Dayton, IA Live Doppler Radar

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

Open live radar for DaytonWhat TALON shows

What weather hits Dayton?

Since 1996, the National Weather Service has logged river or areal flooding on 93 days in the Webster forecast zone and Webster County — the most common reported hazard around Dayton, mostly in June and May. Next come damaging thunderstorm winds (89 days) and heavy snow & winter storms (56 days).

HazardDays reportedMost recentWorst on record
Flooding93Jul 2024Jun 26, 2005 · 1 death · $115,000 damage
Damaging thunderstorm winds89Sep 2025Aug 9, 2009 · $5.3 million damage
Heavy snow & winter storms56Feb 2026Feb 24, 2007 · $250,000 damage
High winds47Mar 2025Jun 26, 2011 · $500,000 damage
Flash flooding31Sep 2025Jun 27, 2010 · $500,000 damage
Blizzards27Mar 2025Dec 20, 2012 · $100,000 damage
Extreme cold & wind chill23Jan 2025Sep 21, 1999 · $294,000 damage
Ice storms & sleet11Jan 2017Dec 23, 2009 · $1.0 million 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 Webster forecast zone and Webster County; damage is as reported, not adjusted for inflation.

Which radars cover Dayton?

The closest NEXRAD Doppler radar is KDMX (Des Moines, IA), about 41 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.

RadarDistanceLowest beam over DaytonView
KDMX
Des Moines, IA		41 mi south-southeast2,700 ftExcellent — the lowest scan sees close to the ground
KOAX
Omaha, NE		135 mi west-southwest15,300 ftLimited — the beam overshoots the lowest part of storms
KFSD
Sioux Falls, SD		163 mi northwest20,700 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 Dayton

Since 1950, NOAA has recorded 171 tornadoes within 25 miles of Dayton, 46 of them EF2/F2 or stronger. Most came in June and May. The strongest was an F5 on June 13, 1976, which passed about 22 miles southeast of town. The most recent was a tornado of unknown strength on July 19, 2025, which passed about 19 miles east-southeast of town.

Hail: 416 reports of 1-inch or larger hail within 25 miles since 1955, 40 of them 2 inches or more; the largest was 5.00-inch hail on May 30, 1998.

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 Dayton'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.

Dayton radar FAQ

Where is the nearest weather radar to Dayton, IA?

KDMX (Des Moines, IA), about 41 miles south-southeast. KOAX (Omaha, NE) is 135 miles away and also covers the area.

Does radar show snow in Dayton?

Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Dayton the lowest scan from KDMX is about 2,700 ft up.

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

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