Snow and rain totals for ZIP code 59636
Helena West Side, MT
NOAA's National Snowfall Analysis estimates 5.4 inches of snow at ZIP code 59636 (Helena West Side, MT) this season (since October 1, 2026), through November 7, 2026. The most in one day was 2.5 inches, in the 24 hours ending October 12, 2026. Last season (2025–26) it estimated 22.0 inches in all; the biggest day was 3.7 inches on October 13, 2025. Over the last 30 days, NOAA's MRMS analysis estimates 2.73 inches of rain and melted snow.
Pin: the Census center point of ZIP Code Tabulation Area 59636, in Lewis and Clark County. Values are NOAA estimates for the grid cell under the pin. Montana snowfall totals.
Last 14 days
| 24 hours ending (12:00 UTC) | Estimated snow | Estimated rain |
|---|---|---|
| November 7, 2026 | 0″ | 0″ |
| November 6, 2026 | 0″ | 0″ |
| November 5, 2026 | 0″ | 0″ |
| November 4, 2026 | 0″ | 0″ |
| November 3, 2026 | 0″ | 0″ |
| November 2, 2026 | 0″ | 0.40″ |
| November 1, 2026 | 0″ | 0.05″ |
| October 31, 2026 | 0″ | 0″ |
| October 30, 2026 | 0″ | 0″ |
| October 29, 2026 | 0″ | 0″ |
| October 28, 2026 | 0″ | 0″ |
| October 27, 2026 | 0″ | 0.09″ |
| October 26, 2026 | 0″ | 0″ |
| October 25, 2026 | 0″ | 0″ |
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 snow | Days with 1″+ | Biggest day |
|---|---|---|---|
| 2026–27 (so far) | 5.4″ | 2 | 2.5″ on Oct 12, 2026 |
| 2025–26 | 22.0″ | 8 | 3.7″ on Oct 13, 2025 |
Biggest snow days since October 2025
| 24 hours ending | Estimated snow |
|---|---|
| October 13, 2025 | 3.7″ |
| March 15, 2026 | 3.5″ |
| March 14, 2026 | 2.5″ |
| October 12, 2026 | 2.5″ |
| November 29, 2025 | 2.3″ |
| October 11, 2026 | 2.3″ |
| December 6, 2025 | 1.7″ |
| February 18, 2026 | 1.6″ |
| February 19, 2026 | 1.6″ |
| October 14, 2025 | 1.2″ |
Rain and melted snow by month
| Month | Estimated precipitation | Estimated snow |
|---|---|---|
| Nov 2026 | 0.45″ | 0.0″ |
| Oct 2026 | 2.28″ | 5.4″ |
| Sep 2026 | 1.18″ | 0.0″ |
| Aug 2026 | 0.97″ | 0.0″ |
| Jul 2026 | 1.14″ | 0.0″ |
| Jun 2026 | 2.76″ | 0.0″ |
| May 2026 | 1.61″ | 0.2″ |
| Apr 2026 | 1.25″ | 1.8″ |
| Mar 2026 | 1.57″ | 6.3″ |
| Feb 2026 | 0.42″ | 3.3″ |
| Jan 2026 | 0.06″ | 0.5″ |
| Dec 2025 | 1.67″ | 2.5″ |
| Nov 2025 | 0.53″ | 2.3″ |
| Oct 2025 | 1.21″ | 5.1″ |
Wettest days since October 2025
| 24 hours ending | Estimated rain |
|---|---|
| October 24, 2026 | 1.04″ |
| May 31, 2026 | 0.96″ |
| June 29, 2026 | 0.92″ |
| June 30, 2026 | 0.80″ |
| October 11, 2026 | 0.63″ |
| October 12, 2026 | 0.52″ |
| October 13, 2025 | 0.50″ |
Spotter snow reports near 59636
39 measured snowfall reports within 10 miles since October 2025, on 13 days. The largest was 15.0 inches at 7 SW Helena, MT (6.6 miles away), reported to NWS TFX for March 15, 2026. Below: the largest report each day, next to NOAA's 24-hour estimate for 59636.
| Day (ending 11 a.m. EST) | Largest report | Where | Time | Reported to | NOAA estimate here |
|---|---|---|---|---|---|
| Oct 24, 2026 | 7.5″ (4 reports) | 5 SE Blossburg, MT, 6.9 mi | Oct 23, 7:40 p.m. MDT | NWS TFX, Trained spotter | 0.6″ |
| Oct 12, 2026 | 11.0″ (5 reports) | 8 WNW Clancy, MT, 7.4 mi | Oct 11, 3:37 p.m. MDT | NWS TFX, Trained spotter | 2.5″ |
| Oct 11, 2026 | 12.4″ (3 reports) | 2 W Helena, MT, 2.8 mi | Oct 11, 8:58 a.m. MDT | NWS TFX, Trained spotter | 2.3″ |
| Apr 24, 2026 | 5.7″ | 2 W Helena, MT, 2.8 mi | Apr 23, 11:53 a.m. MDT | NWS TFX, Trained spotter | 0.9″ |
| Apr 4, 2026 | 1.0″ | 2 ENE Helena, MT, 6.0 mi | Apr 3, 2:33 p.m. MDT | NWS TFX, Trained spotter | 0.0″ |
| Mar 15, 2026 | 15.0″ (7 reports) | 7 SW Helena, MT, 6.6 mi | Mar 14, 5:43 p.m. MDT | NWS TFX, Trained spotter | 3.5″ |
| Mar 14, 2026 | 6.0″ (2 reports) | 2 NNW Helena, MT, 3.5 mi | Mar 14, 9:30 a.m. MDT | NWS TFX, CoCoRaHS | 2.5″ |
| Mar 13, 2026 | 6.0″ | 11 W Helena, MT, 6.9 mi | Mar 13, 8:43 a.m. MDT | NWS TFX, Trained spotter | 0.0″ |
| Feb 19, 2026 | 1.0″ | 2 ENE Helena, MT, 6.4 mi | Feb 18, 3:15 p.m. MST | NWS TFX, Trained spotter | 1.6″ |
| Feb 10, 2026 | 4.5″ | 3 WNW Montana City, MT, 7.1 mi | Feb 9, 12:00 p.m. MST | NWS TFX, Trained spotter | 0.0″ |
| Nov 29, 2025 | 4.0″ (5 reports) | 3 WNW Montana City, MT, 7.1 mi | Nov 28, 8:00 p.m. MST | NWS TFX, Trained spotter | 2.3″ |
| Oct 14, 2025 | 10.8″ (3 reports) | 2 W Helena, MT, 2.8 mi | Oct 13, 11:53 a.m. MDT | NWS TFX, Trained spotter | 1.2″ |
| Oct 13, 2025 | 10.0″ (5 reports) | 1 SE Helena, MT, 5.3 mi | Oct 13, 8:22 a.m. MDT | NWS TFX, Trained spotter | 3.7″ |
Spotter reports: National Weather Service Local Storm Reports (LSRs): measurements sent to NWS offices by trained storm spotters, CoCoRaHS and co-op observers, NWS staff, the public and others, archived by the Iowa Environmental Mesonet (Iowa State University). Reports are what each observer measured at one spot, often a storm total so far, and the NWS doesn't quality-check every one. Exact repeats count once.
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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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