Heads up! Small hail spotted in these regions: Kingsport, TN • Fayetteville, NC • Durham, NC • Johnson City, TN • Colorado Springs, CO • Denver, CO      ATTENTION! Damaging hail detected. Hail tracking is now active for these regions: Champaign, IL • Mattoon, IL • Sebring, FL • North Port, FL • Fort Myers, FL • Tampa, FL • Lakeland, FL • Knoxville, TN • Farmington, NM • Louisville, KY • Winston, NC • Greensboro, NC • Provo, UT • Logan, UT • Ogden, UT • Salt Lake City, UT      
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Grundy County Hail Maps with Reports

Explore 199 free hail maps with reports in Grundy County, with hail up to 4.00+ and 1,402 local reports on record.

Example: 50613 — find Grundy County hail maps with reports for your ZIP
199
Hail Maps
4.00+
Largest Hail
1,402
Local Reports
Sep 4, 2026
Last Hail Map
Source  NOAA NEXRAD · NWS Coverage  Grundy County, Iowa Updated  Sep 7, 2026 · 2:01 AM CDT
Latest Hail Maps

Recent Grundy County Hail Maps with Reports

Browse the 199 most recent free hail maps with reports in Grundy County.

Hail map for Mason City, IA
Sep 4, 2026
1.50" Hail
Home Inspection Score Moderate
Mason City, IA
2K Homes Hail map with reports →
Hail map for Mason City, IA
Aug 11, 2026
1.25" Hail
Home Inspection Score Low
Mason City, IA
3K Homes Hail map with reports →
Hail map for Des Moines, IA
Aug 11, 2026
1.50" Hail
Home Inspection Score Moderate
Des Moines, IA
7K Homes Hail map with reports →
Hail map for Mason City, IA
Aug 10, 2026
1.25" Hail
Home Inspection Score Low
Mason City, IA
6K Homes Hail map with reports →
Hail map for Cedar Rapids, IA
Aug 10, 2026
1.25" Hail
Home Inspection Score Low
Cedar Rapids, IA
2K Homes Hail map with reports →
Hail map for Mason City, IA
Aug 8, 2026
1.25" Hail
Home Inspection Score Low
Mason City, IA
3K Homes Hail map with reports →
Hail map for Mason City, IA
Aug 7, 2026
2.00" Hail
Home Inspection Score Moderate
Mason City, IA
31K Homes Hail map with reports →
Hail map for Cedar Rapids, IA
Aug 7, 2026
3.50" Hail
Home Inspection Score High
Cedar Rapids, IA
38K Homes Hail map with reports →
Hail map for Des Moines, IA
Aug 4, 2026
1.00" Hail
Home Inspection Score Low
Des Moines, IA
2K Homes Hail map with reports →
Hail map for Mason City, IA
Jul 26, 2026
1.00" Hail
Home Inspection Score Low
Mason City, IA
2K Homes Hail map with reports →
Hail map for Mason City, IA
Jul 20, 2026
2.25" Hail
Home Inspection Score High
Mason City, IA
30K Homes Hail map with reports →
Hail map for Des Moines, IA
Jul 20, 2026
2.50" Hail
Home Inspection Score High
Des Moines, IA
225K Homes Hail map with reports →
Hail map for Cedar Rapids, IA
Jul 20, 2026
1.25" Hail
Home Inspection Score Low
Cedar Rapids, IA
6K Homes Hail map with reports →
Hail map for Mason City, IA
Jul 13, 2026
1.25" Hail
Home Inspection Score Low
Mason City, IA
48 Homes Hail map with reports →
Hail map for Cedar Rapids, IA
Jul 10, 2026
0.75" Hail
Home Inspection Score Low
Cedar Rapids, IA
356 Homes Hail map with reports →
Hail map for Cedar Rapids, IA
Jul 9, 2026
0.75" Hail
Home Inspection Score Low
Cedar Rapids, IA
273 Homes Hail map with reports →
Hail map for Mason City, IA
Jul 8, 2026
2.00" Hail
Home Inspection Score Moderate
Mason City, IA
21K Homes Hail map with reports →
Hail map for Mason City, IA
Jul 4, 2026
1.00" Hail
Home Inspection Score Low
Mason City, IA
1K Homes Hail map with reports →
Hail map for Des Moines, IA
Jul 3, 2026
1.50" Hail
Home Inspection Score Moderate
Des Moines, IA
99K Homes Hail map with reports →
Hail map for Mason City, IA
Jul 2, 2026
2.00" Hail
Home Inspection Score Moderate
Mason City, IA
36K Homes Hail map with reports →
Showing 199 of 199 hail maps

Looking for hail activity at your Grundy County property? Run a free Hail Report by Address to see whether recent hail was mapped at your location.

Browse by City

Top Grundy County Cities with Hail Maps

Some Grundy County cities see mapped hail activity year after year. Choose a city to review recent and historical hail maps and see how large the hail was.

DikeIA
24 hail maps with reports
WellsburgIA
17 hail maps with reports
ConradIA
13 hail maps with reports
ReinbeckIA
12 hail maps with reports
BeamanIA
11 hail maps with reports
StoutIA
11 hail maps with reports
Browse by ZIP

Top Grundy County ZIP Codes with Hail Maps

Get closer to the neighborhood level. These Grundy County ZIP codes have some of the most mapped hail activity in our records, helping you find a more local signal near your home.

50613Cedar Falls, IA
85 hail maps with reports
50669Reinbeck, IA
75 hail maps with reports
50643Hudson, IA
59 hail maps with reports
50601Ackley, IA
56 hail maps with reports
50624Dike, IA
50 hail maps with reports
50665Parkersburg, IA
44 hail maps with reports
50621Conrad, IA
40 hail maps with reports
50660New Hartford, IA
38 hail maps with reports
50604Aplington, IA
36 hail maps with reports
50609Beaman, IA
36 hail maps with reports
50638Grundy Center, IA
31 hail maps with reports
50680Wellsburg, IA
30 hail maps with reports
Showing 12 of 16 ZIP codes

Don't see your ZIP code? Only some Grundy County ZIP codes are shown here. Run a free Hail Report by Address to check hail activity at your property.

Nearby Counties

Counties Near Grundy County

Browse counties within 10 miles of Grundy County ZIP coverage to check recent and historical hail maps with reports.

Tama CountyIA
211 hail maps with reports
Black Hawk CountyIA
192 hail maps with reports
Hardin CountyIA
167 hail maps with reports
Butler CountyIA
163 hail maps with reports
Marshall CountyIA
143 hail maps with reports
Bremer CountyIA
140 hail maps with reports
Story CountyIA
133 hail maps with reports
Franklin CountyIA
120 hail maps with reports

The counties shown here are nearby references, not a full list of counties in the state.

Get a Remote Hail Inspection

Not sure if hail may have affected your home in Grundy County? Ask a local pro for a Remote Hail Inspection. They can review hail activity for your property and help you decide whether an in-person roof or exterior inspection makes sense.

Grundy County Hail Maps FAQ

How many hail maps with reports are available in Grundy County?

HailGeeks currently lists 199 Grundy County hail maps with reports, including recent and historical mapped hail activity across the county.

What is the largest mapped hail size in Grundy County?

The largest mapped hail size currently shown for Grundy County is 4.00+ inches. A hail map shows estimated or reported hail activity, not confirmed damage at every property.

When was the latest Grundy County hail map updated?

The Grundy County hail maps page was last updated on Sep 7, 2026, at 2:01 AM CDT.

How do I find hail maps near my Grundy County home?

You can browse Grundy County hail maps by city, date, or ZIP code. For a specific property, run a free Hail Report by Address to check whether hail activity was mapped at your location.

Does a Grundy County hail map mean my roof is damaged?

No. A hail map shows mapped or reported hail activity. It can help you decide whether a roof or exterior inspection may make sense, but it does not confirm property damage.

What should I do if I do not see my storm date?

Run a free Hail Report by Address to check whether recent hail activity was recorded at your Grundy County property.

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