Gutters, roofing, siding and windows in Prospect Knolls, Edina, MN

• Gutters in Prospect Knolls

  Hennepin County averages 32.8 inches of precipitation a year (NOAA 1991–2020 normals). One inch of rain on 1,000 square feet of roof is about 623 gallons of water for the gutters to carry.

• Roofing in Prospect Knolls

  2 of the 18 hail events on record within 5 miles of the center of Prospect Knolls from 2016 through March 31, 2026 had hail 1.5 inches or larger. The National Weather Service counts hail of 1 inch or larger as severe.

• Siding in Prospect Knolls

  The strongest thunderstorm wind on record within 5 miles of the center of Prospect Knolls from 2016 through September 22, 2025 was 70 mph. The National Weather Service counts a thunderstorm wind of 58 mph or more as severe.

• Windows in Prospect Knolls

  68% of homes in ZIP code 55439 were built before 1980. A home built before 1980 was built before the energy codes in force today were written.

Source: NOAA Storm Events Database (hail events through March 31, 2026; thunderstorm-wind and tornado events through September 22, 2025); American Community Survey 2023, 5-year; NOAA 1991–2020 climate normals.

Prospect Knolls is a district in Edina, in Hennepin County. Its mapped center is about 1.4 miles southwest of the center of Edina. From our Farmington office it is about 20 miles to the northwest. Its mapped boundary covers about 0.4 square miles. The center of Prospect Knolls is in ZIP code 55439. The name and location come from OpenStreetMap.

Prospect Knolls is part of Edina, and the city-level record applies to it: Edina has 53,125 residents in 22,805 households (American Community Survey 2023, 5-year).

The nearest other mapped neighborhoods, measured center to center, are Dewey Hill (less than 1 mile south), The Heights (less than 1 mile northeast), Braemar Hills (less than 1 mile west), Brookview Heights (less than 1 mile northeast), Creek Valley (less than 1 mile northwest) and Normandale Park (1 mile northeast).

Source: neighborhood names, centers and boundaries: OpenStreetMap; distances are straight lines between mapped centers.

Our data has no housing figures for Prospect Knolls on its own. The figures below are for ZIP code 55439, which contains the center of Prospect Knolls; a ZIP code usually takes in more than one neighborhood.

ZIP code 55439 has 3,735 housing units (American Community Survey 2023, 5-year).

The median home in ZIP code 55439 was built in 1972. 68% of homes in ZIP code 55439 were built before 1980, and 7% were built in 2000 or later. The most common building period is 1960–1969, with 1,085 homes.

90% of occupied homes in ZIP code 55439 are owner-occupied. The median owner-occupied home in ZIP code 55439 is valued at $640,300. Among occupied homes in ZIP code 55439, 88% heat with utility gas, 9% with electricity and 1% with bottled or tank gas.

• More about ZIP code 55439

Source: American Community Survey 2023, 5-year (tables B25024, B25034, B25035, B25003, B25077, B25040), for ZIP Code Tabulation Area 55439 (not for Prospect Knolls alone).

The NOAA Storm Events Database records 18 hail events, 20 thunderstorm-wind events and no tornadoes within 5 miles of the center of Prospect Knolls from 2016 through March 31, 2026 for hail and through September 22, 2025 for thunderstorm wind and tornadoes. The largest hail on record there in that period was 1.75 inches on August 10, 2020, near Edina. 2 of those hail events had hail 1.5 inches or larger.

The closest event to the center of Prospect Knolls was 64 mph wind on September 21, 2016, 1.1 miles away near Edina. The most recent hail event within 5 miles of the center of Prospect Knolls was on October 24, 2023: 1 in hail near Bloomington. The most recent thunderstorm-wind event within 5 miles of the center of Prospect Knolls was on July 28, 2025, near Edina. The strongest thunderstorm wind recorded within 5 miles of the center of Prospect Knolls in that period was 70 mph. The busiest year was 2020, with 9 events in all.

Apart from those database entries, NOAA weather radar indicated hail of 1 inch or larger over Edina on 3 days from January 2025 on, most recently September 22, 2025. A radar indication is an estimate, not a report from the ground, and the counts and tables on this page do not include it.

Source: NOAA Storm Events Database (hail events through March 31, 2026; thunderstorm-wind and tornado events through September 22, 2025); NOAA MRMS radar hail estimates (for the city of Edina).

Source: NOAA Storm Events Database (hail events through March 31, 2026; thunderstorm-wind and tornado events through September 22, 2025).

Source: NOAA Storm Events Database (hail events through March 31, 2026; thunderstorm-wind and tornado events through September 22, 2025).

Prospect Knolls is in Hennepin County, so the county ratings below apply to it. Hennepin County scores 99.6 of 100 for hail in FEMA's National Risk Index, which ranks 1st of 87 Minnesota counties. Hennepin County scores 98.9 of 100 for strong wind in FEMA's National Risk Index, which ranks 2nd of 87 Minnesota counties. Hennepin County scores 97.4 of 100 for winter weather in FEMA's National Risk Index, which ranks 3rd of 87 Minnesota counties. Of the perils listed here, the highest score in Hennepin County is for cold wave, at 99.8 of 100.

Hennepin County averages 32.8 inches of precipitation a year (NOAA 1991–2020 normals). The average annual temperature in Hennepin County is 45.2°F.

Source: FEMA National Risk Index, 2026 release; rank among the state's counties computed from the scores; NOAA 1991–2020 climate normals.

Our Farmington office is at 821 3rd St, Farmington, MN 55024, about 20 miles from Prospect Knolls. Its hours are Monday–Friday 7:00 AM–7:00 PM. You can reach that office at (651) 998-8500.

• Farmington office: address, hours and map