Markesan, WI Live Doppler Radar
Live radar for Markesan, Green Lake County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Markesan?
Since 1996, the National Weather Service has logged damaging thunderstorm winds on 61 days in the Green Lake forecast zone and Green Lake County — the most common reported hazard around Markesan, mostly in June and July. Next come heavy snow & winter storms (57 days) and extreme cold & wind chill (37 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| Damaging thunderstorm winds | 61 | Jun 2026 | Aug 3, 1997 · $6.0 million damage |
| Heavy snow & winter storms | 57 | Nov 2025 | Apr 11, 2007 · $10,000 damage |
| Extreme cold & wind chill | 37 | Jan 2026 | Feb 3, 2007 · $1,000 damage |
| Excessive heat | 35 | Jun 2026 | — |
| Flooding | 10 | Apr 2019 | Jun 1, 2004 · $18 million damage |
| Blizzards | 5 | Mar 2026 | — |
| High winds | 5 | Dec 2021 | Nov 10, 1998 · $125,000 damage |
| Flash flooding | 3 | Jun 2008 | May 8, 2004 · $25,000 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 Green Lake forecast zone and Green Lake County; damage is as reported, not adjusted for inflation.
How much snow does Markesan get?
A normal year brings about 46 inches of snow to Markesan, based on NOAA's 1991–2020 climate normals for the Dalton weather station 11.2 miles away. The snowiest month is usually January (14.6 in).
| Oct | Nov | Dec | Jan | Feb | Mar | Apr | May |
|---|---|---|---|---|---|---|---|
| 0.7 | 3.8 | 7.1 | 14.6 | 8.8 | 7.3 | 3.2 | 0.0 |
Normal snowfall in inches. TALON Pro compares this season's snow at your location with these normals as winter goes on.
Which radars cover Markesan?
The closest NEXRAD Doppler radar is KMKX (Milwaukee/Sullivan, WI), about 56 miles south-southeast. 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.
| Radar | Distance | Lowest beam over Markesan | View |
|---|---|---|---|
| KMKX Milwaukee/Sullivan, WI | 56 mi south-southeast | 4,100 ft | Good — most storms and steady rain or snow show clearly |
| KGRB Green Bay, WI | 70 mi northeast | 5,700 ft | Good — most storms and steady rain or snow show clearly |
| KARX La Crosse, WI | 110 mi west | 11,100 ft | Limited — 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 Markesan
Since 1950, NOAA has recorded 128 tornadoes within 25 miles of Markesan, 31 of them EF2/F2 or stronger. Most came in June and July. The strongest was an F5 on July 18, 1996, which passed about 19 miles east of town. The most recent was an EF0 on July 16, 2025, which touched down about 16 miles southeast of town.
Hail: 178 reports of 1-inch or larger hail within 25 miles since 1955, 14 of them 2 inches or more; the largest was 4.25-inch hail on May 22, 2011.
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 Markesan'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.
Markesan radar FAQ
Where is the nearest weather radar to Markesan, WI?
KMKX (Milwaukee/Sullivan, WI), about 56 miles south-southeast. KGRB (Green Bay, WI) is 70 miles away and also covers the area.
Does radar show snow in Markesan?
Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Markesan the lowest scan from KMKX is about 4,100 ft up.
Is TALON's radar for Markesan 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 Markesan, follow it right away — see watch vs. warning.
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