May 1 in Weather History

260 events on record, 1212 to 2026

Every tornado, hurricane, flood, blizzard, heat wave, record, earthquake, eruption, tsunami, wildfire and geomagnetic storm on record for May 1, in any year, each linked to its full record.

← April 30TodayMay 2 →

May 1 on the map

Every event with a place, colored by kind. Tap one to open its record.

  • Tornadoes
  • Floods
  • Severe storms
  • Heat and drought
  • Cold
  • Wildfires
  • Earthquakes
  • Volcanoes
  • Tsunamis
  • Other weather

The most significant

By deaths, damage and strength together, across every archive.

Tornadoes

1895F5 tornado, Sedgwick, Harvey counties, Kansas

An F5 tornado touched down in Sedgwick, Harvey counties, Kansas and tracked 21.9 miles, 1,200 yards wide at its widest, killing 8 and injuring 25. From Grazulis's record of significant tornadoes: Sedgwick to NW Newton, KS.

Rating
F5
Deaths
8
Injuries
25
Path
21.9 mi
Width
1,200 yd

The full record

Tornadoes

1933F4 tornado, Webster Parish, Louisiana

An F4 tornado touched down in Webster Parish, Louisiana and tracked 5.9 miles, 400 yards wide at its widest, killing 28 and injuring 400. From Grazulis's record of significant tornadoes: Minden, LA.

Rating
F4
Deaths
28
Injuries
400
Path
5.9 mi
Width
400 yd

The full record

Tornadoes

1875F4 tornado, Walton, Morgan, Greene counties, Georgia

An F4 tornado touched down in Walton, Morgan, Greene counties, Georgia and tracked 40.3 miles, 200 yards wide at its widest, killing 7 and injuring 35. From Grazulis's record of significant tornadoes: N Rutledge/S Maxeys/N Greensboro, GA.

Rating
F4
Deaths
7
Injuries
35
Path
40.3 mi
Width
200 yd

The full record

Tornadoes

1898F4 tornado, Wheeler County, Texas

An F4 tornado touched down in Wheeler County, Texas and tracked 5.3 miles, 400 yards wide at its widest, killing 7 and injuring 35. From Grazulis's record of significant tornadoes: Old Mobeetie, TX.

Rating
F4
Deaths
7
Injuries
35
Path
5.3 mi
Width
400 yd

The full record

Tornadoes

1953F4 tornado, Clay County, Alabama

An F4 tornado touched down in Clay County, Alabama and tracked 12.1 miles, 440 yards wide at its widest, killing 7 and injuring 12.

Rating
F4
Deaths
7
Injuries
12
Path
12.1 mi
Width
440 yd

The full record

Tornadoes

1930F4 tornado, Ray, Carroll counties, Missouri

An F4 tornado touched down in Ray, Carroll counties, Missouri and tracked 11 miles, 200 yards wide at its widest, killing 6 and injuring 20. From Grazulis's record of significant tornadoes: Norborne, MO.

Rating
F4
Deaths
6
Injuries
20
Path
11 mi
Width
200 yd

The full record

Tornadoes

1938F4 tornado, Pratt, Kingman counties, Kansas

An F4 tornado touched down in Pratt, Kingman counties, Kansas and tracked 12.3 miles, 200 yards wide at its widest, killing 6 and injuring 20. From Grazulis's record of significant tornadoes: Cunningham, KS.

Rating
F4
Deaths
6
Injuries
20
Path
12.3 mi
Width
200 yd

The full record

Tornadoes

1930F4 tornado, Burt, Harrison counties, Nebraska

An F4 tornado touched down in Burt, Harrison counties, Nebraska and tracked 15.5 miles, 600 yards wide at its widest, killing 4 and injuring 40. From Grazulis's record of significant tornadoes: Tekamah NE to IA.

Rating
F4
Deaths
4
Injuries
40
Path
15.5 mi
Width
600 yd

The full record

By kind

Tornadoes

112 on May 1, oldest first.

1875F4 tornado, Walton, Morgan, Greene counties, Georgia

An F4 tornado touched down in Walton, Morgan, Greene counties, Georgia and tracked 40.3 miles, 200 yards wide at its widest, killing 7 and injuring 35. From Grazulis's record of significant tornadoes: N Rutledge/S Maxeys/N Greensboro, GA.

Rating
F4
Deaths
7
Injuries
35
Path
40.3 mi
Width
200 yd

The full record

1875F3 tornado, Lee, Harris, Talbot counties, Alabama

An F3 tornado touched down in Lee, Harris, Talbot counties, Alabama and tracked 70.2 miles, 300 yards wide at its widest, killing 22 and injuring 30. From Grazulis's record of significant tornadoes: Opelika/Goodwater/Oak Bowery, AL/N Talbotton, GA.

Rating
F3
Deaths
22
Injuries
30
Path
70.2 mi
Width
300 yd

The full record

1895F5 tornado, Sedgwick, Harvey counties, Kansas

An F5 tornado touched down in Sedgwick, Harvey counties, Kansas and tracked 21.9 miles, 1,200 yards wide at its widest, killing 8 and injuring 25. From Grazulis's record of significant tornadoes: Sedgwick to NW Newton, KS.

Rating
F5
Deaths
8
Injuries
25
Path
21.9 mi
Width
1,200 yd

The full record

1898F4 tornado, Wheeler County, Texas

An F4 tornado touched down in Wheeler County, Texas and tracked 5.3 miles, 400 yards wide at its widest, killing 7 and injuring 35. From Grazulis's record of significant tornadoes: Old Mobeetie, TX.

Rating
F4
Deaths
7
Injuries
35
Path
5.3 mi
Width
400 yd

The full record

1898F2 tornado, Cedar County, Missouri

An F2 tornado touched down in Cedar County, Missouri and tracked 6.6 miles, 30 yards wide at its widest, killing 1 and injuring 35. From Grazulis's record of significant tornadoes: Jerico Springs, MO.

Rating
F2
Deaths
1
Injuries
35
Path
6.6 mi
Width
30 yd

The full record

1902F3 tornado, Decatur, Clarke, Lucas counties, Iowa

An F3 tornado touched down in Decatur, Clarke, Lucas counties, Iowa and tracked 18 miles, 100 yards wide at its widest, injuring 5. From Grazulis's record of significant tornadoes: S Van Wert/Long Creek/Franklin Township to NE Woodburn, IA.

Rating
F3
Injuries
5
Path
18 mi
Width
100 yd

The full record

1909F3 tornado, Baker, Dougherty counties, Georgia

An F3 tornado touched down in Baker, Dougherty counties, Georgia and tracked 29.9 miles, 300 yards wide at its widest, killing 6 and injuring 25. From Grazulis's record of significant tornadoes: S Milford/S Albany, GA.

Rating
F3
Deaths
6
Injuries
25
Path
29.9 mi
Width
300 yd

The full record

1909F2 tornado, Chatham County, Georgia

An F2 tornado touched down in Chatham County, Georgia and tracked 0.6 miles, 50 yards wide at its widest, killing 1 and injuring 1. From Grazulis's record of significant tornadoes: SW Savannah, GA.

Rating
F2
Deaths
1
Injuries
1
Path
0.6 mi
Width
50 yd

The full record

1912F2 tornado, Webb County, Texas

An F2 tornado touched down in Webb County, Texas and tracked 2 miles, killing 1 and injuring 3. From Grazulis's record of significant tornadoes: Minera, TX.

Rating
F2
Deaths
1
Injuries
3
Path
2 mi

The full record

1929F3 tornado, Monroe, St. Francis counties, Arkansas

An F3 tornado touched down in Monroe, St. Francis counties, Arkansas and tracked 15.2 miles, 200 yards wide at its widest, killing 9 and injuring 40. From Grazulis's record of significant tornadoes: Brinkley to NE Wheatley, AR.

Rating
F3
Deaths
9
Injuries
40
Path
15.2 mi
Width
200 yd

The full record

1930F4 tornado, Ray, Carroll counties, Missouri

An F4 tornado touched down in Ray, Carroll counties, Missouri and tracked 11 miles, 200 yards wide at its widest, killing 6 and injuring 20. From Grazulis's record of significant tornadoes: Norborne, MO.

Rating
F4
Deaths
6
Injuries
20
Path
11 mi
Width
200 yd

The full record

1930F4 tornado, Burt, Harrison counties, Nebraska

An F4 tornado touched down in Burt, Harrison counties, Nebraska and tracked 15.5 miles, 600 yards wide at its widest, killing 4 and injuring 40. From Grazulis's record of significant tornadoes: Tekamah NE to IA.

Rating
F4
Deaths
4
Injuries
40
Path
15.5 mi
Width
600 yd

The full record

1930F4 tornado, Wayne, Lucas, Monroe counties, Iowa

An F4 tornado touched down in Wayne, Lucas, Monroe counties, Iowa and tracked 17.2 miles, 100 yards wide at its widest, killing 1 and injuring 15. From Grazulis's record of significant tornadoes: WSW Bethleham, to N Melrose, IA.

Rating
F4
Deaths
1
Injuries
15
Path
17.2 mi
Width
100 yd

The full record

1930F3 tornado, La Crosse, Monroe counties, Wisconsin

An F3 tornado touched down in La Crosse, Monroe counties, Wisconsin and tracked 35 miles, 100 yards wide at its widest, injuring 15. From Grazulis's record of significant tornadoes: S Holmen/N West Salem/Sparta to Tomah, WI.

Rating
F3
Injuries
15
Path
35 mi
Width
100 yd

The full record

1930F3 tornado, Wayne County, Iowa

An F3 tornado touched down in Wayne County, Iowa and tracked 18.2 miles, 400 yards wide at its widest, injuring 7. From Grazulis's record of significant tornadoes: E Clio to S Allerton/E Corydon, IA.

Rating
F3
Injuries
7
Path
18.2 mi
Width
400 yd

The full record

1930F3 tornado, Cuming, Thurston counties, Nebraska

An F3 tornado touched down in Cuming, Thurston counties, Nebraska and tracked 7.1 miles, 120 yards wide at its widest, injuring 4. From Grazulis's record of significant tornadoes: SW Bancroft to E Bancroft, NE.

Rating
F3
Injuries
4
Path
7.1 mi
Width
120 yd

The full record

1930F3 tornado, Andrew, DeKalb counties, Missouri

An F3 tornado touched down in Andrew, DeKalb counties, Missouri and tracked 17.2 miles, 300 yards wide at its widest, injuring 1. From Grazulis's record of significant tornadoes: SW Rosendale to S Union Star, MO.

Rating
F3
Injuries
1
Path
17.2 mi
Width
300 yd

The full record

1930F2 tornado, Vernon County, Wisconsin

An F2 tornado touched down in Vernon County, Wisconsin and tracked 7.8 miles, 100 yards wide at its widest, killing 1 and injuring 11. From Grazulis's record of significant tornadoes: Westby, WI.

Rating
F2
Deaths
1
Injuries
11
Path
7.8 mi
Width
100 yd

The full record

1933F4 tornado, Webster Parish, Louisiana

An F4 tornado touched down in Webster Parish, Louisiana and tracked 5.9 miles, 400 yards wide at its widest, killing 28 and injuring 400. From Grazulis's record of significant tornadoes: Minden, LA.

Rating
F4
Deaths
28
Injuries
400
Path
5.9 mi
Width
400 yd

The full record

1933F3 tornado, Fulton County, Illinois

An F3 tornado touched down in Fulton County, Illinois and tracked 12.2 miles, 300 yards wide at its widest, killing 4 and injuring 30. From Grazulis's record of significant tornadoes: Lewistown to S Dunfermline, IL.

Rating
F3
Deaths
4
Injuries
30
Path
12.2 mi
Width
300 yd

The full record

1933F3 tornado, Fulton, Howell, Oregon counties, Arkansas

An F3 tornado touched down in Fulton, Howell, Oregon counties, Arkansas and tracked 34.9 miles, 400 yards wide at its widest, killing 2 and injuring 34. From Grazulis's record of significant tornadoes: N Salem, AR to NW Alton, MO.

Rating
F3
Deaths
2
Injuries
34
Path
34.9 mi
Width
400 yd

The full record

1933F2 tornado, Columbia County, Arkansas

An F2 tornado touched down in Columbia County, Arkansas and tracked 8.4 miles, 100 yards wide at its widest, killing 6 and injuring 4. From Grazulis's record of significant tornadoes: SE Magnolia, AR.

Rating
F2
Deaths
6
Injuries
4
Path
8.4 mi
Width
100 yd

The full record

1936F3 tornado, Caddo County, Oklahoma

An F3 tornado touched down in Caddo County, Oklahoma and tracked 2.1 miles, 400 yards wide at its widest, killing 3 and injuring 13. From Grazulis's record of significant tornadoes: Albert, OK.

Rating
F3
Deaths
3
Injuries
13
Path
2.1 mi
Width
400 yd

The full record

1938F4 tornado, Pratt, Kingman counties, Kansas

An F4 tornado touched down in Pratt, Kingman counties, Kansas and tracked 12.3 miles, 200 yards wide at its widest, killing 6 and injuring 20. From Grazulis's record of significant tornadoes: Cunningham, KS.

Rating
F4
Deaths
6
Injuries
20
Path
12.3 mi
Width
200 yd

The full record

1938F3 tornado, Reno County, Kansas

An F3 tornado touched down in Reno County, Kansas and tracked 10.2 miles, 800 yards wide at its widest, injuring 2. From Grazulis's record of significant tornadoes: S Arlington, KS.

Rating
F3
Injuries
2
Path
10.2 mi
Width
800 yd

The full record

1948F4 tornado, Neosho County, Kansas

An F4 tornado touched down in Neosho County, Kansas and tracked 24.5 miles, 400 yards wide at its widest, killing 2 and injuring 5. From Grazulis's record of significant tornadoes: S Thayer to S Kimball, KS.

Rating
F4
Deaths
2
Injuries
5
Path
24.5 mi
Width
400 yd

The full record

1948F3 tornado, Rogers, Craig, Delaware counties, Oklahoma

An F3 tornado touched down in Rogers, Craig, Delaware counties, Oklahoma and tracked 35.8 miles, 100 yards wide at its widest, killing 4 and injuring 175. From Grazulis's record of significant tornadoes: N Chelsea to S Bernice, OK.

Rating
F3
Deaths
4
Injuries
175
Path
35.8 mi
Width
100 yd

The full record

1948F3 tornado, Craig, Delaware counties, Oklahoma

An F3 tornado touched down in Craig, Delaware counties, Oklahoma and tracked 15.2 miles, 100 yards wide at its widest, injuring 15. From Grazulis's record of significant tornadoes: N Ketchum to Grove, OK.

Rating
F3
Injuries
15
Path
15.2 mi
Width
100 yd

The full record

2003May of 2003 was an unusual year for tornadoes in the central United States, as most outbreaks occurred during the…

May of 2003 was an unusual year for tornadoes in the central United States, as most outbreaks occurred during the first two weeks of the month. A record-breaking 384 tornadoes occurred in 19 states during these first two weeks, which resulted in 42 fatalities. Included in these record-breaking events were the tornadoes which hit the Oklahoma City metropolitan area on May 8th and 9th.

From the National Weather Service in Norman, Oklahoma.

The full record

2003Tornado in Oklahoma, May 1, 2003

A supercell thunderstorm moved southeast across Broken Bow, OK. Two new frame homes under construction had roofs torn off. A total of 30 to 40 wood frame homes had roof and frame damage with windows broken. One home was destroyed. Numerous trees uprooted and snapped.

Damage
$260,000
Strongest
F2
Events
1

The full record

2007Tornadoes and Flash Flooding in Texas, May 1 to 3, 2007

A split in the upper levels of the atmosphere steered several southern stream impulses into north Texas, producing flash flooding, strong winds, and a few tornadoes. The most impressive of these events was a derecho which moved through North Texas on May 2.

Deaths
3
Injuries
4
Damage
$2.7 million
Strongest
EF0
Events
86

The full record

2008Tornadoes and Hail in Kansas, May 1 to 2, 2008

Thunderstorms developed along a dryline during the late afternoon of May 1st, and sustained as the synoptic cold front dove through the region later that evening. Two tornadoes touched down and caused damage in portions of Osage and Douglas Counties.

Damage
$360,000
Strongest
EF2
Events
44

The full record

2008Tornadoes in Iowa, May 1, 2008

Thunderstorms produced 5 confirmed tornadoes over extreme northwest Iowa during the early evening hours of May 1st. One large long track tornado caused considerable damage, while the other 4 tornadoes were short lived and weak.

Damage
$510,000
Strongest
EF2
Events
7

The full record

2009Tornadoes and Flash Flooding in Tennessee, May 1, 2009

A large area of showers and thunderstorms covered most of Middle Tennessee during the early afternoon through the mid evening hours as a strong cold front moved from the Ohio Valley into Middle Tennessee, resulting in two EF1 Tornadoes, heavy rainfall, flash flooding, large…

Injuries
3
Damage
$1.3 million
Strongest
EF1
Events
11

The full record

2010Tornadoes and Flash Flooding in Tennessee, May 1 to 4, 2010

A frontal boundary setup across Western and Middle Tennessee late Friday night (April 30), and remained through the weekend. A persistent southerly flow fed moisture into the area and precipitable water values rose to almost 2 inches, based on data from KOHX upper air soundings.

Deaths
18
Injuries
1
Damage
$1.6 billion
Strongest
EF2
Events
67

The full record

2010Tornadoes and Flash Flooding in Arkansas, May 1 to 2, 2010

Warm and humid conditions prevailed in Arkansas on the 1st. The approach of a cold front triggered the development of thunderstorms. Wind shear, a change in wind speed and direction with height, was not as favorable for the development of tornadoes as it was on April 30th.

Deaths
1
Damage
$1.1 million
Strongest
EF1
Events
27

The full record

2011Tornado and Flash Flooding in Arkansas, May 1 to 2, 2011

A nearly stationary front, extending from southwest Arkansas to the east central part of the state, served as a trigger for severe weather on the 1st. The front was also responsible for heavy to excessive rainfall amounts, which began on April 30th and continued through May 2nd.

Deaths
1
Damage
$3.7 million
Strongest
EF1
Events
28

The full record

2012Tornado and Flash Flooding in Oklahoma, May 1, 2012

Thunderstorms developed over far northeast Oklahoma, in the vicinity of a warm front and an outflow boundary from earlier thunderstorms. Large hail, damaging winds, several tornadoes and flash flooding were observed with these thunderstorms.

Injuries
1
Damage
$272,000
Strongest
EF2
Events
14

The full record

2017Tornado and Hail in Pennsylvania, May 1, 2017

A cold front crossed Pennsylvania the afternoon/evening of May 1, 2017. A squall line containing several bowing segments and mesovorticies formed in a strong vertical shear environment ahead of the front.

Damage
$360,000
Strongest
EF2
Events
59

The full record

2018Tornadoes and Hail in Kansas, May 1, 2018

Supercell T-storms developed across north central Kansas during the late afternoon on May 1. The supercells produced at least 4 documented tornadoes including a strong tornado in Ottawa county near Tescott Kansas. No injuries occurred with any of the storms.

Strongest
EF3
Events
15

The full record

2019Tornadoes and Flash Flooding in Texas, May 1 to 3, 2019

On May 1, a very unstable airmass, dryline and a residual outflow boundary combined across the Big Country or the region north of Interstate 20 to trigger a few supercell thunderstorms. These ingredients resulted in two tornado reports and a few hail reports.

Deaths
1
Strongest
1.75 in hail
Events
19

The full record

2022Tornadoes and Flash Flood in Texas, May 1, 2022

A strong upper level low pressure system moved across Nevada and Utah. Very moist air was across most of West Texas and Southeast New Mexico. High instability and wind shear were also present. An upper level disturbance had moved over the area which provided additional lift.

Damage
$911,000
Strongest
EF2
Events
26

The full record

2025Tornado and Hail in Alabama, May 1 to 3, 2025

Multiple days of thunderstorms across Central Alabama resulted in instances of wind damage and hail across the region from May 1-3. During the morning of May 1, a lightning strike in Pell City resulted in an injury.

Deaths
1
Injuries
2
Damage
$7,000
Strongest
EF0
Events
40

The full record

2026Tornado and Hail in Texas, May 1, 2026

On May 1, 2026, severe weather developed across South Texas as a shortwave trough moved eastward out of northern Mexico and interacted with a quasi-stationary frontal boundary draped across South Texas and the middle Texas coast.

Injuries
1
Damage
$2.8 million
Strongest
EF1
Events
55

The full record

Floods

32 on May 1, oldest first.

1998Heavy Rain in California, May 1 to 31, 1998

Continued abnormally wet weather during the month of May caused huge crop and livestock losses in not only San Joaquin County, but many counties in the Central Valley. However, only San Joaquin County had preliminary estimates available.

Damage
$200 million
Events
1

The full record

1998Heavy Rain in California, May 1 to 15, 1998

The final estimated total damage figures for agriculture by county for the late winter/spring rain and below normal temperatures (Februrary through May) in Central California:Madera $7.1M ... Merced $10.2M ... Fresno $7.2M ... Kern $5.9M ... Kings $73.6M ... Tulare $5.3M.

Damage
$109 million
Events
6

The full record

20082008 Saint John River Flood

The 2008 Saint John River flood was considered the worst flooding of the Saint John River in 35 years. Flood levels reached 27 feet and 4 inches in Fredericton on May 1, almost reaching the previous record of 28 feet and 3 inches, set in 1973.

Where
United States
Country
United States

From Wikipedia, CC BY-SA 4.0.

The full record

2009Flash Flooding and Flood in Oklahoma, May 1 to 2, 2009

A weak cold front and an outflow boundary provided the focus for slow moving and training thunderstorms which produced an average of 2 to 5 inches of rain across parts of northern Tulsa, Rogers, Mayes, Delaware, northern Cherokee and northern Adair Counties during the morning of…

Deaths
1
Damage
$391,000
Strongest
1.75 in hail
Events
30

The full record

2011Flooding in Arkansas, May 1 to 31, 2011

Areal flooding was widespread in Arkansas, beginning early in May. The flooding was caused by large amounts of rain on April 30th, and May 1st and 2nd; high water flowing down from Missouri; and backwater flooding from rivers and large creeks and bayous.

Deaths
2
Damage
$250 million
Events
45

The full record

2011Flooding in Tennessee, May 1 to 31, 2011

Heavy rains continued to occur across the Mid-Mississippi Valley into the Ohio Valley during the beginning part of May. In addition, spring snow melt across the Dakotas and Minnesota continued to create higher than normal river levels on the Mississippi River.

Damage
$2.0 billion
Events
5

The full record

2011Flooding in Arkansas, May 1 to 31, 2011

Heavy rains continued to occur across the Mid-Mississippi Valley into the Ohio Valley during the beginning part of May. In addition, spring snow melt across the Dakotas and Minnesota continued to create higher than normal river levels on the Mississippi River.

Deaths
4
Damage
$6.6 million
Events
14

The full record

2011Flooding in Mississippi, May 1 to 31, 2011

Heavy rains continued to occur across the Mid-Mississippi Valley into the Ohio Valley during the beginning part of May. In addition, spring snow melt across the Dakotas and Minnesota continued to create higher than normal river levels on the Mississippi River.

Damage
$1.0 billion
Events
3

The full record

2011Flooding in North Dakota, May 1 to 31, 2011

This was part of historic flooding in North Dakota with statewide costs estimated around 1.5 billion dollars. Flooding was the result of significant winter snows and significant spring rains, not only in North Dakota but in Saskatchewan, Canada, as well.

Damage
$110 million
Events
4

The full record

2011Flooding in Kentucky, May 1 to 31, 2011

Heavy rainfall in March set the stage for major flooding when record-setting rains fell in April and May. At Paducah, 15.91 inches of rain fell in April, which was 10.96 inches above normal.

Damage
$32 million
Events
13

The full record

2013Flooding in Illinois, May 1 to 22, 2013

High impact flooding on the Illinois River continued from April into much of May. Excessive rainfall during the middle of April led to widespread flooding across a large part of northern and central Illinois and resulted in record flooding along the Illinois River in central…

Deaths
1
Damage
$50 million
Events
10

The full record

2016Flash Flood and Hail in Kentucky, May 1, 2016

Scattered thunderstorms developed along a weak warm front that lifted north across the Ohio Valley. These storms produced locally heavy rainfall, large hail and isolated damaging wind gusts during the late afternoon and early evening hours.

Deaths
1
Damage
$52,000
Strongest
1 in hail
Events
5

The full record

2017Flooding in Missouri, May 1 to 6, 2017

Record or near-record flooding occurred after a succession of thunderstorm complexes dumped heavy rain in late April, bringing three-day rainfall totals up to a foot in isolated locations.

Deaths
1
Damage
$18 million
Events
4

The full record

2017Flooding in Idaho, May 1 to 31, 2017

Winter snow melt continued from record winter snowfall and flooding continued throughout much of May in much of southeast Idaho especially in the central mountains and along the Big Wood River.

Deaths
1
Damage
$14 million
Events
10

The full record

2017Flooding in Illinois, May 1 to 31, 2017

A series of heavy rainfall events in April, followed by another heavy rainfall event in early May, kept many rivers above flood stage for all or most of the month. Some of the river flooding was major.

Deaths
1
Damage
$850,000
Events
14

The full record

2019Flash Flood and Flood in Michigan, May 1, 2019

Heavy rain with thunderstorms produced 2 to 4 inches of rain in about a 4 hour window across the I-94 corridor. This amount of rain in a short period caused flash flooding across parts of Wayne County, with the Dearborn Heights area being hardest hit.

Damage
$64 million
Events
2

The full record

2022Flood in North Dakota, May 1, 2022

A male and female, both 74 years old, from Arcadia, Oklahoma attempted to pass through a low water crossing on the Cannonball River near 96th Ave. SW and 71st St. SW in Hettinger County at around 1:00 PM MDT on May 1.

Deaths
2
Damage
$30,000
Events
1

The full record

2023Flood in Utah, May 1 to 2, 2023

Spring runoff from the prior winter's record snowpack resulted in elevated flows through area rivers, and in early May, resulted in a fatality as an adult woman fell into the Weber River.

Deaths
1
Events
1

The full record

Severe storms

9 on May 1, oldest first.

1998High Wind in Alabama, May 1, 1998

Two construction workers were killed when strong wind from a passing thunderstorm moved overhead, causing a concrete wall that was under construction, to fall on top of them. They were working in a trench when the wall fell.

Deaths
2
Damage
$30,000
Events
1

The full record

2002Hail in Kentucky, May 1, 2002

During the evening of May 1st, a severe thunderstorm moving southeast dumped a large swath of hail ranging in size from pennies to softballs across a large portion of Laurel County. Numerous homes and vehicles were damaged, especially in the town of London.

Damage
$32 million
Strongest
4.5 in hail
Events
1

The full record

2016High Wind in Utah, May 1, 2016

A strong downslope windstorm began on the afternoon of April 30 and then peaked during the early morning hours of May 1, causing significant damage in Davis and Weber counties. Note that this episode began in April.

Deaths
1
Damage
$1.0 million
Strongest
79 kt wind
Events
1

The full record

2021Damaging Winds in Idaho, May 1, 2021

The month of May started with a bang as a low pressure system moved through the Intermountain West, producing thunderstorms with severe winds, dust storms and small hail.

Deaths
3
Injuries
5
Strongest
54 kt wind
Events
2

The full record

Heat and drought

13 on May 1, oldest first.

1996Drought in Texas, May 1 to 31, 1996

Drought persisted through May across South Central Texas. Monthly damages are based on an estimated $2.4 billion loss to agriculture across all of Texas through the past 6 months. Property damages do not include business or commercial revenue losses.

Damage
$60 million
Events
33

The full record

1996Drought in Texas, May 1 to 31, 1996

Severe drought conditions continued across the Texas Panhandle. Some locally heavy rains did fall in the northeast region, but these rains were accomplanied with excessive runoff.

Damage
$25 million
Events
20

The full record

1996Drought in Texas, May 1 to 31, 1996

The drought continued through most of the month of May, causing significant crop damage. Some areas received several inches of rain during the severe weather of the 25th and 26th, but this was not nearly enough to break this long term drought.

Damage
$14 million
Events
24

The full record

2000Drought in Texas, May 1 to 31, 2000

A devastating drought continued across West Central Texas through the month of May. Information from the USDA indicate that crop losses total in excess of 85 million dollars for this spring alone, not including losses to the cattle and sheep ranching industries.

Damage
$85 million
Events
25

The full record

2001Drought in Florida, May 1 to 20, 2001

A 13-month period of below normal rainfall ended on May 20 with the beginning of the 2001 rainy season. Rainfall amounts since May 2000 over interior and southwest portions of south Florida and over all of Palm Beach County averaged about 30% below normal.

Damage
$100 million
Events
5

The full record

2007Drought in Mississippi, May 1 to 31, 2007

During the month of May, the drought worsened and expanded a little as only a spattering of rain occurred across the area with the highest totals falling along and west of the Mississippi River. Actually, the area defined by severe drought (D2) only expanded by a few counties.

Damage
$29 million
Events
43

The full record

2011Drought in Texas, May 1 to 31, 2011

Abnormally dry conditions that began over west Texas during the fall of 2010 persisted through May further adding to agricultural losses in the hundreds of millions of dollars.

Damage
$245 million
Events
24

The full record

2013Drought in Texas, May 1 to 31, 2013

Drought conditions largely worsened through the month of May with most rainfall eluding the region. Extreme (D3) and exceptional (D4) drought levels expanded across the entire area. Only portions of Hall and Yoakum counties remained in severe (D2) drought.

Damage
$50 million
Events
24

The full record

2018May of 2018 was the warmest May on record for the state of Oklahoma and the warmest May since 1962

May of 2018 was the warmest May on record for the state of Oklahoma and the warmest May since 1962. This very warm May followed a stretch of several years when May in Oklahoma had been cooler than average. While there were no extended streaks of very hot or 100-degree temperatures during the month, high and low temperatures were consistently above average and there were no strong cold fronts, which we normally see. For individual locations, it was the warmest May on record at Lawton, the 2nd warmest at Oklahoma City, and the 5th warmest at Wichita Falls, Texas.

From the National Weather Service in Norman, Oklahoma.

The full record

2022Drought in South Dakota, May 1 to 31, 2022

While temperatures were overall fairly close to normal monthly means, precipitation was mainly above normal, and significantly so north of Interstate 90, where from 125 to 200 percent of normal precipitation was observed.

Damage
$34 million
Events
17

The full record

Cold

3 on May 1, oldest first.

1996Cold in Iowa, May 1 to 31, 1996

Cold weather through the entire month resulted in problems with the seasons crops. The cold ground caused slow to poor germanation of the seed resulting in the replanting of about 4% of the states 12.7 million corn acres.

Damage
$5.1 million
Events
58

The full record

2008Frost and Freeze in New York, May 1, 2008

The combination of an unseasonably cold air mass, clear skies and light winds led to widespread freezing temperatures, along with frost across the mid Hudson Valley, Capital District, the Lake George and Saratoga region, and Mohawk Valley of eastern New York during the early…

Damage
$20 million
Events
16

The full record

Wildfires

46 on May 1, oldest first.

1992Unnamed Fire

The Unnamed Fire started on May 1, 1992, in California, and burned 1,106 acres.

When
May 1, 1992
Acres
1,106

The full record

1996Hwy 41 Fire

The Hwy 41 Fire started on May 1, 1996, in California, and burned 9,539 acres.

When
May 1, 1996
Acres
9,539

The full record

1996Hwy 41 Fire

The Hwy 41 Fire was discovered on May 1, 1996, in California, and burned 3,100 acres; the cause was recorded as arson/incendiarism.

When
May 1, 1996
Acres
3,100

The full record

1999Greerlk Fire

The Greerlk Fire was discovered on May 1, 1999, in Minnesota, and burned 1,050 acres; the cause was recorded as debris and open burning.

When
May 1, 1999
Acres
1,050

The full record

1999Huron Complex

The Huron Complex was discovered on May 1, 1999, in Oscoda County, Michigan, and burned 1,035 acres; the cause was recorded as equipment and vehicle use.

When
May 1, 1999
Acres
1,035

The full record

2001Fmz Fire

The Fmz Fire started on May 1, 2001, in Arizona, and burned 1,311 acres.

When
May 1, 2001
Acres
1,311

The full record

2002T24D Fire

The T24D Fire started on May 1, 2002, in Florida, and burned 1,222 acres.

When
May 1, 2002
Acres
1,222

The full record

2003Unnamed Fire

The Unnamed Fire was discovered on May 1, 2003, in Okaloosa County, Florida, and burned 4,900 acres; the cause was recorded as human.

When
May 1, 2003
Acres
4,900

The full record

2004Junkyard Fire

The Junkyard Fire was discovered on May 1, 2004, in Beltrami County, Minnesota, and burned 800 acres; the cause was recorded as arson/incendiarism.

When
May 1, 2004
Acres
800

The full record

2005Kimball Bottoms Fire

The Kimball Bottoms Fire was discovered on May 1, 2005, in North Dakota, and burned 1,280 acres; the cause was recorded as arson/incendiarism.

When
May 1, 2005
Acres
1,280

The full record

2006Davies Fire

The Davies Fire was discovered on May 1, 2006, in Lincoln County, Nevada, and burned 871 acres; the cause was recorded as natural.

When
May 1, 2006
Acres
871

The full record

2007Unnamed Fire

The Unnamed Fire was discovered on May 1, 2007, in Flagler County, Florida, and burned 6,575 acres; the cause was recorded as arson/incendiarism.

When
May 1, 2007
Acres
6,575

The full record

2007Qual Range Fire

The Qual Range Fire was discovered on May 1, 2007, in Alaska, and burned 2,053 acres; the cause was recorded as firearms and explosives use.

When
May 1, 2007
Acres
2,053

The full record

2008South Tularosa Fire

The South Tularosa Fire was discovered on May 1, 2008, in New Mexico, and burned 3,856 acres; the cause was recorded as recreation and ceremony.

When
May 1, 2008
Acres
3,856

The full record

2008Grassy Island Fire

The Grassy Island Fire was discovered on May 1, 2008, in Glades County, Florida, and burned 2,756 acres; the cause was recorded as arson/incendiarism.

When
May 1, 2008
Acres
2,756.4

The full record

2008Price Fire

The Price Fire was discovered on May 1, 2008, in Midland County, Texas, and burned 2,500 acres; the cause was recorded as human.

When
May 1, 2008
Acres
2,500

The full record

2009Oklahoma 2 Fire

The Oklahoma 2 Fire was discovered on May 1, 2009, in Alaska, and burned 38,398 acres; the cause was recorded as firearms and explosives use.

When
May 1, 2009
Acres
38,398.3

The full record

2009Stud Duck Ranch Fire

The Stud Duck Ranch Fire was discovered on May 1, 2009, in Lynn County, Texas, and burned 1,600 acres; the cause was recorded as equipment and vehicle use.

When
May 1, 2009
Acres
1,600

The full record

2011Persimmons Fire

The Persimmons Fire was discovered on May 1, 2011, in Glades County, Florida, and burned 952 acres; the cause was recorded as natural.

When
May 1, 2011
Acres
952.4

The full record

2013Panther Fire

The Panther Fire was discovered on May 1, 2013, in Tehama County, California, and burned 6,965 acres; the cause was recorded as debris and open burning.

When
May 1, 2013
Acres
6,965

The full record

2013Summit Fire

The Summit Fire was discovered on May 1, 2013, in Riverside County, California, and burned 5,912 acres.

When
May 1, 2013
Acres
5,912

The full record

2013May Day Fire

The May Day Fire was discovered on May 1, 2013, in Brevard County, Florida, and burned 900 acres; the cause was recorded as recreation and ceremony.

When
May 1, 2013
Acres
900

The full record

20162016 Fort McMurray Wildfire

On May 1, 2016, a wildfire began southwest of Fort McMurray, Alberta, Canada. On May 3, it swept through the community, forcing the largest wildfire evacuation in Alberta's history, with upwards of 88,000 people forced from their homes.

Ended
August 2, 2017
Where
Fort McMurray
Country
Canada
Deaths
0

From Wikipedia, CC BY-SA 4.0.

The full record

2017Kerr Fire

The Kerr Fire was reported on May 1, 2017, in Catron County, New Mexico, and burned 11,886 acres; the cause was recorded as natural.

When
May 1, 2017
Acres
11,886

The full record

2017Triple Ranch Fire

The Triple Ranch Fire was reported on May 1, 2017, in Osceola County, Florida, and burned 1,354 acres.

When
May 1, 2017
Acres
1,354

The full record

2018Avian Complex

The Avian Complex was reported on May 1, 2018, in Collier County, Florida, and burned 82,461 acres.

When
May 1, 2018
Acres
82,461

The full record

2020Moore Fire

The Moore Fire was reported on May 1, 2020, in Mora County, New Mexico, and burned 3,800 acres; the cause was recorded as human.

When
May 1, 2020
Acres
3,800

The full record

2021Little Swallow Fire

The Little Swallow Fire was reported on May 1, 2021, in Dunn County, North Dakota, and burned 10,500 acres; the cause was recorded as human.

When
May 1, 2021
Acres
10,500

The full record

2021Rl 203 Goods Fire

The Rl 203 Goods Fire was reported on May 1, 2021, in Clearwater County, Minnesota, and burned 5,530 acres.

When
May 1, 2021
Acres
5,530

The full record

2021Southern Fire

The Southern Fire was reported on May 1, 2021, in San Diego County, California, and burned 5,366 acres; the cause was recorded as human.

When
May 1, 2021
Acres
5,366

The full record

2021Owens Fire

The Owens Fire was reported on May 1, 2021, in Kern County, California, and burned 1,512 acres; the cause was recorded as human.

When
May 1, 2021
Acres
1,512

The full record

2022Wildfire in New Mexico, May 1 to 31, 2022

The Hermits Peak and Calf Canyon Fire, which were originally two separate wildfires that combined during the month of April 2022, continued to devastate the area during the month of May.

Injuries
3
Damage
$100 million
Events
1

The full record

2022Wildfire in New Mexico, May 1 to 13, 2022

The Cooks Peak Fire started north of Ocate on April 17, 2022. The wildfire continued to burn during the month of May, but fortunately, firefighters were able to fully contain the Cooks Peak Fire on May 13, 2022.

Injuries
10
Damage
$11 million
Events
1

The full record

2022Bear Trap Fire

The Bear Trap Fire was reported on May 1, 2022, in Socorro County, New Mexico, and burned 38,225 acres.

When
May 1, 2022
Acres
38,225

The full record

2023Dust Storm in Illinois, May 1, 2023

Northwest winds gusting from 35-40 mph lofted dust from newly plowed farm fields resulting in near zero visibility across portions of northern Montgomery County, southern Sangamon County, and southwestern Christian County in Illinois.

Deaths
8
Injuries
37
Events
1

The full record

2023Sandy Fire

The Sandy Fire was reported on May 1, 2023, in Collier County, Florida, and burned 19,814 acres; the cause was recorded as natural.

When
May 1, 2023
Acres
19,814

The full record

2025Sawlog Fire

The Sawlog Fire was reported on May 1, 2025, in Beaverhead County, Montana, and burned 2,030 acres.

When
May 1, 2025
Acres
2,030

The full record

2026Wildfire in Georgia, May 1 to 31, 2026

Extreme to exceptional drought, dry fuels, and breezy days triggered numerous wildfires in southeast Georgia and northeast Florida in April that continued through the month of May.

Injuries
1
Damage
$16 million
Events
5

The full record

Earthquakes

19 on May 1, oldest first.

1967May 1, 1967 Earthquake in Greece

A magnitude 5.9 earthquake struck Greece. It killed 9 people, injured 56, destroyed 896 houses and did $5 million in damage.

When
May 1, 1967
Magnitude
5.9
Deaths
9
Damage
$5.0 million
Where
Greece

The full record

Volcanoes

3 on May 1, oldest first.

Tsunamis

6 on May 1, oldest first.

1939May 1, 1939 Tsunami at NW. Honshu Island, Japan

A tsunami caused by a magnitude 7 earthquake struck NW. Honshu Island, Japan, with a maximum water height of 1.2 meters. It killed 27 people, injured 52 and destroyed 479 houses.

When
May 1, 1939
Magnitude
7
Water height
1.2 m
Deaths
27
Where
NW. Honshu Island, Japan

The full record

Space weather and aurora

5 on May 1, oldest first.

1933G4 (Severe) Geomagnetic Storm of May 1, 1933

A G4 (severe) geomagnetic storm began May 1, 1933, reached Kp 8- and lasted 15 hours, with a daily Ap as high as 82; at that Kp the aurora may be seen from about 47 degrees geomagnetic latitude.

When
May 1 to 2, 1933
Peak Kp
8-
Storm level
G4

The full record

1939G3 (Strong) Geomagnetic Storm of May 1, 1939

A G3 (strong) geomagnetic storm began May 1, 1939, reached Kp 7- and lasted 24 hours, with a daily Ap as high as 56; at that Kp the aurora may be seen from about 52 degrees geomagnetic latitude.

When
May 1 to 2, 1939
Peak Kp
7-
Storm level
G3

The full record

1951G3 (Strong) Geomagnetic Storm of May 1, 1951

A G3 (strong) geomagnetic storm began May 1, 1951, reached Kp 7+ and lasted 42 hours, with a daily Ap as high as 68; at that Kp the aurora may be seen from about 48 degrees geomagnetic latitude.

When
May 1 to 2, 1951
Peak Kp
7+
Storm level
G3

The full record

1978G4 (Severe) Geomagnetic Storm of May 1, 1978

A G4 (severe) geomagnetic storm began May 1, 1978, reached Kp 8+ and lasted 81 hours, with a daily Ap as high as 96; at that Kp the aurora may be seen from about 43 degrees geomagnetic latitude.

When
May 1 to 4, 1978
Peak Kp
8+
Storm level
G4

The full record

1994G3 (Strong) Geomagnetic Storm of May 1, 1994

A G3 (strong) geomagnetic storm began May 1, 1994, reached Kp 7 and lasted 15 hours, with a daily Ap as high as 50; at that Kp the aurora may be seen from about 50 degrees geomagnetic latitude.

When
May 1 to 2, 1994
Peak Kp
7
Storm level
G3

The full record

Billion-dollar disasters

4 on May 1, oldest first.

Other weather

8 on May 1, oldest first.

2020Rip Current in Florida, May 1, 2020

A prolonged strong onshore wind resulted in numerous strong rip current along the beaches of northwest Florida on May 15th, as well as a few days prior. There was one rip current fatality in Escambia County Florida.

Deaths
1
Events
1

The full record

2021Marine Strong Wind in Lake Michigan, May 1, 2021

Strong southwest winds occurred over southern Lake Michigan during the afternoon of May 1st with gusts as high as 45 mph. An 18 foot long boat with four men onboard capsized around 215 pm near the East Chicago Marina after taking on water.

Deaths
1
Injuries
3
Events
1

The full record

2026Rip Current in Florida, May 1, 2026

Two people were caught in a rip current at Daytona Beach. One, a 32 year old woman, unfortunately drowned. The second person was transported to the hospital and treated for exhaustion.

Deaths
1
Injuries
1
Events
1

The full record

Every day of the year

Sources

Gathered from this site’s archives: the tornado record (NOAA SPC, and Grazulis before 1950), IBTrACS and the National Hurricane Center, NOAA NCEI’s Storm Events Database, Regional Snowfall Index, billion-dollar disasters list, State Climate Extremes Committee and hazard databases, USGS, NIFC, GFZ Potsdam’s Kp index (CC BY 4.0), the National Weather Service in Norman, Oklahoma, and Wikidata (CC0), with article leads from Wikipedia under CC BY-SA 4.0, each credited where it appears. Rebuilt 2026-09-24.