Hail Reports in Mankato, Minnesota — Last 90 Days

Hail near Mankato in the last 90 days

• 1.00 inLargest hail in 90 days (quarter size)
• 2Hail days near Mankato
• 2SPC reports
• September 1, 2026Most recent event

Around Mankato, the NOAA Storm Prediction Center logged 2 hail reports within 25 miles between August 7 and September 1, 2026, spread over 2 storm days. Both days brought stones of 1″ or more, and 0 of the 2 Mankato reports with coordinates fell within 10 miles of the city center. In a typical year Mankato sees about 5 hail-producing storms.

Mankato's storm-climate context

Mankato in south-central Minnesota endures one of the most punishing roofing climates in the US. The record low of -35 F in February and January mean of 14.7 F guarantee severe freeze-thaw stress on every roof penetration, flashing joint, and shingle edge across months of winter. Average annual snowfall of 38.7 inches translates to repeated snow load cycles and ice dam formation as attic heat escapes through under-insulated decks. An August 17, 1946 tornado struck southwestern Mankato, killing 11 people, and an F3 tornado hit nearby St. Peter on March 29, 1998, demonstrating the region's tornado exposure alongside its blizzard risk. The record high of 107 F in August adds UV and thermal-expansion stress that compounds granule loss already accelerated by freeze cycling.

Mankato had a 2020 census population of 44,488, estimated at 45,742 by 2023, anchoring a metro area of 104,248. The employment base centers on public institutions: Mankato Area Public Schools (2,123 employees), Mayo Clinic Health System (1,300), and Minnesota State University (1,300). This stable, education-and-healthcare-driven economy sustains steady homeownership rates and drives demand for both storm-damage replacement roofing and planned re-roofing of the aging housing stock common in Minnesota college towns.

How close the hail came

Of the 2 Mankato reports, the closest landed 19.4 miles from the city center on August 7, 2026 (1.00″ at 5 E Hanska). The worst Mankato day was September 1, 2026: 1 report, largest 1.00″. Near Mankato, 2 of 2 hail days reached 1″ or larger.

Distances are straight-line from the city center to each SPC report point; reports without coordinates are left out of the table.

Hail events near Mankato by date

The Mankato tables above list preliminary Local Storm Reports from the NOAA Storm Prediction Center. Sizes are reported hailstone diameters; times are UTC. Reports can be added or corrected for about a day after each event. A quiet log does not mean no hail: small or unreported events happen. The closest report in this window landed 19.4 miles from Mankato's center.

On the Mankato map, circle positions are the NOAA SPC report coordinates; tap a circle for the date and hail size.

Hail size: < 1″ 1–1.75″ ≥ 2″ not recorded

How severe was it? The NWS yardstick, applied to Mankato's reports

Hail history in Mankato: the long picture

County-level NOAA records for the county behind Mankato, 2014–June 2026. Each figure shows its source. Storms after the archive ends are not in these numbers. Ranks count from 1, the highest.

Mankato against the 209 cities we cover

• #104of 209Days with hail 1 in or larger in Mankato: middle
• #54of 209Days with hail 1.75 in or larger (golf ball) in Mankato: middle
• #170of 209Days with 58+ mph thunderstorm wind in Mankato: bottom quarter
• #103of 209Tornadoes in Mankato: middle
• #145of 209Reported storm property damage in Mankato: middle
• #112of 209Share of homes built before 1980 in Mankato: middle

For Mankato's county, NOAA records a most severe stone of 3.50″ and 45 hail events since 2017, close to 5 every year. Set against that baseline, the 2 hail days near Mankato in the 90-day window above run above the long-term average rate. Check your own Mankato address on the hail risk lookup.

Mankato's county logged fewer hail events than the Minnesota median (82 per county since 2017), below the state's typical pace.

Three ways a storm reaches a roof

In the archive for Mankato's county, 2022 was the busiest hail year (13 recorded events); the largest stone on record, 3.50″, fell in 2026. A Mankato roof older than 2022 with no documented inspection has probably taken at least one unexamined hit.

In a market with repeat hail, impact-resistant Class 4 shingles often pay for themselves through insurer premium discounts — worth discussing with a Mankato roofer if a recent event tips you into a replacement.

Blue Earth County fact sheet for Mankato homeowners

Housing age, federal disaster declarations and your state's claim deadlines in one place. All three come from public records, county level.

What to do if your roof was in the hail path

1. Stay off the roof and read the yard instead. 19.4 miles from the Mankato city center (5 E Hanska, August 7, 2026) is where the nearest report fell in the last 90 days. Look at your Mankato downspouts for granules and at gutters, vents and screens for dents.
2. Photograph and date everything before repairs. September 1, 2026 is the worst day in the Mankato log: 1 report, largest 1.00 in. Dated photos, a hailstone next to a coin and this NOAA log tie the loss to a specific storm day.
3. Book a free inspection rather than guessing. 2 of the 2 hail days near Mankato reached 1 inch or more. On a Mankato roof, bruised shingles and lost granules do not show from the ground; a roofer's written scope settles whether a claim exists.
4. Know the insurer's clocks in Minnesota and your own. 54 days ago: that is how long since the newest hail day near Mankato. Your window to report a Mankato loss sits in the policy; the insurer's answer clocks are state law, linked below.
5. Bring the written scope to the adjuster. Hand over the scope in writing: an adjuster working a Mankato claim then has the contractor's numbers. Step-by-step: the roof insurance claim guide.

Insurer clocks for Mankato homeowners: rule text, quotes and links on the Minnesota claim-deadlines page (checked 2026-10-09). Not legal advice.

Verified roofing contractors in Mankato

Contractors PickARoofer has already verified in Mankato. A badge on a Mankato contractor means we confirmed an active license or registration in a public registry. Ask any Mankato roofer for a current certificate of insurance before signing.

See all roofing contractors in Mankato →

Hail in Mankato — questions homeowners ask

Check your own ZIP in Mankato

The county figures above average over everything inside the county line. For a score tied to your Mankato address, run your ZIP through the hail risk lookup — Mankato ZIP codes include 56001, 56003, 56004, 56005, 56007.

Mankato neighborhoods — hail exposure varies by area

Hail paths track with storm cell movement, not city limits. If you're in Northridge, Lakeside, Roseville, Central Park or West Side, check your specific street against the report locations above — distance from Mankato's center is listed for each report.

More resources

• Roofing contractors in Mankato
• Storm damage repair in Mankato
• Roof repair in Mankato
• Roof inspection in Mankato
• Insurance claim guide
• Roof replacement costs in Mankato
• Emergency roof repair
• All recent hail reports
• Hail risk lookup

Sources: NOAA Storm Prediction Center Local Storm Reports (last 90 days, preliminary) and the NOAA NCEI Storm Events Database (county of the city, 2014–June 2026); U.S. Census Bureau American Community Survey 5-year estimates (housing). The Storm Events archive used here ends in 2026, so storms between that date and the start of the 90-day log are not shown. How we collect data. Are you a roofer in Mankato? See how requests reach contractors.