Rio Oso, CA Live Doppler Radar
Live radar for Rio Oso, Sutter County: every NWS radar combined, rain, snow and ice colors, flash-flood risk, storm tracks and official warnings.
What weather hits Rio Oso?
Since 1996, the National Weather Service has logged river or areal flooding on 11 days in the Sutter and Yuba Counties Below 1000 ft forecast zone and Sutter County — the most common reported hazard around Rio Oso, mostly in February and January. Next come damaging thunderstorm winds (1 days).
| Hazard | Days reported | Most recent | Worst on record |
|---|---|---|---|
| Flooding | 11 | Dec 2025 | Nov 14, 2025 · 1 death |
| Damaging thunderstorm winds | 1 | Feb 2019 | — |
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 Sutter and Yuba Counties Below 1000 ft forecast zone and Sutter County; damage is as reported, not adjusted for inflation.
Which radars cover Rio Oso?
The closest NEXRAD Doppler radar is KDAX (Sacramento, CA), about 32 miles south-southwest. 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 Rio Oso | View |
|---|---|---|---|
| KDAX Sacramento, CA | 32 mi south-southwest | 2,000 ft | Excellent — the lowest scan sees close to the ground |
| KBBX Beale AFB, CA | 38 mi north | 2,500 ft | Excellent — the lowest scan sees close to the ground |
| KRGX Reno, NV | 124 mi east-northeast | 13,300 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 Rio Oso
Since 1950, NOAA has recorded 22 tornadoes within 25 miles of Rio Oso, 1 of them EF2/F2 or stronger. Most came in March and October. The strongest was an F2 on February 7, 1978, which touched down about 16 miles south-southeast of town. The most recent was an EF0 on February 2, 2019, which touched down about 9 miles northwest of town.
Hail: 5 reports of 1-inch or larger hail within 25 miles since 1955; the largest was 1.25-inch hail on October 2, 2016.
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 Rio Oso'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.
Rio Oso radar FAQ
Where is the nearest weather radar to Rio Oso, CA?
KDAX (Sacramento, CA), about 32 miles south-southwest. KBBX (Beale AFB, CA) is 38 miles away and also covers the area.
How often does Rio Oso flood?
Since 1996 the National Weather Service has logged river or areal flooding on 11 days in the Sutter and Yuba Counties Below 1000 ft forecast zone and Sutter County; the deadliest was on November 14, 2025, with 1 death. TALON's free flash-flood risk layer shows, every 2 minutes, how close the rain that has fallen is to what it takes to flood — turn it on under Layers.
Is TALON's radar for Rio Oso 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 Rio Oso, follow it right away — see watch vs. warning.
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