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U.S. Storm Day Summary

U.S. Hail and Wind Summary for May 15, 2025

May 15, 2025 | United States | 2025-05-15 national severe weather summary

National storm summary for May 15, 2025: 274 hail reports and 397 wind/tornado reports across 16 states. Peak hail reached 4.00 in and peak wind reached 96 mph.

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Impacted Places

1 W Oregon, WIElroy, WIEast Troy, WIAthens, IL3 SSW Waverly, MITrempealeau, WIIthaca, WI2 NE Maple Bluff, WI3 SSW Altoona, WISparta, WIAltoona, WI1 W Altoona, WI3 SW Chippewa Falls, WI3 W Middleton, WI2 WSW Altoona, WI4 W Cottage Grove, WICamp Douglas, WI1 W Bishop Hill, ILTheresa, WI2 E Evergreen, WIElkhart, IL3 W Lincoln, ILBroadwell, IL2 NW Broadwell, IL

Hail Stats

Max Report
4.00 in
Reports
274
Severe Reports
274

Wind Stats

Max Gust
96 mph
Reports
397
Tornado Reports
38

Ring Impact (1mi / 3mi / 10mi)

hail

Events within 1 mile
274
Events within 3 miles
329
Events within 10 miles
411
Severe days within 10 miles
1
Max within 10 miles
4.00 in

wind

Events within 1 mile
397
Events within 3 miles
476
Events within 10 miles
596
Severe days within 10 miles
1
Max within 10 miles
96 mph

Verified Event Log (5-Year Window)

DateHazardIntensityDistanceLocationSource
2025-05-15hail4.00 in-2 W Altoona, WINOAA SPC
2025-05-15hail3.75 in-2 WSW Altoona, WINOAA SPC
2025-05-15hail3.50 in-Altoona, WINOAA SPC
2025-05-15hail3.00 in-2 WSW Altoona, WINOAA SPC
2025-05-15hail3.00 in-3 N Saunemin, ILNOAA SPC
2025-05-15hail2.75 in-3 SSW Altoona, WINOAA SPC
2025-05-15hail2.75 in-Altoona, WINOAA SPC
2025-05-15hail2.75 in-1 SE Emington, ILNOAA SPC
2025-05-15hail2.50 in-1 W Altoona, WINOAA SPC
2025-05-15hail2.50 in-1 W Altoona, WINOAA SPC
2025-05-15hail2.50 in-Stokes, NCNOAA SPC
2025-05-15hail2.50 in-4 W Waterford, WINOAA SPC
2025-05-15hail2.50 in-1 SE Ixonia, WINOAA SPC
2025-05-15hail2.50 in-1 W Normal, ILNOAA SPC
2025-05-15hail2.50 in-Saunemin, ILNOAA SPC
2025-05-15hail2.25 in-3 NNW Altoona, WINOAA SPC
2025-05-15hail2.25 in-4 W Cottage Grove, WINOAA SPC
2025-05-15hail2.00 in-Madison, WINOAA SPC
2025-05-15hail2.00 in-3 S Eau Claire, WINOAA SPC
2025-05-15hail2.00 in-5 S Altoona, WINOAA SPC
2025-05-15tornadoTornado UNK-7 NE Watson, MNNOAA SPC
2025-05-15tornadoTornado UNK-2 E Danvers, MNNOAA SPC
2025-05-15tornadoTornado UNK-3 NW Danvers, MNNOAA SPC
2025-05-15tornadoTornado UNK-1 W Benson, MNNOAA SPC

Relayed with photo by WQOW. (MPX)

Email with picture. (MPX)

Relayed with photo from WQOW. (MPX)

3 inch diameter hail measured at the WEAU studios. (MPX)

Photo shows 3 inch diameter hail near IL-47 and E 2100 N Road north of Saunemin. Time estimated by radar. Report relayed by broadcast media. (LOT)

Corrects previous hail report from 3 SSW Altoona. Corrects previous hail report from 3 SSW Altoona. measured at the WQOW studios. (MPX)

Report from mPING: Baseball (2.75 in.). (MPX)

Photo shared to social media shows baseball size hail near Emington. Time estimated by radar. (LOT)

Report Highlights

  • 274 hail reports were logged nationwide on May 15, 2025.
  • The largest hail report reached 4.00 in.
  • 397 wind/tornado reports were logged nationwide on May 15, 2025.
  • 38 tornado reports were included in this day summary.

Data & Methodology

Noaa Spc
671
  • Derived from NOAA SPC daily severe weather reports.

Explore More Reports

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Day Summary Archives

Recent Day Summaries

Timeline

  1. 2025-05-15T23:59:00Z

    Wind 62 mph

    Mesonet station UR707 Broadwell. (ILX)

  2. 2025-05-15T23:59:00Z

    Wind 60 mph

    (ILX)

  3. 2025-05-15T23:59:00Z

    Wind 69 mph

    Private weather station KILLELAN2 reported 69 mph gust north of Leland. (LOT)

  4. 2025-05-15T23:58:00Z

    Hail 1.25 in

    Report from mPING: Half Dollar (1.25 in.). (MKX)

  5. 2025-05-15T23:57:00Z

    Wind 58 mph

    Private weather station reported 58 mph gust near Wonder Lake. (LOT)

  6. 2025-05-15T23:55:00Z

    Hail 1.75 in

    Public report of golf ball size hail near Winthrop Harbor. Relayed via mping. (LOT)

  7. 2025-05-15T23:55:00Z

    Wind Wind report

    Report of wind damage to trees due to severe thunderstorms. Location is approximate on Little Marais Road near Finland. Time is estimated by radar. Some trees were upro (DLH)

  8. 2025-05-15T23:54:00Z

    Hail 2.00 in

    Multiple public reports of hail up to 2 inches in diameter in Winthrop Harbor. (LOT)

  9. 2025-05-15T23:54:00Z

    Hail 1.00 in

    Report from mPING: Quarter (1.00 in.). (MKX)

  10. 2025-05-15T23:54:00Z

    Wind Wind report

    Multiple calls for wires down and some tree damage. No significant damage. (MKX)

  11. 2025-05-15T23:53:00Z

    Hail 2.00 in

    Picture of 2 inch hail. (MKX)

  12. 2025-05-15T23:52:00Z

    Hail 1.75 in

    The hail fell several miles east of Blounts Creek. (MHX)