Avon, SD Live Doppler Radar
Live radar for Avon, Bon Homme County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Avon?
Since 1996, the National Weather Service has logged river or areal flooding on 61 days in the Bon Homme forecast zone and Bon Homme County — the most common reported hazard around Avon, mostly in June and July. Next come damaging thunderstorm winds (59 days) and heavy snow & winter storms (51 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| Flooding | 61 | Jul 2024 | Jun 1, 2019 · $28 million damage |
| Damaging thunderstorm winds | 59 | Jun 2026 | Sep 4, 2016 · $1.0 million damage |
| Heavy snow & winter storms | 51 | Mar 2024 | Dec 29, 2006 · $100,000 damage |
| High winds | 36 | Mar 2026 | Apr 23, 2022 · $70,000 damage |
| Excessive heat | 28 | Jun 2026 | — |
| Blizzards | 27 | Mar 2026 | Nov 28, 2005 · $100,000 damage |
| Extreme cold & wind chill | 25 | Dec 2025 | — |
| Flash flooding | 13 | Mar 2019 | Jun 4, 2005 · $50,000 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 Bon Homme forecast zone and Bon Homme County; damage is as reported, not adjusted for inflation.
How much snow does Avon get?
A normal year brings about 37 inches of snow to Avon, based on NOAA's 1991–2020 climate normals for the Tyndall weather station 9.6 miles away. The snowiest month is usually February (7.4 in).
| Oct | Nov | Dec | Jan | Feb | Mar | Apr | May |
|---|---|---|---|---|---|---|---|
| 0.8 | 5.0 | 7.3 | 6.5 | 7.4 | 5.3 | 4.1 | 0.2 |
Normal snowfall in inches. TALON Pro compares this season's snow at your location with these normals as winter goes on.
Which radars cover Avon?
The closest NEXRAD Doppler radar is KFSD (Sioux Falls, SD), about 78 miles east-northeast. 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.
| Radar | Distance | Lowest beam over Avon | View |
|---|---|---|---|
| KFSD Sioux Falls, SD | 78 mi east-northeast | 6,600 ft | Fair — the beam can pass over shallow snow and low-level rotation |
| KOAX Omaha, NE | 145 mi southeast | 17,200 ft | Limited — the beam overshoots the lowest part of storms |
| KLNX North Platte, NE | 147 mi west-southwest | 17,600 ft | Limited — 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 Avon
Since 1950, NOAA has recorded 76 tornadoes within 25 miles of Avon, 15 of them EF2/F2 or stronger. Most came in June and May. The strongest was an F3 on June 26, 1965, which passed about 12 miles east-southeast of town. The most recent was a tornado of unknown strength on July 31, 2024, which touched down about 17 miles north-northeast of town.
Hail: 372 reports of 1-inch or larger hail within 25 miles since 1955, 52 of them 2 inches or more; the largest was 6.88-inch hail on August 21, 2007.
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 Avon'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.
Avon radar FAQ
Where is the nearest weather radar to Avon, SD?
KFSD (Sioux Falls, SD), about 78 miles east-northeast. KOAX (Omaha, NE) is 145 miles away and also covers the area.
Does radar show snow in Avon?
Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Avon the lowest scan from KFSD is about 6,600 ft up, so light snow from shallow clouds can be under-shown — check NWS winter alerts too.
Is TALON's radar for Avon 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 Avon, follow it right away — see watch vs. warning.
Radar for nearby towns
- Tyndall, SD radar 10 mi
- Wagner, SD radar 13 mi
- Springfield, SD radar 13 mi
- Parkston, SD radar 27 mi
- Yankton, SD radar 35 mi
- Freeman, SD radar 40 mi
- Platte, SD radar 48 mi
- Mitchell, SD radar 50 mi
- Parker, SD radar 54 mi
- Vermillion, SD radar 59 mi