Knowlton, WI Live Doppler Radar

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

What weather hits Knowlton?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 108 days in the Marathon forecast zone and Marathon County — the most common reported hazard around Knowlton, mostly in July and June. Next come heavy snow & winter storms (86 days) and extreme cold & wind chill (21 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds108Jun 2026Jul 16, 1997 · $3.3 million damage
Heavy snow & winter storms86Mar 2026Apr 13, 2018 · $50,000 damage
Extreme cold & wind chill21Jan 2026Feb 3, 2015 · 1 death
Lightning casualties & damage18Aug 2013Oct 6, 2007 · $8.3 million damage
Excessive heat16Jun 2026—
Flooding15Jul 2016Mar 16, 2016 · $10,000 damage
High winds14Dec 2025Oct 23, 2007 · $500,000 damage
Flash flooding12Apr 2026Jun 22, 2002 · $1.6 million 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 Marathon forecast zone and Marathon County; damage is as reported, not adjusted for inflation.

How much snow does Knowlton get?

A normal year brings about 54 inches of snow to Knowlton, based on NOAA's 1991–2020 climate normals for the Eau Pleine Rsvr weather station 5.7 miles away. The snowiest month is usually January (14.1 in).

OctNovDecJanFebMarAprMay
0.45.710.614.110.96.95.20.2

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

Which radars cover Knowlton?

The closest NEXRAD Doppler radar is KGRB (Green Bay, WI), about 79 miles east. 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 KnowltonView
KGRB
Green Bay, WI
79 mi east6,700 ftFair — the beam can pass over shallow snow and low-level rotation
KARX
La Crosse, WI
97 mi southwest9,200 ftFair — the beam can pass over shallow snow and low-level rotation
KMKX
Milwaukee/Sullivan, WI
133 mi south-southeast15,000 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 Knowlton

Since 1950, NOAA has recorded 60 tornadoes within 25 miles of Knowlton, 20 of them EF2/F2 or stronger. Most came in July and June. The strongest was an F4 on June 4, 1958, which passed about 23 miles west-northwest of town and caused 4 deaths. The most recent was an EF0 on May 15, 2025, which touched down about 21 miles northwest of town.

Hail: 172 reports of 1-inch or larger hail within 25 miles since 1955, 13 of them 2 inches or more; the largest was 3.00-inch hail on July 13, 2024.

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 Knowlton'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.

Knowlton radar FAQ

Where is the nearest weather radar to Knowlton, WI?

KGRB (Green Bay, WI), about 79 miles east. KARX (La Crosse, WI) is 97 miles away and also covers the area.

Does radar show snow in Knowlton?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Knowlton the lowest scan from KGRB is about 6,700 ft up, so light snow from shallow clouds can be under-shown — check NWS winter alerts too.

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

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