Nunn, CO Live Doppler Radar

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

What weather hits Nunn?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 141 days in the Larimer County Below 6000 Feet/Northwest Weld County forecast zone and Weld County — the most common reported hazard around Nunn, mostly in July and June. Next come high winds (105 days) and heavy snow & winter storms (70 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds141Jun 2026Jun 25, 1999 · 1 death
High winds105Mar 2026Feb 21, 2017 · $200,000 damage
Heavy snow & winter storms70May 2026—
Flash flooding36Jul 2025Jul 13, 2001 · $600,000 damage
Lightning casualties & damage23May 2017Jun 5, 2009 · 1 death
Flooding22Aug 2025May 28, 2024 · 1 death · $3.4 million damage
Blizzards6Mar 2021Mar 17, 2003 · $16 million damage
Extreme cold & wind chill6Jan 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 Larimer County Below 6000 Feet/Northwest Weld County forecast zone and Weld County; damage is as reported, not adjusted for inflation.

Which radars cover Nunn?

The closest NEXRAD Doppler radar is KCYS (Cheyenne, WY), about 30 miles north. 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 NunnView
KCYS
Cheyenne, WY
30 mi north1,900 ftExcellent — the lowest scan sees close to the ground
KFTG
Denver/Boulder, CO
65 mi south-southeast5,100 ftGood — most storms and steady rain or snow show clearly
KPUX
Pueblo, CO
159 mi south-southeast20,000 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 Nunn

Since 1950, NOAA has recorded 132 tornadoes within 25 miles of Nunn, 11 of them EF2/F2 or stronger. Most came in May and June. The strongest was an EF3 on May 22, 2008, which passed about 15 miles west-southwest of town and caused 1 death. The most recent was a tornado of unknown strength on July 31, 2023, which touched down about 10 miles north of town.

Hail: 669 reports of 1-inch or larger hail within 25 miles since 1955, 69 of them 2 inches or more; the largest was 4.50-inch hail on June 4, 1983.

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 Nunn'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.

Nunn radar FAQ

Where is the nearest weather radar to Nunn, CO?

KCYS (Cheyenne, WY), about 30 miles north. KFTG (Denver/Boulder, CO) is 65 miles away and also covers the area.

Does radar show snow in Nunn?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Nunn the lowest scan from KCYS is about 1,900 ft up.

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

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