Omega Exteriors in Rochester, MN

• Gutters in Rochester

  Olmsted County averages 36.7 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 Rochester

  9 of the 69 hail events on record within 10 miles of Rochester 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 Rochester

  The strongest thunderstorm wind on record within 10 miles of Rochester from 2016 through September 22, 2025 was 81 mph. The National Weather Service counts a thunderstorm wind of 58 mph or more as severe.

• Windows in Rochester

  42% of homes in the 4 ZIP codes that cover Rochester 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.

Our pages cover 4 ZIP codes of Rochester: 55901, 55902, 55904 and 55906. ZIP code 55901 has 23,461 households; its median home was built in 1989, and 57% of its housing units are single-family detached. The median home value in ZIP code 55901 is $290,000, and 64% of its occupied homes are owner-occupied. ZIP code 55902 has 11,330 households; its median home was built in 1994, and 63% of its housing units are single-family detached. The median home value in ZIP code 55902 is $430,100, and 73% of its occupied homes are owner-occupied. The median owner-occupied home in Rochester is valued at $287,500. Each ZIP code in the table links to its own page; a ZIP code shared with a neighboring city has one page, under the city that holds the largest part of it.

Source: American Community Survey 2023, 5-year, by ZIP Code Tabulation Area (a ZIP code can extend beyond the city); ZIP list from Census place and ZIP Code Tabulation Area boundaries.

The NOAA Storm Events Database records 69 hail events, 67 thunderstorm-wind events and 4 tornadoes within 10 miles of Rochester 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 June 16, 2017, near Marion. 9 of those hail events had hail 1.5 inches or larger.

The closest event to the center of Rochester was 52 mph wind on July 23, 2022, less than 1 mile away near Rochester. The most recent hail event within 10 miles of Rochester was on August 27, 2025: 1 in hail near Stewartville. The most recent thunderstorm-wind event within 10 miles of Rochester was on July 28, 2025, near Rochester. The strongest thunderstorm wind recorded within 10 miles of Rochester in that period was 81 mph. The busiest year was 2017, with 39 events in all.

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).

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

Olmsted County has 70,255 housing units, and 64% of them are single-family detached homes (American Community Survey 2023, 5-year). Another 8% are attached homes such as townhomes. Mobile homes make up 2% of the housing units.

The median home in Olmsted County was built in 1987. 42% of homes in Olmsted County were built before 1980, and 32% were built in 2000 or later. The most common building period is 2000–2009, with 13,322 homes.

71% of occupied homes in Olmsted County are owner-occupied. The median owner-occupied home in Olmsted County is valued at $304,500. Among occupied homes in Olmsted County, 71% heat with utility gas, 18% with electricity, 8% with bottled or tank gas and 1% with wood.

• Year-built table and more on the Olmsted County page

Source: American Community Survey 2023, 5-year (tables B25024, B25034, B25035, B25003, B25077, B25040).

Rochester is in Olmsted County, so the county ratings below apply to it. Olmsted County scores 83.4 of 100 for hail in FEMA's National Risk Index, which ranks 17th of 87 Minnesota counties. Olmsted County scores 70.1 of 100 for strong wind in FEMA's National Risk Index, which ranks 38th of 87 Minnesota counties. Olmsted County scores 83.3 of 100 for winter weather in FEMA's National Risk Index, which ranks 17th of 87 Minnesota counties. Of the perils listed here, the highest score in Olmsted County is for cold wave, at 92.8 of 100.

Olmsted County averages 36.7 inches of precipitation a year (NOAA 1991–2020 normals). The average annual temperature in Olmsted County is 44.6°F.

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

The nearest other cities we serve, by straight-line distance, are Marion (7.9 miles), Byron (8.3 miles), Oronoco (11 miles), Stewartville (11 miles), High Forest (12 miles), Eyota (12 miles), Kasson (14 miles) and Elgin (14 miles). The other Olmsted County communities we serve are Byron, Dover, Eyota, High Forest, Marion, Oronoco and Stewartville.

• Marion 7.9 mi
• Byron 8.3 mi
• Oronoco 11 mi
• Stewartville 11 mi
• High Forest 12 mi
• Eyota 12 mi
• Kasson 14 mi
• Elgin 14 mi
• Mantorville 14 mi
• Pine Island 14 mi

Our Rochester office is at 3470 55th St NW, Rochester, MN 55901. Its hours are Monday–Friday 7:00 AM–7:00 PM. You can reach that office at (507) 606-2707.

• Rochester office: address, hours and map