Between 16:50 and 17:38 UTC on July 1, 2026, Oshkosh had 18 hail reports within 25 miles, reported from Fond du Lac County. Hail peaked at 3.25 in. at 4 S Fond Du Lac, Fond du Lac County. Nearest to Oshkosh was a report 16.0 miles out (2 SSW Fond Du Lac).
The first Oshkosh report is stamped 16:50 UTC: 1.50-inch hail at Brandon (21.2 mi southwest). The last is 17:38 UTC: 1.50-inch hail at 3 E Fond Du Lac (17.1 mi south-southeast).
The farthest report from the center is Brandon (21.2 mi southwest): 1.50-inch hail, 5.2 miles beyond the nearest one.
Sizes on Jul 1 run from 1.00 in. at 4 S Rosendale to 3.25 in. at 4 S Fond Du Lac around 17:28 UTC.
Where the hail fell
- under 0.75 in
- 0.75 to 0.99
- 1.00 to 1.74
- 1.75 to 2.49
- 2.50 and up
How many reports fell close to the city
| Distance from city center | Reports | Largest hail |
|---|---|---|
| Within 5 miles | 0 | — |
| Within 10 miles | 0 | — |
| Within 25 miles | 18 | 3.25″ |
Reported hail, report by report
| Time (UTC) | Hail size | Location | Distance from city center |
|---|---|---|---|
| 17:28 | 3.25″ | 4 S Fond Du Lac, Fond du Lac County | 18.9 mi |
| 17:00 | 2.50″ | 4 S Rosendale, Fond du Lac County | 17.4 mi |
| 17:25 | 2.50″ | 4 SE Fond Du Lac, Fond du Lac County | 18.4 mi |
| 17:15 | 2.00″ | 2 ENE Lamartine, Fond du Lac County | 16.3 mi |
| 17:20 | 2.00″ | 2 SSW Fond Du Lac, Fond du Lac County | 16.0 mi |
| 17:25 | 2.00″ | 3 NW Eden, Fond du Lac County | 19.6 mi |
| 17:24 | 1.75″ | 3 SSW Fond Du Lac, Fond du Lac County | 16.8 mi |
| 17:25 | 1.75″ | 3 SE Fond Du Lac, Fond du Lac County | 17.5 mi |
| 16:50 | 1.50″ | Brandon, Fond du Lac County | 21.2 mi |
| 17:30 | 1.50″ | 4 NNW Eden, Fond du Lac County | 18.8 mi |
| 17:30 | 1.50″ | 3 SE Fond Du Lac, Fond du Lac County | 17.2 mi |
| 17:38 | 1.50″ | 3 E Fond Du Lac, Fond du Lac County | 17.1 mi |
| 17:10 | 1.25″ | 4 S Rosendale, Fond du Lac County | 17.6 mi |
| 17:30 | 1.25″ | 4 W Eden, Fond du Lac County | 19.7 mi |
| 17:00 | 1.00″ | 4 S Rosendale, Fond du Lac County | 17.6 mi |
| 17:23 | 1.00″ | 4 W Eden, Fond du Lac County | 19.7 mi |
| 17:23 | 1.00″ | 3 E Lamartine, Fond du Lac County | 16.3 mi |
| 17:26 | 1.00″ | 2 S Fond Du Lac, Fond du Lac County | 16.2 mi |
The rows above come from preliminary Local Storm Reports of the NOAA Storm Prediction Center. Sizes are reported hailstone diameters; times are UTC. Reports can be added or corrected for about a day after the event. Where a report carries no distance, it is measured in a straight line from its coordinates to the city center.
What 3.25 in. hail on July 1, 2026 means for a Oshkosh roof
| Size class | Reports | Share | Largest report in class |
|---|---|---|---|
| 1.00 to 1.74 in | 10 | 56% | Brandon, 16:50 UTC |
| 1.75 to 2.49 in | 5 | 28% | 2 ENE Lamartine, 17:15 UTC |
| 2.50 to 3.99 in | 3 | 17% | 4 S Fond Du Lac, 17:28 UTC |
18 of the 18 sized Oshkosh reports reached 1 in. The 3.25 in. stone at 4 S Fond Du Lac, Fond du Lac County falls in the 2.50 to 3.99 in class; on July 1, 2026 that is tennis ball to baseball territory for Oshkosh.
How the storm moved through the area
| Hour (UTC) | Reports | Largest hail |
|---|---|---|
| 16:00 | 1 | 1.50″ |
| 17:00 | 17 | 3.25″ |
What spotters wrote
3.25″, 4 S Fond Du Lac at 17:28 UTC: Approx 1 mile SSW of the intersection of I-41 and US HWY 151.
2.50″, 4 S Rosendale at 17:00 UTC: Size est from social media pics sent to local media shared by County EM. Time est from radar.
2.50″, 4 SE Fond Du Lac at 17:25 UTC: Size est from social media pics sent to local media shared by County EM. Time est from radar.
2.00″, 2 ENE Lamartine at 17:15 UTC: From social media picture. Time est from radar.
2.00″, 2 SSW Fond Du Lac at 17:20 UTC: Picture shared by local media. Time est from radar.
How this day compares with other hail days
Oshkosh has 2 hail days in our NOAA log; by largest hailstone, July 1, 2026 ranks #1 of them. Logged days closest in time to July 1, 2026:
- August 18: 2 reports, largest 1.00″
The same storm in nearby cities
On July 1 the log holds 4 matched cities in 3 states; Oshkosh has no neighbour within 220 miles, so its hail stood alone on July 1.
Where the claim clocks stand for the Oshkosh storm
Oshkosh: that storm was 116 days ago. Rows marked passed are not cut-off dates on their own; the only legal limits are the ones tagged statute. For Oshkosh the photo window, the inspection and the target filing date (Wed, Jul 8) are already behind us.
Claim deadlines for Oshkosh, WI. Not legal advice; your own reporting deadline comes from your policy.
July 1 against the Winnebago County July record
Oshkosh's July 1 log shows 3.25 in. hail. The record July in Winnebago County since 2014 is 2020, with 2 reports and a largest stone of 0.88 in.
Hail history near Oshkosh: not the first
Oshkosh’s county has logged 15 hail events since 2017; if this one leads to a replacement, ask about Class 4 impact-resistant shingles, which some insurers discount. In the area archive the biggest stone is 1.00″, below the 3.25″ of July 1, 2026. Check your own address on the hail risk lookup.
See all roofing contractors in Oshkosh, WI
What the sizes reported on July 1, 2026 can do to a roof
| Size class in Oshkosh's reports | Looks like | Reports | What that size can do |
|---|---|---|---|
| 1.00 to 1.74 in | quarter to ping-pong ball | 10 | Shingles can bruise and shed granules, often unseen from the ground. |
| 1.75 to 2.49 in | golf ball to hen egg | 5 | Can fracture older shingles and dent vents, flashing and gutters. |
| 2.50 to 3.99 in | tennis ball to baseball | 3 | Can break shingles, crack tile and shatter skylights. |
Size classes follow the SPC report diameters; the damage wording is general, not a finding about any one roof.
2026 in the Winnebago County hail record
NOAA's county table already holds 2 hail reports for Winnebago County in 2026 through June 2026, with a largest stone of 1.00 in. That is more than 3 of the 7 full years before it. The busiest full year in the table is 2020 with 4 reports.
| Year | NOAA hail reports, Winnebago County | Largest stone |
|---|---|---|
| 2017 | 1 | 0.75″ |
| 2018 | 2 | 1.00″ |
| 2020 | 4 | 1.00″ |
| 2021 | 2 | 1.00″ |
| 2023 | 2 | 1.00″ |
| 2024 | 1 | 1.00″ |
| 2025 | 1 | 0.88″ |
| 2026 (through June 2026) | 2 | 1.00″ |
This date among 2026's matched hail days
In 2026 the feed holds 2 matched hail days for Oshkosh. Ranked by largest stone, then report count, July 1, 2026 is #1 of them.
| Date | City | Reports | Largest hail |
|---|---|---|---|
| Jul 1 | Oshkosh | 18 | 3.25″ |
| Aug 18 | Oshkosh | 2 | 1.00″ |
Ranked by largest stone, then by report count. Only dates the SPC feed matched to a covered city are counted.
The week after July 1, 2026
The SPC feed matched no hail report to Oshkosh or to the 4 other covered cities within 100 miles on any of the 7 days after Wed, Jul 1, through Wed, Jul 8.
Questions about this storm
Oshkosh, July 1, 2026: how big was the hail?
At 4 S Fond Du Lac, Fond du Lac County, the largest SPC report was 3.25 in.
Oshkosh, July 1, 2026: how close did the hail fall?
The nearest report sat 16.0 miles from the city center and the farthest 21.2 miles. Within 10 miles: 0 of 18 reports.
Oshkosh, July 1, 2026: how long did the hail last?
Reports are stamped from 16:50 to 17:38 UTC, a window of 48 minutes. Late reports can still be added for about a day.
Oshkosh, July 1, 2026: was this the worst hail day on record?
Oshkosh has 2 logged hail days; July 1, 2026 ranks #1 for Oshkosh, at 3.25 in. The best other day reached 1.00 in.
Do I need an inspection if my roof looks fine?
Often, yes. Hail bruises and granule loss are hard to see from the ground. A dated inspection scope is what ties damage to this storm rather than to ordinary wear.
What did the feed log near Oshkosh in the week after July 1, 2026?
The SPC feed matched no hail report to Oshkosh or to the 4 other covered cities within 100 miles on any of the 7 days after Wed, Jul 1, through Wed, Jul 8.
Was 2026 a busy hail year in Winnebago County?
NOAA's county table already holds 2 hail reports for Winnebago County in 2026 through June 2026, with a largest stone of 1.00 in. That is more than 3 of the 7 full years before it. The busiest full year in the table is 2020 with 4 reports.
About these numbers
Every figure on this page comes from the NOAA Storm Prediction Center Local Storm Reports file, matched to reports within 25 miles of the city center. Reports are preliminary: they come from trained spotters, emergency managers, the public and mPING app submissions, and sizes are often estimated against a coin or ball. We do not adjust them. A roofer tagged Verified holds a license or registration we confirmed in a public registry. That tag says nothing about coverage, so ask whoever you pick for a current certificate of insurance before signing.
More Resources
All recent local hail · Roofing contractors · Insurance claim guide · Roof replacement costs here · Emergency roof repair