Hail in Lyman County, SD
Lyman County is one of the more hail-prone places in the country. NOAA radar has confirmed 25 hail events of 1 inch or larger in Lyman County since 2025, the largest 2.3″ (golf ball) on June 29, 2026. The most recent confirmed hail was July 6, 2026.
Did hail hit your exact address?
This page covers the whole area. Enter your address to see what NOAA radar detected over your specific roof - free, in seconds.
About Lyman County, SD
Lyman County occupies central South Dakota along the Missouri River, rolling mixed-grass prairie and ranchland west of the river. The strongest hail falls in midsummer, when warm, moist plains air builds into tall storms that move across the open terrain. Radar sits well off here, the nearest beam from North Platte (KLNX) some 139 miles to the south, riding far overhead by the time it reaches the county and giving only a high, coarse view.
The hail record for Lyman County, SD
Lyman County sits in an active hail corridor for severe storms.
Rather than a single peak, hail turns up from spring through summer in Lyman County, most often in June.
Common questions
How often does it hail in Lyman County?
NOAA radar has confirmed 25 severe hail events (1 inch or larger) in the Lyman County area since 2025.
When is hail season in Lyman County?
Lyman County sees hail from spring into early summer, most often in June.
What's the largest hail recorded in Lyman County?
Radar confirmed 2.3-inch hail, about golf ball size, on June 29, 2026.
Does homeowner's insurance cover hail damage?
Hail is a covered peril under most standard homeowner's policies (typically HO-3), subject to your deductible. Whether you have replacement-cost or actual-cash-value coverage makes a big difference in what's paid out. Your declarations page will say which.
How do I know if my roof was damaged by hail?
Common signs are granules collecting in gutters and downspouts, bruised or cracked shingles, and dents on soft metals like vents, flashing, and gutter tops. A lot of hail damage isn't visible from the ground, so a professional inspection is the reliable check.
Hail just hit, what should I do?
Safely photograph any hail and note the time, then confirm what radar recorded at your address before calling your insurer. Most policies require prompt notice after a hail event, and deadlines vary by policy and state, so don't wait to document it.
Will it hail again in Lyman County this year?
Lyman County's record already includes more than one confirmed event in a single season. That's what the data shows so far, not a prediction for any given season.
Recent confirmed hail near Lyman County, SD
What this means for your home
If you were just hit
With recent hail in Lyman County, you're still in the window to document and report it. Photograph any damage, note the storm date, confirm what radar detected at your address, and review your policy's reporting requirements. Deadlines vary.
Damage can be invisible from the ground
At Lyman County's typical sizes, hail often bruises shingles and loosens granules without obvious holes, shortening roof life in ways that are easy to miss until the next storm or an inspection.
Document before you repair
If you suspect hail damage, photograph it and note the storm's date before making any repairs. Undocumented or already-fixed damage is much harder to claim later.
Get more than one estimate
After a damaging storm, reputable local roofers get busy and out-of-town crews flood in. Get multiple written estimates and verify licensing and local references before signing anything.
Replacement cost vs. actual cash value
An RCV policy pays to replace your roof at today's prices; an ACV policy subtracts depreciation for the roof's age, which can mean a much smaller check on an older roof. Knowing which you carry shapes what a hail claim is actually worth.
Claims have deadlines
Policies set a deadline for hail-damage claims, and state law may also apply. Windows range from months to several years depending on your state and policy. Knowing the exact date hail hit your address helps you file on time.
Before you call your insurer
Get the radar evidence for your address.
A NOAA Radar Evidence Report documents exactly what federal radar recorded at your address - hail size, date, and signature - in a formatted PDF you can attach to a claim. Built entirely from public NOAA data.
Events are NOAA/NWS Severe Thunderstorm Warnings with confirmed hail ≥ 1 inch, matched to this county by the warning centroid. Federal public-domain data. A confirmed event indicates radar-detected hail over the area, not a guarantee of damage to any specific property.