Hail History

Hail history for Fort Lupton, Colorado

NOAA hail reports in and within about 5 km (3 miles) of Fort Lupton since 1958, with preliminary reports to November 3, 2026.

Readout · Fort Lupton

Last hail
Aug 22, 2026
1.00 in, quarter size · preliminary
Hail days, last 5 years
5
since Nov 3, 2021 · 8 reports
Largest ever
4.00 in
grapefruit · May 18, 1958

40 reports on 33 days since 1958 · #57 of 183 Colorado places

Hail map · Fort Lupton

Fort Lupton Lochbuie Dacono Frederick Firestone Platteville Hudson Erie 25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
40 most recent reports with a location; Weld County is shaded. Open street map

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What the record says about Fort Lupton

The latest hail report in and around Fort Lupton is from August 22, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 5 separate hail days; the biggest stones in that time were 1.50 in on June 28, 2023.

Over the 20 years 2006–2025, Fort Lupton logged 27 reports on 20 hail days, about 1.4 reports a year. That is 69% more than the median Colorado town on this site (0.8 a year) and ranks #57 of 183 Colorado cities and towns on this site for all-time reports. Fort Lupton accounts for 3% of the 1,182 reports filed in Weld County.

10% 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 4.00 in (grapefruit) on May 18, 1958.

Reports were up 70% in 2016–2025 (17) compared with 2006–2015 (10). The busiest year was 2019, with 3 reports on 3 days. Hail here peaks in June (38% of reports); 70% fall between April and June.

Reports a year 2006–2025 average

  • Fort Lupton 1.4
  • Weld County 33.4
  • Median Colorado town on this site 0.8

Hail days 2006–2025

  • Fort Lupton 20
  • Weld County 201
  • Median Colorado town on this site 11

Share 2 in or larger of sized reports

  • Fort Lupton 10%
  • Weld County 10%
  • Median Colorado town on this site 8%

Hail over time

0123 1958: 1 reports, largest 4.00 in 1960 1970: 1 reports, largest 1.00 in 1970 1979: 1 reports, largest 0.75 in 1980 1987: 1 reports, largest 1.50 in 1990 2000 2002: 1 reports, largest 1.00 in 2003: 2 reports, largest 2.00 in 2004: 2 reports, largest 1.25 in 2005: 2 reports, largest 1.00 in 2007: 2 reports, largest 1.00 in 2009: 2 reports, largest 2.00 in 2010: 2 reports, largest 1.75 in 2010 2011: 1 reports, largest 0.88 in 2012: 1 reports, largest 0.88 in 2014: 2 reports, largest 1.50 in 2016: 3 reports, largest 2.00 in 2018: 3 reports, largest 1.25 in 2019: 3 reports, largest 1.50 in 2020: 2 reports, largest 1.00 in 2020 2022: 2 reports, largest 1.25 in 2023: 2 reports, largest 1.50 in 2025: 2 reports, largest 1.00 in 2026: 2 reports, largest 1.25 in
Reports per year, 1958–2026. 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 (30%) May June: 15 reports (38%) Jun July: 5 reports (13%) Jul August: 6 reports (15%) Aug September: 1 reports (3%) Sep Oct Nov Dec
All 40 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 11 2
2025 2 2
2024 0
2023 2 2
2022 2 2
2021 0
2020 2 2
2019 21 3
2018 111 3
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
Aug 22, 2026 1 1.00 in View
Jun 8, 2026 1 1.25 in —
Aug 1, 2025 2 1.00 in —
Jun 28, 2023 2 1.50 in —
Jun 16, 2022 2 1.25 in —

Largest hail on record

Largest hail reports in Fort Lupton
Date Size Location County Time · source
May 18, 1958 4.00 ingrapefruit — Weld 13:00 local · NCEI
Jul 29, 2016 2.00 inhen egg 1.48 NNE Ft Lupton Weld 19:55 local · NCEI
Jul 20, 2009 2.00 inhen egg 0.87 NW Ft Lupton Weld 21:12 local · NCEI
Jun 22, 2003 2.00 inhen egg Ft Lupton Weld 19:46 local · NCEI
May 26, 2010 1.75 ingolf ball 0.87 SW Ft Lupton Weld 20:04 local · NCEI

Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.

Size of every report

Most recent reports

Most recent hail reports in Fort Lupton
Date Size Location County Time · source
Aug 22, 2026 1.00 inquarter 1 W Fort Lupton Weld 23:25 UTC · NWS prelim.
Jun 8, 2026 1.25 inhalf dollar 1.06 W Ft Lupton Weld 15:10 local · NCEI
Aug 1, 2025 0.75 inpenny 0.87 NE Ft Lupton Weld 15:48 local · NCEI
Aug 1, 2025 1.00 inquarter 1.06 W Ft Lupton Weld 15:47 local · NCEI
Jun 28, 2023 1.50 inping pong ball 0.87 NW Ft Lupton Weld 21:28 local · NCEI
Jun 28, 2023 1.25 inhalf dollar 0.53 W Ft Lupton Weld 21:26 local · NCEI
Jun 16, 2022 1.00 inquarter 2.81 N Ft Lupton Weld 19:48 local · NCEI
Jun 16, 2022 1.25 inhalf dollar 3.19 NNE Ft Lupton Weld 19:34 local · NCEI
May 15, 2020 1.00 inquarter 0.87 SW Ft Lupton Weld 17:41 local · NCEI
May 15, 2020 1.00 inquarter 1.73 WSW Ft Lupton Weld 17:38 local · NCEI
Jul 4, 2019 1.50 inping pong ball 0.87 NW Ft Lupton Weld 17:05 local · NCEI
May 27, 2019 1.00 inquarter 2.96 SSW Hudson Arpt Weld 15:57 local · NCEI

Hail history near Fort Lupton

Questions about hail in Fort Lupton

How often does it hail in Fort Lupton, Colorado?

40 hail reports have been logged in and within about 5 km (3 miles) of Fort Lupton since 1958. Over the 20 years 2006–2025 that averages 1.4 reports a year. That ranks #57 of 183 Colorado places by number of reports.

When is hail season in Fort Lupton?

Most reports come in June, May, August. June alone accounts for 38% of all reports.

What is the largest hail recorded in Fort Lupton?

4.00 in (grapefruit size) on May 18, 1958. 10% of reports here were 2 inches or larger.

When did it last hail in Fort Lupton?

The most recent report in this data is from August 22, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

5 separate days with hail reports since November 3, 2021, adding up to 8 reports. The most recent was August 22, 2026.

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.