Hail History

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Hail history for Grand Forks, ND

Last hail within 10 milesAug 3, 20260.5 in (marble)
Hail days, last 12 months1
Largest hail since 20062 in (hen egg)Aug 14, 2009
Hail days since 200640
Days with hail 1 inch or larger25
Tornadoes within 10 miles10
Damaging wind reports within 10 miles159

Hail has been reported within 10 miles of Grand Forks on 40 days since 2006. The largest stones measured 2 in (hen egg) on Aug 14, 2009. Hail is most common here in June and July.

Grand Forks ranks #401 for hail days among the 1,399 U.S. cities of 25,000 to 100,000 people. See the ranking →

Recent hail near Grand Forks

DateHail sizeWhereSource
Aug 3, 20260.5 in
marble		Grand Forks
1 hail report · closest 3 mi from Grand Forks		NWS storm report (preliminary)
Jul 7, 20251 in
quarter		Grand Forks, Merrifield, Northland
4 hail reports · closest 2 mi from Grand Forks		NOAA Storm Events

One row per day: the largest hail reported that day within 10 miles, the places and the number of reports.

Hail days near Grand Forks by year

1061073081093102115122131421531631731821932012122212324125126

When hail season peaks near Grand Forks

Of the 40 hail days since 2006, most fell in June (12) and July (11).

JanFebMar1Apr4May12Jun11Jul10Aug2SepOctNovDec

Largest hail storms near Grand Forks

Aug 14, 2009 · 2 in (hen egg) · Grand Forks (2 mi from Grand Forks)

National Weather Service description (English): The hail fell in the downtown Grand Forks area. Some melting occurred prior to the measurement, so it could have been a little larger.

Aug 23, 2016 · 1.75 in (golf ball) · Merrifield (7 mi from Grand Forks)

Jun 17, 2010 · 1.25 in (half dollar) · Grand Forks Int (7 mi from Grand Forks)

Aug 11, 2011 · 1.25 in (half dollar) · Grand Forks (2 mi from Grand Forks)

Jul 4, 2012 · 1.25 in (half dollar) · Northland (9 mi from Grand Forks)

Tornadoes within 10 miles of Grand Forks

DateRatingWherePath
Aug 8, 2025EF1Grand Forks Int
9 mi from Grand Forks		5.7 mi long, 50 yd wide
Aug 8, 2025EF1Grand Forks
3 mi from Grand Forks		3.8 mi long, 400 yd wide
Aug 8, 2025EF0East Grand Forks
1 mi from Grand Forks		0.3 mi long, 400 yd wide
Aug 9, 2021EF1Davidson
10 mi from Grand Forks		3.6 mi long, 200 yd wide
Jul 7, 2016EF0Powell
8 mi from Grand Forks		0.2 mi long, 20 yd wide
Jul 7, 2016EF0Merrifield
7 mi from Grand Forks		0.5 mi long, 40 yd wide
Jul 12, 2015EF0Grand Forks Int
7 mi from Grand Forks		0.1 mi long, 10 yd wide
Jun 17, 2010EF1Grand Forks Int
9 mi from Grand Forks		10.0 mi long, 50 yd wide
Jun 26, 2009EF0Grand Forks
4 mi from Grand Forks		0.1 mi long, 25 yd wide
Aug 26, 2007EF1Merrifield
9 mi from Grand Forks		5.0 mi long, 150 yd wide

Damaging thunderstorm winds near Grand Forks

159 reports of damaging thunderstorm wind within 10 miles of Grand Forks since 2006, on 71 days. The strongest measured gust was 92 mph on Jun 21, 2025.

DateStrongest gustWhereSource
Jul 30, 2026damage reportedGrand Forks
2 wind reports		NWS storm report (preliminary)
Oct 5, 202563 mph, measuredGrand Forks Int
1 wind report		NOAA Storm Events
Aug 8, 202570 mph, estimatedKey West, Grand Forks Int
2 wind reports		NOAA Storm Events
Jul 27, 202570 mph, estimatedGrand Forks, Grand Forks Int
3 wind reports		NOAA Storm Events
Jul 7, 202570 mph, estimatedMallory
1 wind report		NOAA Storm Events
Jul 4, 202570 mph, estimatedMerrifield, Grand Forks
2 wind reports		NOAA Storm Events
Jun 21, 202592 mph, measuredThompson, Mallory, Grand Forks Int
3 wind reports		NOAA Storm Events
May 15, 202558 mph, estimatedMerrifield
1 wind report		NOAA Storm Events
Aug 29, 202460 mph, estimatedThompson
1 wind report		NOAA Storm Events
Jun 18, 202460 mph, estimatedMerrifield
1 wind report		NOAA Storm Events

Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.

Filing a roof or car hail claim?

Insurers ask for the date of loss. The dates on this page are when hail was reported near Grand Forks; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.

Nearby cities

Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then). Distances are measured from the center of Grand Forks.

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