Hail and tornadoes in Butte County, CA

Since January 2021, radar estimated hail somewhere in Butte County, CA on 5 days. The biggest estimate: 0.75 in or larger (penny), on Sun, Jun 8, 2025. Hail was reported to the National Weather Service inside the county on 0 days.

Still loading: radar estimates go back to Wed, Oct 14, 2020, and the earlier years are being added.

Days with hail

since January 2021

1 inch or larger

days, estimated or reported

Largest radar estimate

0.75+ in

Sun, Jun 8, 2025

Radar estimates are NOAA's MESH: the largest hail the radar estimates aloft, on cells about 0.7 mile across, shown as the lower bound of a size band (“1.5+”). They often run larger than what reached the ground, and they aren't evidence of damage at any address.

Hail on record since 1955

NOAA's Storm Events database lists 4 hail reports in Butte County, CA on 4 days, 0 of them 2 inches or larger. The largest: 1 in, near Chico, on Sun, Oct 2, 2016.

By decade: 2000s: 1 · 2010s: 2 · 2020s: 1

Tornadoes since 1950

7 tornadoes have touched Butte County, CA since 1950, none of them rated F3/EF3 or stronger.

Strongest

Wed, May 25, 2011 · EF2 · 0.21 mi long, 10 yd wide · near Thermalito
Tue, Dec 19, 2023 · EF1 · 0.36 mi long, 90 yd wide · near Chico Muni Airport
Sat, Jan 8, 2005 · F1 · 0.1 mi long · near Oroville
Wed, Nov 18, 2020 · EF0 · 0.47 mi long, 3 yd wide · near Bloomer
Sat, Mar 29, 2014 · EF0 · 0.01 mi long, 10 yd wide · near Anita

Most recent

Tue, Dec 19, 2023 · EF1 · 0.36 mi long, 90 yd wide · near Chico Muni Airport
Wed, Nov 18, 2020 · EF0 · 0.47 mi long, 3 yd wide · near Bloomer
Sat, Mar 29, 2014 · EF0 · 0.01 mi long, 10 yd wide · near Anita
Tue, Mar 25, 2014 · EF0 · 0.26 mi long, 10 yd wide · near Paradise Skypark Arp
Wed, May 25, 2011 · EF2 · 0.21 mi long, 10 yd wide · near Thermalito
Fri, Apr 8, 2005 · F0 · 0.1 mi long · near Durham
Sat, Jan 8, 2005 · F1 · 0.1 mi long · near Oroville

By decade: 2000s: 2 · 2010s: 3 · 2020s: 2

Still loading: NOAA's record goes back to 1950, and 2003 onward is in so far.

Every hail day since January 2021

Sun, Jun 8, 2025
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Wed, Jun 28, 2023
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sun, Jun 11, 2023
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Mon, Jun 5, 2023
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.
Sun, Jan 17, 2021
Radar estimate anywhere in the county: 0.75 in or larger (penny)
No hail reported in the county.

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Radar estimates and reports are for anywhere inside the county's boundary. Radar estimates come from NOAA's MRMS estimated hail size (MESH), the largest hail the radar estimates aloft on a ~1 km grid. They often run larger than the hail that reached the ground, and they aren't an observation at any address. Reports are what people reported to the National Weather Service. Neither is proof of damage or an official record for an insurance claim. From NOAA's Storm Events Database (NCEI), which records tornadoes from 1950, hail and thunderstorm wind from 1955, and every kind of storm from 1996. A tornado that crossed county lines is counted in each county it touched. Recent months are added as NCEI publishes them, a few months behind. Damage is in the dollars of its year and is often an estimate.