Nachusa, IL Live Doppler Radar

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

What weather hits Nachusa?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 96 days in the Lee forecast zone and Lee County — the most common reported hazard around Nachusa, mostly in June and May. Next come heavy snow & winter storms (41 days) and extreme cold & wind chill (27 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds96Jun 2026Jun 24, 2013 · $100,000 damage
Heavy snow & winter storms41Dec 2025—
Extreme cold & wind chill27Jan 2026—
Flash flooding17Aug 2025May 13, 2010 · $10,000 damage
High winds14Mar 2026Oct 26, 2010 · $50,000 damage
Flooding13Jun 2020—
Excessive heat9Jun 2026—
Ice storms & sleet5Feb 2019—

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 Lee forecast zone and Lee County; damage is as reported, not adjusted for inflation.

How much snow does Nachusa get?

A normal year brings about 31 inches of snow to Nachusa, based on NOAA's 1991–2020 climate normals for the Dixon 1W weather station 6.6 miles away. The snowiest month is usually January (13.0 in).

OctNovDecJanFebMarAprMay
0.01.85.613.05.74.50.60.0

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

Which radars cover Nachusa?

The closest NEXRAD Doppler radar is KDVN (Quad Cities, IA), about 64 miles west-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 NachusaView
KDVN
Quad Cities, IA
64 mi west-southwest4,900 ftGood — most storms and steady rain or snow show clearly
KLOT
Chicago, IL
69 mi east-southeast5,600 ftGood — most storms and steady rain or snow show clearly
KMKX
Milwaukee/Sullivan, WI
89 mi north-northeast8,100 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 Nachusa

Since 1950, NOAA has recorded 100 tornadoes within 25 miles of Nachusa, 13 of them EF2/F2 or stronger. Most came in May and June. The strongest was an EF4 on April 9, 2015, which passed about 5 miles east-northeast of town and caused 2 deaths. The most recent was an EF0 on July 15, 2024, which passed about 22 miles north-northeast of town.

Hail: 199 reports of 1-inch or larger hail within 25 miles since 1955, 18 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 Nachusa'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.

Nachusa radar FAQ

Where is the nearest weather radar to Nachusa, IL?

KDVN (Quad Cities, IA), about 64 miles west-southwest. KLOT (Chicago, IL) is 69 miles away and also covers the area.

Does radar show snow in Nachusa?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Nachusa the lowest scan from KDVN is about 4,900 ft up.

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

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