NOAA Storm Events · August 2023

Hail in August 2023: 920 NOAA reports across 41 states

NOAA logged 920 hail reports in August 2023, in 381 counties across 41 states. Colorado had the most (129). The largest stone was 5.25 inches (a softball), near Kirk in Yuma County, Colorado, on August 8, 2023. The worst day was August 7, 2023, with 193 reports in 19 states.

Where
381 counties in 41 states; Colorado had 14% of the reports
Largest stone
5.25 inches, a softball, in Yuma County, CO (near Kirk), on August 8, 2023
Worst day
August 7, 2023: 193 reports in 19 states, 21% of the month
Days with hail
27 of 31 days had at least one report
Hail reports in August 2023, lower 48 states
  • under 1 in
  • 1 to 1.74 in
  • 1.75 to 2.74 in
  • 2.75 in and up
920 of the 920 reports have coordinates in the lower 48 and are drawn. One dot is a half-degree square (roughly 35 miles); a bigger dot means more reports, and the color is the largest stone in that square.

Day by day

August 7, 2023 was the worst day with 193 reports. A day with hail averaged 34.

Hail reports per day in August 2023 August 1: 40 reports 1 August 2: 10 reports August 3: 36 reports August 4: 53 reports August 5: 83 reports 5 August 6: 26 reports August 7: 193 reports 193 August 8: 56 reports August 9: 21 reports August 10: 58 reports 10 August 11: 142 reports August 12: 79 reports August 13: 29 reports August 14: 1 reports August 15: 14 reports 15 August 16: 8 reports August 17: 14 reports August 18: 1 reports August 19: 0 reports August 20: 0 reports 20 August 21: 1 reports August 22: 0 reports August 23: 8 reports August 24: 15 reports August 25: 11 reports 25 August 26: 2 reports August 27: 9 reports August 28: 2 reports August 29: 0 reports August 30: 6 reports 30 August 31: 2 reports
Hail reports per day, August 2023
August 140
August 210
August 336
August 453
August 583
August 626
August 7193
August 856
August 921
August 1058
August 11142
August 1279
August 1329
August 141
August 1514
August 168
August 1714
August 181
August 190
August 200
August 211
August 220
August 238
August 2415
August 2511
August 262
August 279
August 282
August 290
August 306
August 312

Where it hit hardest

Ranked by NOAA hail reports. A report is one spotter or sensor entry for one county and storm, so counts follow where people live as well as where hail fell.

Top 10 states by hail reports, August 2023 129 CO 99 MN 92 KS 84 NE 60 SD 39 NY 37 ND 37 PA 32 WI 28 WV
Top 10 states by hail reports, August 2023
CO129
MN99
KS92
NE84
SD60
NY39
ND37
PA37
WI32
WV28
Top 10 states
#StateReportsShareLargest
1Colorado12914.0%5.25 in
2Minnesota9910.8%3.75 in
3Kansas9210.0%4 in
4Nebraska849.1%2.75 in
5South Dakota606.5%2 in
6New York394.2%1.5 in
7North Dakota374.0%1.75 in
8Pennsylvania374.0%3 in
9Wisconsin323.5%2.5 in
10West Virginia283.0%2.5 in
Top 10 counties
#CountyReportsLargest
1El Paso County, CO364 in
2Hennepin County, MN273 in
3Yuma County, CO245.25 in
4Elbert County, CO132 in
5Sherman County, KS131.5 in
6Thomas County, KS122.75 in
7Washington County, MD124 in
8Custer County, SD112 in
9Preston County, WV102.5 in
10Sheridan County, NE102.5 in

County names link to the full hail history where we have published that county. The CSV below lists all 381 counties and all 41 states.

How August 2023 compares

Compared withReportsAugust 2023 was
July 20232,139-1,219 (-57%)
August 2022378+542 (+143%)
the average August in the other 11 years772+148 (+19%)

August 2023 was the 4th busiest August of the 12 in the record and the 52nd busiest of all 150 months.

NOAA hail reports in August, by year 768 2014 1022 2015 568 2016 769 2017 863 2018 1287 2019 974 2020 735 2021 378 2022 920 2023 636 2024 494 2025
NOAA hail reports in August, by year
2014768
20151022
2016568
2017769
2018863
20191287
2020974
2021735
2022378
2023920
2024636
2025494

Every August in the record, 2014 to 2025. Months after June 2026 are not in NOAA's file yet.

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Download the data

Source: NOAA NCEI Storm Events Database, hail rows at county level, data through June 2026. Reports are preliminary and unverified: they show that hail was reported in a county, not that a given roof was damaged. Method: how we count. More: State of Hail by year · county hail history · press.

Source: NOAA Storm Events Database, public domain. Counts and tables on this page are free to reuse with credit to PickARoofer under CC BY 4.0.