8May 2013Jul 24, 2009 · $100,000 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 Grundy forecast zone and Grundy County; damage is as reported, not adjusted for inflation.

How much snow does Channahon get?

A normal year brings about 18 inches of snow to Channahon, based on NOAA's 1991–2020 climate normals for the Channahon Dresden Isl Dam weather station 2 miles away. The snowiest month is usually January (6.4 in).

OctNovDecJanFebMarAprMay
0.00.36.16.45.20.40.00.0

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

Which radars cover Channahon?

The closest NEXRAD Doppler radar is KLOT (Chicago, IL), about 16 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 ChannahonView
KLOT
Chicago, IL
16 mi northeast800 ftExcellent — the lowest scan sees close to the ground
KILX
Lincoln, IL
104 mi south-southwest10,300 ftLimited — the beam overshoots the lowest part of storms
KMKX
Milwaukee/Sullivan, WI
108 mi north10,800 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 Channahon

Since 1950, NOAA has recorded 148 tornadoes within 25 miles of Channahon, 34 of them EF2/F2 or stronger. Most came in June and May. The strongest was an F5 on August 28, 1990, which passed about 11 miles northeast of town and caused 29 deaths. The most recent was an EF0 on March 19, 2025, which touched down about 11 miles east-northeast of town.

Hail: 358 reports of 1-inch or larger hail within 25 miles since 1955, 21 of them 2 inches or more; the largest was 4.75-inch hail on June 10, 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 Channahon'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.

Channahon radar FAQ

Where is the nearest weather radar to Channahon, IL?

KLOT (Chicago, IL), about 16 miles northeast. KILX (Lincoln, IL) is 104 miles away and also covers the area.

Does radar show snow in Channahon?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Channahon the lowest scan from KLOT is about 800 ft up.

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

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