Skip to content

NHC HURDAT2 · SPC Tornado Database

Hurricanes and Tornadoes That Hit Alliance, NE

Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.

Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated

No tropical storm or hurricane has passed within 75 miles of Alliance, Nebraska since records began in 1851. Since 1950, 51 tornadoes have touched down within 25 miles, 1 of them rated EF3 or stronger.

Hurricanes
0

within 75 mi, since 1851

Tropical storms
0

below hurricane strength

Tornadoes
51

within 25 mi, since 1950

EF3 or stronger
1

no recorded deaths

What the records show for Alliance

The strongest of the 51 tornadoes within 25 miles was an F3 on July 20, 1978; its path came within 9 miles. Of the 51, 4 had paths within 5 miles of the city centre, and 15 have come since 2000. June has had the most tornadoes, 23. The most recent tornado was on June 17, 2025. Of the 91 Nebraska cities on this site, 96% have more tornadoes within 25 miles than Alliance. Hail has been reported within 10 miles 159 times since 1955, with stones up to 4.25 inches. Alliance has more hail reports within 10 miles than 60% of the 91 Nebraska cities.

Compare Alliance's storm record with another city →

Tornadoes within 25 miles of Alliance

By decade

  • 2020s2
  • 2010s9
  • 2000s4
  • 1990s17
  • 1980s6
  • 1970s4(1 EF3+)
  • 1960s4
  • 1950s5
Strongest tornadoes near Alliance, Nebraska
DateRatingDistancePathKilled / injured
Jul 20, 1978F39 mi53.2 mi0 / 0
Jun 12, 2017EF26 mi31.65 mi0 / 0
Aug 10, 1980F29 mi11.3 mi0 / 0
Jun 25, 1975F23 mi16.2 mi0 / 0
Jun 15, 1962F213 mi21.3 mi0 / 0
May 14, 1962F218 mi18.3 mi0 / 0
Jun 12, 2017EF111 mi9.2 mi0 / 0
Jun 12, 2017EF112 mi9.2 mi0 / 0
Jun 12, 2017EF110 mi9.2 mi0 / 0
May 3, 2003F118 mi4 mi0 / 0
Jun 23, 1993F12 mi1.5 mi0 / 0
May 5, 1993F114 mi0.5 mi0 / 0

The strongest 12 of 51, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.

Hail in Alliance

The Storm Prediction Center has 159 hail reports within 10 miles of Alliance since 1955, made on 103 separate days. Of these, 128 were 1 inch across or larger, and 22 reached 2 inches. The largest size, 4.25 inches, was reported on 2 days, most recently July 9, 2021. The most recent report is from July 6, 2025. June has the most reports, 54.

Source: NOAA Storm Prediction Center severe weather reports, data through 2025.

Weather by month in Alliance

The nearest NOAA station with 1991–2020 climate normals is Alliance Municipal Airport, NE, 6 miles southeast of Alliance at 3,924 feet. July is the warmest, with an average high of 89°F and low of 56°F; December is the coolest, at 38°F and 9°F. Highs reach 90°F on about 43 days a year, almost all from June to September. Lows fall below freezing on about 196 nights a year. That 14.9 inches is more than at 0 of the 68 Nebraska stations used on this site (0%). Bayard, 34 miles southwest, has its own station (Bridgeport, NE): 18.8 inches a year, 3.9 more than here, and a July average high of 92°F against 89°F.

Monthly climate normals 1991–2020 at Alliance Municipal Airport, NE
MonthHigh °FLow °FPrecip. inDays ≥ 0.1"
Jan38100.21
Feb41120.31
Mar51220.62
Apr59281.74
May69392.75
Jun81492.96
Jul89562.45
Aug87541.53
Sep77431.33
Oct62290.92
Nov49180.21
Dec3890.21
Year623114.933

Averages for 1991–2020 at Alliance Municipal Airport, NE (3,924 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.

Nebraska weather by month, station by station →

Floods, thunderstorm wind and lightning near Alliance

Since 1996, the National Weather Service has logged 73 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Alliance: 68 thunderstorm wind reports, 3 flash floods and 2 heavy rain events. None is recorded as killing or injuring anyone; the NWS estimated $150,000 in property and crop damage. The strongest thunderstorm gust on record here was 86 mph, on July 9, 2021.

Source: NOAA NCEI Storm Events Database, events whose starting point is on record, 1996 to June 30, 2026. Damage is the NWS estimate in the dollars of the year, not insured losses, and NWS notes that some reports are unverified.

Flood insurance claims, disaster declarations and FEMA risk ratings

Box Butte County, which includes Alliance, has been named in 9 federal disaster or emergency declarations since 2001, 7 of them major disasters (by incident: 5 severe storms, 2 biological emergencies, 1 flood, 1 hurricane). The latest major disaster declaration was Severe Storms and Straight-Line Winds, on September 6, 2021. FEMA's National Risk Index gives Box Butte County a Very Low rating for natural hazard risk overall; by hazard: Relatively Moderate for hail; Relatively Low for tornadoes, strong wind and lightning; Very Low for inland flooding and heat waves. It models the county's expected loss from all 18 hazards it covers at $8.4 million a year, the 49th highest of 93 Nebraska counties; of the hazards above, the largest share, $1.0 million (12%), is from hail.

Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

What counts as a pass, the distances and the sources: how this storm history is built.

Cities near Alliance