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WeatherTotals

Lewis and Clark County snow totals, Montana

Lewis and Clark County, Montana has 14 reports of snow in 2026-27, with the largest amount 12.4 inches at 2 W Helena on October 11, 2026, as filed by spotters.

as of

County standing in Montana

During 2026-27, Lewis and Clark County places 1 among 30 counties in Montana by number of reports filed. Lewis and Clark County accounts for 9% of the 159 reports recorded in Montana for this period. Montana's largest figure for the 2026-27 period came from Judith Basin County, at 24.0 inches. The Lewis and Clark County reports trace back to 1 storm.

County standing in Montana: Lewis and Clark County
Rank among counties1 / 30
Share of state reports9%
State's largest this period24.0 inches, Judith Basin
Distinct storms1

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.

Snow reports so far in 2026-27

Snow reports so far in 2026-27: Lewis and Clark County, Montana, 14 reports
AmountPlaceReported byTime
7.4 inches10 N HelenaCocorahs, October 12, 2026
9.0 inchesEstimated20 W AugustaMesonet, October 11, 2026
10.0 inchesEstimated11 SE LincolnMesonet, October 11, 2026
8.0 inches1 SW HelenaTrained Spotter, October 11, 2026
9.0 inches2 SE HelenaPublic, October 11, 2026
8.0 inchesEstimatedCraigPublic, October 11, 2026
7.0 inchesHelenaPublic, October 11, 2026
6.5 inches1 E East HelenaTrained Spotter, October 11, 2026
12.4 inches2 W HelenaTrained Spotter, October 11, 2026
9.3 inches2 W HelenaTrained Spotter, October 11, 2026
5.0 inches7 ENE East HelenaTrained Spotter, October 11, 2026
7.8 inches1 SE HelenaTrained Spotter, October 11, 2026
4.6 inches10 N HelenaCocorahs, October 11, 2026
6.1 inchesEstimated16 SE AugustaMesonet, October 11, 2026

Every entry here is a National Weather Service Local Storm Report with Lewis and Clark County in its county field, and each names its observer.

Storms these reports come from

Days with new snow

Back to the Montana page

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.