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Weather & Climate in Rock Falls, WI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Rock Falls experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 16°F in January while summers reach 72°F in July. The area gets 270 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 32.8 inches. The area receives 54.0 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 835 feet.
Temperature
16°F Jan (-9°C)
72°F Jul (22°C)
| Annual Average | 46.0°F |
| 15% below US avg | |
| January Average | 16°F (-9°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 270 days/yr |
Geography
| Elevation | 835 ft (255 m) |
| Area | 0.7 sq mi (1.7 km²) |
| Population Density | 283/sq mi |
| Coordinates | 44.7157°N, 91.6993°W |
| Timezone | America/Chicago |
| County | Pepin County County |
| Nearest Airport | Chippewa Valley Regional (EAU) 15 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 7.2 / 100 |
| Social Vulnerability | 32.0 / 100 |
| Community Resilience | 52.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | No Rating |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tornado History
359 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 40 fatalities, 379 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 4, 1958 | EF5 | 54 km | 33.7 mi | 21 |
| Jul 30, 1977 | EF4 | 45 km | 19.0 mi | 0 |
| Jun 4, 1958 | EF4 | 34 km | 59.2 mi | 4 |
| Jun 4, 1958 | EF4 | 30 km | 11.1 mi | 3 |
| Sep 24, 2019 | EF3 | 17 km | 7.0 mi | 0 |
| May 16, 2017 | EF3 | 70 km | 82.5 mi | 1 |
| Sep 2, 2002 | EF3 | 95 km | 16.0 mi | 0 |
| May 15, 1998 | EF3 | 19 km | 8.0 mi | 0 |
| Aug 27, 1994 | EF3 | 23 km | 10.0 mi | 2 |
| Jul 27, 1987 | EF3 | 82 km | 30.0 mi | 0 |
| Jul 15, 1980 | EF3 | 19 km | 1.0 mi | 1 |
| Jul 30, 1977 | EF3 | 65 km | 9.1 mi | 0 |
| Sep 28, 1971 | EF3 | 58 km | 49.6 mi | 0 |
| May 26, 1959 | EF3 | 83 km | 34.3 mi | 0 |
| Jun 4, 1958 | EF3 | 49 km | 4.3 mi | 0 |
| Sep 12, 1951 | EF3 | 32 km | 24.4 mi | 0 |
| Dec 15, 2021 | EF2 | 90 km | 1.1 mi | 0 |
| Dec 15, 2021 | EF2 | 79 km | 2.8 mi | 0 |
| Dec 15, 2021 | EF2 | 75 km | 3.1 mi | 0 |
| Dec 15, 2021 | EF2 | 60 km | 7.4 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
2 wildfires (100+ acres) recorded within 100 km. Largest: BEAVER CUTOFF (982 acres, 2007).
| Year | Name | Acres Burned | Distance |
| 2007 | BEAVER CUTOFF | 982 | 66 km |
| 2024 | RX-UPPER SEVENTEEN | 520 | 100 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 16°F (-9°C) | 1.0 in | Coldest |
| February | 19°F (-7°C) | 0.8 in | Driest |
| March | 31°F (-0°C) | 1.8 in | |
| April | 46°F (8°C) | 2.8 in | |
| May | 59°F (15°C) | 3.8 in | |
| June | 67°F (20°C) | 4.1 in | Wettest |
| July | 72°F (22°C) | 4.0 in | Warmest |
| August | 69°F (21°C) | 4.0 in | |
| September | 60°F (16°C) | 3.9 in | |
| October | 48°F (9°C) | 2.5 in | |
| November | 33°F (0°C) | 1.7 in | |
| December | 18°F (-8°C) | 1.2 in |
Rock Falls has a seasonal temperature swing of 56°F / from 16°F in January to 72°F in July. Total annual precipitation is 31.5 inches, with June being the wettest month (4.1") and February the driest (0.8").