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Storms That Hit

NHC HURDAT2 · SPC Tornado Database

Hurricanes and Tornadoes That Hit La Salle, CO

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 La Salle, Colorado since records began in 1851. Since 1950, 209 tornadoes have touched down within 25 miles, 3 of them rated EF3 or stronger.

Hurricanes
0

within 75 mi, since 1851

Tropical storms
0

below hurricane strength

Tornadoes
209

within 25 mi, since 1950

EF3 or stronger
3

1 deaths in all

What the records show for La Salle

The highest rating among the 209 tornadoes within 25 miles is F3 or EF3, reached 3 times; the most recent, on June 4, 2015, came within 21 miles. The deadliest, an EF3 on May 22, 2008, killed 1 person. Of the 209, 10 had paths within 5 miles of the city centre, and 67 have come since 2000. June has had the most tornadoes, 74. The most recent tornado was on July 14, 2025. La Salle has more tornadoes within 25 miles than 88% of the 157 Colorado cities on this site. Hail has been reported within 10 miles 232 times since 1958, with stones up to 4.5 inches (grapefruit size). La Salle has more hail reports within 10 miles than 71% of the 157 Colorado cities.

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Tornadoes within 25 miles of La Salle

By decade

  • 2020s13
  • 2010s23(1 EF3+)
  • 2000s31(1 EF3+)
  • 1990s53
  • 1980s42
  • 1970s22
  • 1960s8
  • 1950s17(1 EF3+)
Strongest tornadoes near La Salle, Colorado
DateRatingDistancePathKilled / injured
May 22, 2008EF36 mi38.69 mi1 / 78
Jun 4, 2015EF321 mi6.71 mi0 / 0
May 15, 1952F36 mi7.4 mi0 / 5
Jun 7, 2021EF211 mi7.5 mi0 / 0
Jul 31, 1996F211 mi5 mi0 / 0
Jul 7, 1987F214 mi5 mi0 / 0
May 18, 1984F212 mi5 mi0 / 0
May 18, 1984F216 mi5 mi0 / 0
May 18, 1984F211 mi5 mi0 / 0
Jun 25, 1982F25 mi1 mi0 / 0
Jun 4, 1976F210 mi1.5 mi0 / 0
Jun 8, 1958F217 mi7.1 mi0 / 0

The strongest 12 of 209, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.

Hail in La Salle

The Storm Prediction Center has 232 hail reports within 10 miles of La Salle since 1958, made on 102 separate days. Of these, 178 were 1 inch across or larger, and 18 reached 2 inches. The largest, 4.5 inches (grapefruit size), fell on June 4, 1983. The most recent report is from July 31, 2025. July has the most reports, 58.

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

Weather by month in La Salle

The nearest NOAA station with 1991–2020 climate normals is Greeley Unc, CO, 5 miles north of La Salle at 4,715 feet. July is the warmest, with an average high of 92°F and low of 59°F; December is the coolest, at 43°F and 18°F. May is the wettest at 2.7 inches of precipitation on average and January and February the driest at 0.5 inches; the year adds up to 14.9 inches over 36 days with at least a tenth of an inch. Highs reach 90°F on about 58 days a year, almost all from May to September. Lows fall below freezing on about 153 nights a year. Snowfall averages 34.9 inches a year, most of it in January. That 14.9 inches is more than at 38 of the 91 Colorado stations used on this site (42%). Platteville, 11 miles southwest, has its own station (Longmont 2 ESE, CO): 15.5 inches a year, 0.6 more than here, and a July average high of 91°F against 92°F.

Monthly climate normals 1991–2020 at Greeley Unc, CO
MonthHigh °FLow °FPrecip. inDays ≥ 0.1"Snow in
Jan44180.525.7
Feb48200.525.1
Mar59280.925.1
Apr66351.843.7
May75452.760.5
Jun86541.840.0
Jul92591.640.0
Aug89571.630.0
Sep82491.130.5
Oct68371.133.3
Nov54260.725.4
Dec43180.625.6
Year673714.93634.9

Averages for 1991–2020 at Greeley Unc, CO (4,715 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.

Floods, thunderstorm wind and lightning near La Salle

Since 1996, the National Weather Service has logged 51 flood, rain, thunderstorm wind and lightning events that began within 10 miles of La Salle: 37 thunderstorm wind reports, 5 flash floods, 4 floods, 3 lightning strikes and 2 heavy rain events. They killed 2 people and injured 2, and the NWS estimated $4.4 million in property and crop damage. The strongest thunderstorm gust on record here was 90 mph, on June 20, 2024. Of the 144 Colorado cities on this site with a flash flood on record, 53 have had fewer than La Salle.

  • May 28, 2024: flood 7 miles from the centre of La Salle — 1 killed, $3.4 million damage.

  • June 5, 2009: lightning strike 3 miles from the centre of La Salle — 1 killed.

  • May 9, 2004: thunderstorm wind 2 miles from the centre of La Salle — 1 injured.

    NWS: “Strong winds from a dry microburst downed tree branches and electrical lines which knocked out power for several hundred residents. One woman was injured when a tree limb fell on her as she was helping to change a tire.”

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

Flood insurance policyholders in La Salle's ZIP code 80645 have filed 25 claims with the National Flood Insurance Program since 1979, and were paid $1.3 million for buildings and contents, in the dollars of each year. The most came from Late summer storms in 2013: 16 claims (64% of all) and $1.2 million. 64% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 56 Colorado cities on this site with 10 or more claims, 20 have fewer than La Salle.

Flood insurance claims in La Salle by named event
EventClaimsPaid
Late summer storms201316$1.2 million

Weld County, which includes La Salle, has been named in 16 federal disaster or emergency declarations since 1965, 12 of them major disasters (by incident: 6 floods, 3 severe storms, 2 biological emergencies, 1 coastal storm). The latest major disaster declaration was Covid-19 Pandemic, on March 28, 2020. FEMA's National Risk Index gives Weld County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively High for tornadoes, hail, strong wind and lightning; Relatively Moderate for inland flooding; Relatively Low for heat waves. It models the county's expected loss from all 18 hazards it covers at $104.7 million a year, the 9th highest of 64 Colorado counties; of the hazards above, the largest share, $44.5 million (42%), is from inland flooding.

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 La Salle

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