National Storms

Snow and rain totals for ZIP code 59065

South Glastonbury, MT

NOAA's National Snowfall Analysis estimates 32.3 inches of snow at ZIP code 59065 (South Glastonbury, MT) this season (since October 1, 2026), through November 8, 2026. The most in one day was 11.1 inches, in the 24 hours ending October 12, 2026. Last season (2025–26) it estimated 192.3 inches in all; the biggest day was 12.4 inches on March 6, 2026. Over the last 30 days, NOAA's MRMS analysis estimates 1.69 inches of rain and melted snow.

32.3″snow this season (2026–27)
6days with 1″+ snow this season
192.3″snow in 2025–26
1.69″rain, last 30 days

Pin: the Census center point of ZIP Code Tabulation Area 59065, in Park County. Values are NOAA estimates for the grid cell under the pin. Montana snowfall totals.

Snow load on roofs in ZIP 59065 right now

2 lb/sq ftestimated weight of the snow on the ground
2 lb/sq fttypical roof estimate (70% to 100% of the ground)
2.4″snow depth, holding 0.4″ of water

As of 1 a.m. EST on November 8, 2026, the snow is about 18% water (settled snow). On 1,000 sq ft of roof, the typical estimate comes to roughly 1,580 lb to 1.1 tons.

This is an estimate of the snow, not an inspection of any roof. Whether a roof can carry it depends on its design snow load, its age and condition, and how the snow has drifted. Your local building department can tell you the design snow load for your address, and a licensed structural engineer or roofing contractor can look at the roof itself.

Snow load for ZIP 59065 · snow load calculator

Last 14 days

24 hours ending (12:00 UTC)Estimated snowEstimated rain
November 8, 20260″0″
November 7, 20260″0″
November 6, 20260″0″
November 5, 20260″0″
November 4, 20260″0″
November 3, 20260″0″
November 2, 20266.8″0.33″
November 1, 20260.8″0″
October 31, 20260.2″0″
October 30, 20260″0″
October 29, 20260″0″
October 28, 20260.9″0″
October 27, 20264.1″0.15″
October 26, 20260″0″
Oct 2025: 36.8Nov 2025: 8.6Dec 2025: 19.5Jan 2026: 4.5Feb 2026: 28.1Mar 2026: 26.1Apr 2026: 40May 2026: 10.5Jun 2026: 18.1Jul 2026: 0Aug 2026: 0Sep 2026: 0.1Oct 2026: 24.7Nov 2026: 7.6Oct 2025Dec 2025Feb 2026Apr 2026Jun 2026Aug 2026Oct 2026max 40
Estimated snowfall by month, inches (ZIP code 59065 (South Glastonbury, MT))

Source: National Storms (nationalstorms.com), CC BY 4.0, data from the NOAA NOHRSC National Snowfall Analysis.

Snow by season

Season (Oct 1 – Sep 30)Total snowDays with 1″+Biggest day
2026–27 (so far)32.3″611.1″ on Oct 12, 2026
2025–26192.3″5212.4″ on Mar 6, 2026

Biggest snow days since October 2025

24 hours endingEstimated snow
March 6, 202612.4″
October 12, 202611.1″
April 16, 202610.2″
February 10, 20268.8″
October 12, 20258.1″
October 5, 20257.3″
November 2, 20266.8″
April 17, 20266.0″
April 1, 20265.8″
February 9, 20265.6″

Rain and melted snow by month

MonthEstimated precipitationEstimated snow
Nov 20260.33″7.6″
Oct 20261.36″24.7″
Sep 20260.93″0.1″
Aug 20261.83″0.0″
Jul 20262.37″0.0″
Jun 20261.38″18.1″
May 20261.23″10.5″
Apr 20260.34″40.0″
Mar 20260.07″26.1″
Feb 20260.05″28.1″
Jan 20260.00″4.5″
Dec 20250.32″19.5″
Nov 20250.06″8.6″
Oct 20251.80″36.8″

Wettest days since October 2025

24 hours endingEstimated rain
May 31, 20261.00″
October 12, 20250.95″
October 12, 20260.60″
July 23, 20260.55″
September 20, 20260.50″

Look up another ZIP code

Sources

Snow: NOAA National Operational Hydrologic Remote Sensing Center (NOHRSC), National Snowfall Analysis (version 2.1), 24-hour totals on a 0.04° grid (about 4 km). NOHRSC builds it from NWS, CoCoRaHS and other snowfall reports, radar and gauge precipitation (Stage IV) and model snow-to-liquid ratios. Rain: NOAA MRMS multi-sensor 24-hour precipitation (radar adjusted to rain gauges, about 1 km), from the Iowa Environmental Mesonet archive; it is total liquid, so it includes melted snow and sleet. Places: US Census Bureau ZIP Code Tabulation Areas (2024 Gazetteer internal points) and city centers. Each value is the estimate for the grid cell that contains the ZIP code's or city's center point, not a measurement at your house. NOAA reruns recent analyses as late reports arrive, so the last few days can change slightly. These are our own summaries of public NOAA data; NOAA has not reviewed them.

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