Hail History

Hail history for Frederick, Colorado

NOAA hail reports in and within about 5 km (3 miles) of Frederick since 1989, with preliminary reports to November 3, 2026.

Readout · Frederick

Last hail
Jun 25, 2025
1.00 in, quarter size
Hail days, last 5 years
5
since Nov 3, 2021 · 10 reports
Largest ever
2.00 in
hen egg · May 9, 2023

36 reports on 20 days since 1989 · #73 of 183 Colorado places

Hail map · Frederick

Frederick Dacono Firestone Erie Longmont Mead Fort Lupton Lafayette Niwot 25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
36 most recent reports with a location; Weld County is shaded. Open street map

For homeowners

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What the record says about Frederick

The latest hail report in and around Frederick is from June 25, 2025, 1.00 in (quarter size). Since November 3, 2021 there have been 5 separate hail days; the biggest stones in that time were 2.00 in on May 9, 2023.

Over the 20 years 2006–2025, Frederick logged 35 reports on 19 hail days, about 1.8 reports a year. That is about twice the median Colorado town on this site (0.8 a year) and ranks #73 of 183 Colorado cities and towns on this site for all-time reports. Frederick accounts for 3% of the 1,182 reports filed in Weld County.

6% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median Colorado town on this site. The largest hail on record here is 2.00 in (hen egg) on May 9, 2023 near 1.59 W Firestone.

Reports were up 675% in 2016–2025 (31) compared with 2006–2015 (4). The busiest year was 2018, with 9 reports on 4 days. Hail here peaks in May (33% of reports); 64% fall between April and June.

Reports a year 2006–2025 average

  • Frederick 1.8
  • Weld County 33.4
  • Median Colorado town on this site 0.8

Hail days 2006–2025

  • Frederick 19
  • Weld County 201
  • Median Colorado town on this site 11

Share 2 in or larger of sized reports

  • Frederick 6%
  • Weld County 10%
  • Median Colorado town on this site 8%

Hail over time

0369 1989: 1 reports, largest 0.75 in 1990 1995 2000 2005 2008: 2 reports, largest 1.25 in 2010 2015: 2 reports, largest 1.00 in 2015 2018: 9 reports, largest 1.75 in 2019: 7 reports, largest 1.75 in 2020: 4 reports, largest 1.75 in 2020 2021: 1 reports, largest 0.75 in 2023: 5 reports, largest 2.00 in 2024: 2 reports, largest 1.00 in 2025: 3 reports, largest 1.00 in 2025
Reports per year, 1989–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
051015 Jan Feb Mar April: 1 reports (3%) Apr May: 12 reports (33%) May June: 10 reports (28%) Jun July: 3 reports (8%) Jul August: 6 reports (17%) Aug September: 4 reports (11%) Sep Oct Nov Dec
All 36 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 12 3
2024 2 2
2023 5 5
2022 0
2021 1 1
2020 112 4
2019 133 7
2018 171 9
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Jun 25, 2025 2 1.00 in —
May 14, 2025 1 1.00 in —
Jul 20, 2024 2 1.00 in —
May 26, 2023 1 0.75 in —
May 9, 2023 4 2.00 in —

Largest hail on record

Largest hail reports in Frederick
Date Size Location County Time · source
May 9, 2023 2.00 inhen egg 1.59 W Firestone Weld 22:33 local · NCEI
May 9, 2023 2.00 inhen egg 3.76 W Frederick Weld 22:18 local · NCEI
Aug 4, 2020 1.75 ingolf ball 3.76 W Frederick Weld 17:15 local · NCEI
Aug 13, 2019 1.75 ingolf ball 3.76 W Frederick Weld 21:46 local · NCEI
Jun 18, 2018 1.75 ingolf ball 0.53 W Frederick Weld 17:51 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Frederick
Date Size Location County Time · source
Jun 25, 2025 1.00 inquarter 1.59 W Firestone Weld 19:13 local · NCEI
Jun 25, 2025 1.00 inquarter 1.59 W Firestone Weld 19:09 local · NCEI
May 14, 2025 1.00 inquarter 3.76 W Frederick Weld 14:29 local · NCEI
Jul 20, 2024 0.75 inpenny 3.76 W Frederick Weld 19:16 local · NCEI
Jul 20, 2024 1.00 inquarter 3.76 W Frederick Weld 19:15 local · NCEI
May 26, 2023 0.75 inpenny 3.17 W Frederick Weld 13:51 local · NCEI
May 9, 2023 1.25 inhalf dollar 1.59 W Firestone Weld 23:02 local · NCEI
May 9, 2023 2.00 inhen egg 1.59 W Firestone Weld 22:33 local · NCEI
May 9, 2023 1.25 inhalf dollar 1.59 W Firestone Weld 22:20 local · NCEI
May 9, 2023 2.00 inhen egg 3.76 W Frederick Weld 22:18 local · NCEI
Apr 27, 2021 0.75 inpenny Frederick Weld 13:29 local · NCEI
Aug 4, 2020 1.75 ingolf ball 3.76 W Frederick Weld 17:15 local · NCEI

Hail history near Frederick

Questions about hail in Frederick

How often does it hail in Frederick, Colorado?

36 hail reports have been logged in and within about 5 km (3 miles) of Frederick since 1989. Over the 20 years 2006–2025 that averages 1.8 reports a year. That ranks #73 of 183 Colorado places by number of reports.

When is hail season in Frederick?

Most reports come in May, June, August. May alone accounts for 33% of all reports.

What is the largest hail recorded in Frederick?

2.00 in (hen egg size) on May 9, 2023 near 1.59 W Firestone. 6% of reports here were 2 inches or larger.

When did it last hail in Frederick?

The most recent report in this data is from June 25, 2025 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

5 separate days with hail reports since November 3, 2021, adding up to 10 reports. The most recent was June 25, 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.