Swan, IA Live Doppler Radar

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

Open live radar for SwanWhat TALON shows

What weather hits Swan?

Since 1996, the National Weather Service has logged damaging thunderstorm winds on 93 days in the Marion forecast zone and Marion County — the most common reported hazard around Swan, mostly in June and May. Next come flooding (84 days) and heavy snow & winter storms (53 days).

HazardDays reportedMost recentWorst on record
Damaging thunderstorm winds93Jun 2025Jun 21, 1997 · $1.0 million damage
Flooding84Jul 2024Jun 12, 2010 · $20 million damage
Heavy snow & winter storms53Feb 2025Oct 26, 1997 · $3.2 million damage
High winds32Mar 2025Nov 10, 1998 · $305,000 damage
Flash flooding23Jul 2024Jun 23, 2000 · $300,000 damage
Extreme cold & wind chill15Jan 2025Sep 21, 1999 · $294,000 damage
Blizzards13Mar 2025Dec 20, 2012 · $100,000 damage
Ice storms & sleet11Jan 2017Jan 20, 2010 · $100,000 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 Marion forecast zone and Marion County; damage is as reported, not adjusted for inflation.

Which radars cover Swan?

The closest NEXRAD Doppler radar is KDMX (Des Moines, IA), about 28 miles northwest. 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 SwanView
KDMX
Des Moines, IA		28 mi northwest1,700 ftExcellent — the lowest scan sees close to the ground
KDVN
Quad Cities, IA		141 mi east16,500 ftLimited — the beam overshoots the lowest part of storms
KOAX
Omaha, NE		159 mi west19,900 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 Swan

Since 1950, NOAA has recorded 162 tornadoes within 25 miles of Swan, 33 of them EF2/F2 or stronger. Most came in June and May. The strongest was an EF4 on March 5, 2022, which passed about 9 miles north-northwest of town and caused 6 deaths. The most recent was an EF1 on July 15, 2024, which passed about 20 miles west-northwest of town.

Hail: 756 reports of 1-inch or larger hail within 25 miles since 1955, 81 of them 2 inches or more; the largest was 4.50-inch hail on July 7, 2003.

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 Swan'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.

Swan radar FAQ

Where is the nearest weather radar to Swan, IA?

KDMX (Des Moines, IA), about 28 miles northwest. KDVN (Quad Cities, IA) is 141 miles away and also covers the area.

Does radar show snow in Swan?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Swan the lowest scan from KDMX is about 1,700 ft up.

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

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