Hail History

Hail history for Buchanan Dam, Texas

NOAA hail reports in and within about 5 km (3 miles) of Buchanan Dam since 1980, with preliminary reports to November 3, 2026.

Readout · Buchanan Dam

Last hail
May 22, 2025
2.50 in, tennis ball size
Hail days, last 5 years
5
since Nov 3, 2021 · 7 reports
Largest ever
2.50 in
tennis ball · May 22, 2025

20 reports on 17 days since 1980 · #511 of 843 Texas places

Hail map · Buchanan Dam

Buchanan Dam Tow Kingsland Llano Horseshoe Bay Marble Falls 10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
20 most recent reports with a location; Llano County is shaded. Open street map

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What the record says about Buchanan Dam

The latest hail report in and around Buchanan Dam is from May 22, 2025, 2.50 in (tennis ball size). Since November 3, 2021 there have been 5 separate hail days; the biggest stones in that time were 2.50 in on May 22, 2025.

Over the 20 years 2006–2025, Buchanan Dam logged 15 reports on 12 hail days, about 0.8 reports a year. That is 36% more than the median Texas town on this site (0.6 a year) and ranks #511 of 843 Texas cities and towns on this site for all-time reports. Buchanan Dam accounts for 9% of the 223 reports filed in Llano County.

20% of reports with a size were 2 inches (hen egg) or larger, against 10% for the median Texas town on this site. The largest hail on record here is 2.50 in (tennis ball) on May 22, 2025 near 2.75 WNW Buchanan Dam.

Reports were up 175% in 2016–2025 (11) compared with 2006–2015 (4). The busiest year was 2023, with 4 reports on 2 days. Hail here peaks in May (40% of reports); 70% fall between April and June.

Reports a year 2006–2025 average

  • Buchanan Dam 0.8
  • Llano County 6.4
  • Median Texas town on this site 0.6

Hail days 2006–2025

  • Buchanan Dam 12
  • Llano County 62
  • Median Texas town on this site 9

Share 2 in or larger of sized reports

  • Buchanan Dam 20%
  • Llano County 14%
  • Median Texas town on this site 10%

Hail over time

01234 1980: 1 reports, largest 1.00 in 1980 1982: 1 reports, largest 1.75 in 1986: 1 reports, largest 1.75 in 1988: 1 reports, largest 0.75 in 1990 1996: 1 reports, largest 0.75 in 2000 2008: 1 reports, largest 1.00 in 2009: 2 reports, largest 0.88 in 2010 2011: 1 reports, largest 1.00 in 2020: 1 reports, largest 1.00 in 2020 2021: 3 reports, largest 2.50 in 2023: 4 reports, largest 2.00 in 2024: 1 reports, largest 0.75 in 2025: 2 reports, largest 2.50 in
Reports per year, 1980–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
02468 January: 1 reports (5%) Jan Feb March: 3 reports (15%) Mar April: 3 reports (15%) Apr May: 8 reports (40%) May June: 3 reports (15%) Jun Jul Aug September: 1 reports (5%) Sep Oct November: 1 reports (5%) Nov Dec
All 20 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 2 2
2024 1 1
2023 31 4
2022 0
2021 21 3
2020 1 1
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 22, 2025 1 2.50 in —
May 1, 2025 1 2.50 in —
May 31, 2024 1 0.75 in —
Jun 16, 2023 1 2.00 in —
May 5, 2023 3 1.00 in —

Largest hail on record

Largest hail reports in Buchanan Dam
Date Size Location County Time · source
May 22, 2025 2.50 intennis ball 2.75 WNW Buchanan Dam Llano 17:55 local · NCEI
May 1, 2025 2.50 intennis ball 9.72 WNW Burnet Craddock Arpt Burnet 17:00 local · NCEI
Mar 22, 2021 2.50 intennis ball 9.01 W Buchanan Lake Burnet 20:24 local · NCEI
Jun 16, 2023 2.00 inhen egg 1.5 SSE Tow Llano 18:56 local · NCEI
May 28, 2021 1.75 ingolf ball 2.25 SW Tow Llano 16:05 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Buchanan Dam
Date Size Location County Time · source
May 22, 2025 2.50 intennis ball 2.75 WNW Buchanan Dam Llano 17:55 local · NCEI
May 1, 2025 2.50 intennis ball 9.72 WNW Burnet Craddock Arpt Burnet 17:00 local · NCEI
May 31, 2024 0.75 inpenny 1.5 SSE Bluffton Llano 17:45 local · NCEI
Jun 16, 2023 2.00 inhen egg 1.5 SSE Tow Llano 18:56 local · NCEI
May 5, 2023 1.00 inquarter 3.28 WNW Buchanan Dam Llano 19:45 local · NCEI
May 5, 2023 1.00 inquarter 9.01 W Buchanan Lake Burnet 18:10 local · NCEI
May 5, 2023 0.75 inpenny 3.28 WNW Buchanan Dam Llano 17:59 local · NCEI
May 28, 2021 1.75 ingolf ball 2.25 SW Tow Llano 16:05 local · NCEI
Mar 22, 2021 2.50 intennis ball 9.01 W Buchanan Lake Burnet 20:24 local · NCEI
Mar 22, 2021 1.75 ingolf ball 9.72 WNW Burnet Craddock Arpt Burnet 20:19 local · NCEI
Jan 10, 2020 1.00 inquarter 2.51 NW Buchanan Dam Llano 17:15 local · NCEI
Sep 27, 2011 1.00 inquarter 2.25 NW Bluffton Llano 16:00 local · NCEI

Hail history near Buchanan Dam

Questions about hail in Buchanan Dam

How often does it hail in Buchanan Dam, Texas?

20 hail reports have been logged in and within about 5 km (3 miles) of Buchanan Dam since 1980. Over the 20 years 2006–2025 that averages 0.8 reports a year. That ranks #511 of 843 Texas places by number of reports.

When is hail season in Buchanan Dam?

Most reports come in May, March, April. May alone accounts for 40% of all reports.

What is the largest hail recorded in Buchanan Dam?

2.50 in (tennis ball size) on May 22, 2025 near 2.75 WNW Buchanan Dam. 20% of reports here were 2 inches or larger.

When did it last hail in Buchanan Dam?

The most recent report in this data is from May 22, 2025 (2.50 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Buchanan Dam had in the last five years?

5 separate days with hail reports since November 3, 2021, adding up to 7 reports. The most recent was May 22, 2025.

Where does this hail data come from?

Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.