NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Spring Grove, IL
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
1 tropical system has passed within 75 miles of Spring Grove, Illinois since 1851, 0 of them at hurricane strength; the most recent was an unnamed storm in 1900. Since 1950, 99 tornadoes have touched down within 25 miles, 7 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 1
- Tornadoes
- 99
- EF3 or stronger
- 7
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
32 deaths in all
What the records show for Spring Grove
None of the 1 tropical systems was at hurricane strength as it passed Spring Grove; the strongest was an unnamed storm in 1900, a tropical storm with 58 mph winds when its centre passed 15 miles away. Of the 548 Illinois cities on this site, 57% have more tropical storms and hurricanes within 75 miles than Spring Grove. The highest rating among the 99 tornadoes within 25 miles is F4, reached 4 times; the most recent, on September 28, 1972, came within 21 miles. The deadliest, an F4 on April 21, 1967, killed 24 people. Of the 99, 2 had paths within 5 miles of the city centre, and 47 have come since 2000. June has had the most tornadoes, 20. The most recent tornado was on June 22, 2024. Of the 548 Illinois cities, 79% have more tornadoes within 25 miles than Spring Grove. Hail has been reported within 10 miles 123 times since 1963, with stones up to 2.9 inches. Spring Grove has more hail reports within 10 miles than 58% of the 548 Illinois cities.
Compare Spring Grove's storm record with another city →
Tropical storms and hurricanes near Spring Grove
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 1900 | Unnamed 1900 stormSep 11 | 15 mi | Tropical storm (58 mph) | Category 4 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Spring Grove: a hurricane's worst winds sit within a few dozen miles of its centre, and inland cities are usually past that.
Tornadoes within 25 miles of Spring Grove
By decade
- 2020s23
- 2010s15
- 2000s9(2 EF3+)
- 1990s12
- 1980s5
- 1970s16(1 EF3+)
- 1960s12(4 EF3+)
- 1950s7
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Apr 21, 1967 | F4 | 12 mi | 25.5 mi | 24 / 450 |
| Apr 11, 1965 | F4 | 11 mi | 9.1 mi | 6 / 75 |
| Apr 21, 1967 | F4 | 17 mi | 8.8 mi | 1 / 100 |
| Sep 28, 1972 | F4 | 21 mi | 5.2 mi | 0 / 20 |
| Jan 7, 2008 | EF3 | 9 mi | 10.78 mi | 0 / 15 |
| Jan 7, 2008 | EF3 | 19 mi | 13.1 mi | 0 / 5 |
| Jul 19, 1963 | F3 | 9 mi | 10.6 mi | 0 / 0 |
| Oct 8, 1958 | F2 | 4 mi | 81 mi | 1 / 0 |
| Nov 22, 2010 | EF2 | 22 mi | 18.1 mi | 0 / 6 |
| May 18, 1997 | F2 | 9 mi | 6 mi | 0 / 0 |
| Apr 19, 1996 | F2 | 20 mi | 2 mi | 0 / 2 |
| Aug 15, 1978 | F2 | 20 mi | 2 mi | 0 / 0 |
The strongest 12 of 99, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Spring Grove
The Storm Prediction Center has 123 hail reports within 10 miles of Spring Grove since 1963, made on 66 separate days. Of these, 84 were 1 inch across or larger, and 7 reached 2 inches. The largest, 2.9 inches, fell on May 2, 2018. The most recent report is from August 27, 2024. May has the most reports, 27.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Spring Grove
The nearest NOAA station with 1991–2020 climate normals is Lake Villa 2NE, IL, 8 miles east of Spring Grove at 840 feet. July is the warmest, with an average high of 82°F and low of 63°F; January is the coolest, at 30°F and 15°F. May is the wettest at 4.4 inches of precipitation on average and February the driest at 1.9 inches; the year adds up to 37.7 inches over 67 days with at least a tenth of an inch. Highs reach 90°F on about 10 days a year, almost all from June to August. Lows fall below freezing on about 132 nights a year. Snowfall averages 43.4 inches a year, most of it in January. That 37.7 inches is more than at 26 of the 146 Illinois stations used on this site (18%). Richmond, 4 miles west, has its own station (Pell Lake, WI): 36.5 inches a year, 1.2 less than here, and the same July average high, 82°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 30 | 15 | 2.1 | 6 | 15.7 |
| Feb | 34 | 18 | 1.9 | 4 | 8.0 |
| Mar | 45 | 27 | 2.6 | 5 | 5.8 |
| Apr | 57 | 37 | 4.1 | 7 | 1.5 |
| May | 69 | 48 | 4.4 | 7 | 0.0 |
| Jun | 78 | 58 | 4.2 | 6 | 0.0 |
| Jul | 82 | 63 | 3.9 | 6 | 0.0 |
| Aug | 81 | 62 | 3.3 | 6 | 0.0 |
| Sep | 73 | 54 | 3.4 | 5 | 0.0 |
| Oct | 60 | 43 | 3.0 | 5 | 0.1 |
| Nov | 47 | 31 | 2.5 | 6 | 3.1 |
| Dec | 35 | 21 | 2.3 | 4 | 9.2 |
| Year | 58 | 40 | 37.7 | 67 | 43.4 |
Averages for 1991–2020 at Lake Villa 2NE, IL (840 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 Spring Grove
Since 1996, the National Weather Service has logged 228 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Spring Grove: 183 thunderstorm wind reports, 22 floods, 10 flash floods, 7 lightning strikes and 6 heavy rain events. They killed 0 people and injured 20, and the NWS estimated $25.7 million in property and crop damage. The strongest thunderstorm gust on record here was 81 mph, on May 31, 2010. June has had the most flash floods, 3 of 10. Of the 547 Illinois cities on this site with a flash flood on record, 125 have had fewer than Spring Grove.
July 18, 1997: thunderstorm wind 6 miles from the centre of Spring Grove — 9 injured, $1.0 million damage.
July 21, 1998: thunderstorm wind 4 miles from the centre of Spring Grove — 3 injured.
September 20, 2018: lightning strike 8 miles from the centre of Spring Grove — 3 injured.
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 Spring Grove's ZIP code 60081 have filed 160 claims with the National Flood Insurance Program since 1978, and were paid $1.0 million for buildings and contents, in the dollars of each year. The most came from Mid-spring storms in 2013: 25 claims (16% of all) and $301,000, then Flooding in 1986 with 16. 29% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 320 Illinois cities on this site with 10 or more claims, 254 have fewer than Spring Grove.
| Event | Claims | Paid |
|---|---|---|
| Mid-spring storms2013 | 25 | $301,000 |
| Flooding1986 | 16 | $50,000 |
McHenry County, which includes Spring Grove, has been named in 16 federal disaster or emergency declarations since 1965, 9 of them major disasters (by incident: 6 snowstorms, 5 floods, 2 biological emergencies, 2 tornadoes). The latest major disaster declaration was Covid-19 Pandemic, on March 26, 2020. FEMA's National Risk Index gives McHenry County a Relatively Moderate rating for natural hazard risk overall; by hazard: Relatively High for tornadoes and strong wind; Relatively Moderate for hail, inland flooding and lightning; Relatively Low for heat waves; Very Low for hurricanes. It models the county's expected loss from all 18 hazards it covers at $142.5 million a year, the 8th highest of 102 Illinois counties; of the hazards above, the largest share, $85.1 million (60%), 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.