Boulder County, Colorado has 111 reports of rain for 2026, the heaviest storm total 0.67 inches at 3 S Crisman on October 27, 2026, reported to the National Weather Service.
as of
County standing in Colorado
During 2026, Boulder County places 5 among 63 counties in Colorado by number of reports filed. Boulder County accounts for 4% of the 2,781 reports recorded in Colorado for this period. Colorado's largest figure for the 2026 period came from Prowers County, at 5.70 inches. The Boulder County reports trace back to 1 storm.
County standing in Colorado: Boulder County
Rank among counties
5 / 63
Share of state reports
4%
State's largest this period
5.70 inches, Prowers
Distinct storms
1
Each figure here comes from Local Storm Reports, and the numbers cover only the stated period. A county with more spotters can rank high on reporting volume, whatever the weather did.
Rain reports in 2026
Rain reports in 2026: Boulder County, Colorado, 111 reports
An observer's name and the total they measured come with every National Weather Service Local Storm Report that lists Boulder County in the county field.
National Weather Service offices file Local Storm Reports; the Iowa Environmental Mesonet of Iowa State University relays them to this page, where they appear as live spotter reports. Under 17 U.S.C. 105, no copyright attaches to the government-produced figures on this page, including reports, alerts, station observations, and normals, which were created by the National Weather Service and other NOAA offices. The notice that 17 U.S.C. 403 requires appears in this sentence. It does not imply endorsement by or affiliation with those agencies. See: Data sources and attribution.