Mount Vernon, IA Live Doppler Radar

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

Open live radar for Mount VernonWhat TALON shows

What weather hits Mount Vernon?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 152 days in the Linn forecast zone and Linn County — the most common reported hazard around Mount Vernon, mostly in July and June. Next come heavy snow & winter storms (91 days) and flash flooding (44 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds152Jun 2026Aug 10, 2020 · 1 death
Heavy snow & winter storms91Nov 2025Jan 5, 2005 · $20,000 damage
Flash flooding44Jun 2026Jun 30, 2014 · 1 death
Flooding25May 2025Jun 1, 2008 · $750 million damage
Extreme cold & wind chill19Jan 2019Dec 18, 2016 · 1 death
High winds17Mar 2025Jun 10, 2003 · $550,000 damage
Lightning casualties & damage14Jul 2019Jun 20, 2015 · 1 death
Ice storms & sleet11Dec 2024Dec 11, 2007 · 1 death

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

How much snow does Mount Vernon get?

A normal year brings about 34 inches of snow to Mount Vernon, based on NOAA's 1991–2020 climate normals for the Cedar Rapids #1 weather station 12 miles away. The snowiest month is usually December (9.0 in).

OctNovDecJanFebMarAprMay
0.62.29.08.78.34.01.50.0

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

Which radars cover Mount Vernon?

The closest NEXRAD Doppler radar is KDVN (Quad Cities, IA), about 49 miles east-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.

RadarDistanceLowest beam over Mount VernonView
KDVN
Quad Cities, IA		49 mi east-southeast3,400 ftGood — most storms and steady rain or snow show clearly
KDMX
Des Moines, IA		119 mi west12,600 ftLimited — the beam overshoots the lowest part of storms
KARX
La Crosse, WI		132 mi north14,700 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 Mount Vernon

Since 1950, NOAA has recorded 154 tornadoes within 25 miles of Mount Vernon, 39 of them EF2/F2 or stronger. Most came in May and July. The strongest was an F4 on April 30, 1954, which passed about 21 miles northwest of town. The most recent was an EF1 on July 11, 2025, which passed about 25 miles northwest of town.

Hail: 457 reports of 1-inch or larger hail within 25 miles since 1955, 44 of them 2 inches or more; the largest was 3.00-inch hail on September 20, 2001.

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 Mount Vernon'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.

Mount Vernon radar FAQ

Where is the nearest weather radar to Mount Vernon, IA?

KDVN (Quad Cities, IA), about 49 miles east-southeast. KDMX (Des Moines, IA) is 119 miles away and also covers the area.

Does radar show snow in Mount Vernon?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Mount Vernon the lowest scan from KDVN is about 3,400 ft up.

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

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