Chatsworth, IA Live Doppler Radar
Live radar for Chatsworth, Sioux County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Chatsworth?
Since 1996, the National Weather Service has logged damaging thunderstorm winds on 94 days in the Sioux forecast zone and Sioux County — the most common reported hazard around Chatsworth, mostly in June and July. Next come flooding (78 days) and heavy snow & winter storms (47 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| Damaging thunderstorm winds | 94 | Jun 2026 | Jul 24, 2005 · 1 death · $50,000 damage |
| Flooding | 78 | Jul 2025 | Jun 20, 2024 · 1 death · $6.5 million damage |
| Heavy snow & winter storms | 47 | Dec 2025 | Jan 14, 2007 · 2 deaths |
| High winds | 32 | Mar 2026 | Oct 26, 2010 · $50,000 damage |
| Blizzards | 29 | Mar 2026 | Jan 14, 2021 · 1 death |
| Extreme cold & wind chill | 28 | Dec 2025 | — |
| Excessive heat | 28 | Jun 2026 | — |
| Flash flooding | 27 | Jun 2026 | Aug 5, 2023 · $1.5 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 Sioux forecast zone and Sioux County; damage is as reported, not adjusted for inflation.
How much snow does Chatsworth get?
A normal year brings about 31 inches of snow to Chatsworth, based on NOAA's 1991–2020 climate normals for the Hawarden weather station 6.2 miles away. The snowiest month is usually December (7.3 in).
| Oct | Nov | Dec | Jan | Feb | Mar | Apr | May |
|---|---|---|---|---|---|---|---|
| 0.1 | 3.1 | 7.3 | 6.8 | 6.4 | 4.4 | 2.3 | 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 Chatsworth?
The closest NEXRAD Doppler radar is KFSD (Sioux Falls, SD), about 48 miles north-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.
| Radar | Distance | Lowest beam over Chatsworth | View |
|---|---|---|---|
| KFSD Sioux Falls, SD | 48 mi north-northwest | 3,300 ft | Good — most storms and steady rain or snow show clearly |
| KOAX Omaha, NE | 111 mi south | 11,200 ft | Limited — the beam overshoots the lowest part of storms |
| KDMX Des Moines, IA | 164 mi east-southeast | 21,100 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 Chatsworth
Since 1950, NOAA has recorded 116 tornadoes within 25 miles of Chatsworth, 28 of them EF2/F2 or stronger. Most came in June and May. The strongest was an F3 on May 5, 1964, which passed about 23 miles southeast of town. The most recent was an EF0 on July 28, 2025, which passed about 24 miles northwest of town.
Hail: 401 reports of 1-inch or larger hail within 25 miles since 1955, 43 of them 2 inches or more; the largest was 3.50-inch hail on June 19, 1996.
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 Chatsworth'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.
Chatsworth radar FAQ
Where is the nearest weather radar to Chatsworth, IA?
KFSD (Sioux Falls, SD), about 48 miles north-northwest. KOAX (Omaha, NE) is 111 miles away and also covers the area.
Does radar show snow in Chatsworth?
Yes. TALON colors snow blue, a rain–snow mix pink and freezing rain purple using NOAA's precipitation-type analysis. Over Chatsworth the lowest scan from KFSD is about 3,300 ft up.
Is TALON's radar for Chatsworth 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 Chatsworth, follow it right away — see watch vs. warning.
Radar for nearby towns
- Hawarden, IA radar 6 mi
- Akron, IA radar 7 mi
- Le Mars, IA radar 20 mi
- Sioux Center, IA radar 21 mi
- Rock Valley, IA radar 23 mi
- Orange City, IA radar 24 mi
- Alton, IA radar 26 mi
- Hull, IA radar 27 mi
- Remsen, IA radar 28 mi
- Sioux City, IA radar 30 mi