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Built 2026-10-19 (19 October 2026)

Snow event in United States, 10 to 13 October 2026

Snow event in United States, 10 to 13 October 2026: 51 records at 27 stations, peak on 12 October 2026. Closed.

Data as of . Last revised (2026-10-17).

Key Facts

  • Snow event in United States, 10 to 13 October 2026 set or tied 51 station records at 27 stations.
  • It ran from 10 October 2026 to 13 October 2026 (4 days) and its peak day was 12 October 2026.
  • Status: closed.
  • Drummond Aviation set a daily record snowfall of 17.3 cm (6.8 in) on 11 October 2026 (provisional).
  • The busiest day was 12 October 2026 with 24 records.
  • The oldest broken record in the ranked list had stood for 130 years.

Footprint

10 to 13 October 2026
Footprint of Snow event in United States, 10 to 13 October 2026 The area covered by Snow event in United States, 10 to 13 October 2026 is outlined, with 17 of the stations that set records marked, coloured by record type.
The area covered by Snow event in United States, 10 to 13 October 2026 is outlined, with 17 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Snow event in United States, 10 to 13 October 2026: stations that set records in the event
StationTypeValueDate
Drummond AviationRecord daily snowfall17.3 cm (6.8 in)2026-10-11
Dillon U of Montana WesternRecord daily snowfall22.9 cm (9.0 in)2026-10-12
Bozeman Gallatin Fld APRecord daily snowfall17.5 cm (6.9 in)2026-10-11
Galata 16 SWRecord daily snowfall28.2 cm (11.1 in)2026-10-11
AnacondaRecord daily snowfall14.5 cm (5.7 in)2026-10-11
ChoteauRecord daily snowfall14.0 cm (5.5 in)2026-10-11
Simpson 6 N - WildhorseRecord daily snowfall7.6 cm (3.0 in)2026-10-11
Great Falls APRecord daily snowfall16.3 cm (6.4 in)2026-10-10
Bynum 4 SSERecord daily snowfall16.3 cm (6.4 in)2026-10-12
Sun Rvr 4 SRecord snow depth15.2 cm (6.0 in)2026-10-11
Brady 27 ENE (the Knees)Record daily snowfall13.2 cm (5.2 in)2026-10-12
StanfordRecord daily snowfall17.8 cm (7.0 in)2026-10-11
Bozeman Montana State UNIVRecord snow depth17.8 cm (7.0 in)2026-10-13
Hinsdale 4 SWRecord snow depth10.2 cm (4.0 in)2026-10-12
Ryegate 18 NNWRecord daily snowfall20.3 cm (8.0 in)2026-10-12
ValentineRecord daily snowfall15.2 cm (6.0 in)2026-10-12
Helena AP ASOSRecord snow depth10.2 cm (4.0 in)2026-10-11
Virginia CityRecord snow depth5.1 cm (2.0 in)2026-10-10
Townsend 3SERecord snow depth5.1 cm (2.0 in)2026-10-11
Wise Rvr 3 WNWRecord snow depth7.6 cm (3.0 in)2026-10-11
ChesterRecord daily snowfall3.8 cm (1.5 in)2026-10-12
Mackay Lost Rvr RsRecord snow depth2.5 cm (1.0 in)2026-10-12
Dunkirk 19NNERecord daily snowfall4.8 cm (1.9 in)2026-10-12
ZortmanRecord daily snowfall5.6 cm (2.2 in)2026-10-12
Melville 4 WRecord snow depth22.9 cm (9.0 in)2026-10-11
Sula 2 SE (Sula Rs)Record snow depth7.6 cm (3.0 in)2026-10-13
Grass RangeRecord snow depth15.2 cm (6.0 in)2026-10-12
Norris Madison Pwr HouseRecord daily snowfall7.6 cm (3.0 in)2026-10-12
Ft BentonRecord snow depth2.5 cm (1.0 in)2026-10-13
ShelbyRecord daily snowfall5.1 cm (2.0 in)2026-10-11
Livingston 12 SRecord daily snowfall7.6 cm (3.0 in)2026-10-12

Records per Day

Peak day 24
Records per day during Snow event in United States, 10 to 13 October 2026 Records set or tied each day from 10 October 2026 to 13 October 2026. The most in one day was 24 on 12 October 2026. 0 6 13 19 25 10-1010-1110-1210-13
Records set or tied each day from 10 October 2026 to 13 October 2026. The most in one day was 24 on 12 October 2026.
Records per day during Snow event in United States, 10 to 13 October 2026
DateRecords
2026-10-103
2026-10-1119
2026-10-1224
2026-10-135

Top Records by Margin

Margin over the record replaced
Top records of Snow event in United States, 10 to 13 October 2026 ranked by margin
Galata 16 SW, 10-1125.7 cm (10.1 in)
Dillon U of Montana Western, 10-1222.9 cm (9.0 in)
Drummond Aviation, 10-1117.3 cm (6.8 in)
Bozeman Gallatin Fld AP, 10-1113.9 cm (5.5 in)
Bynum 4 SSE, 10-1211.2 cm (4.4 in)
Great Falls AP, 10-1011.0 cm (4.3 in)
Brady 27 ENE (the Knees), 10-1210.7 cm (4.2 in)
Stanford, 10-1110.2 cm (4.0 in)
Anaconda, 10-119.4 cm (3.7 in)
Choteau, 10-118.9 cm (3.5 in)
Simpson 6 N - Wildhorse, 10-117.6 cm (3.0 in)
Sun Rvr 4 S, 10-117.6 cm (3.0 in)
Bozeman Montana State UNIV, 10-137.6 cm (3.0 in)
Wise Rvr 3 WNW, 10-117.6 cm (3.0 in)
Wise Rvr 3 WNW, 10-127.6 cm (3.0 in)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

Margin against age of the broken record in Snow event in United States, 10 to 13 October 2026 51 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right. 0 38 75 113 150 075150225300 Margin (mm) Years the old record stood
51 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.
Margin against age of the broken record in Snow event in United States, 10 to 13 October 2026
Margin (mm)Years the old record stood
17397
229130
13971
25756
5074
94115
89100
7695
11053
48113
11256
38125
7675
7675
5177
10732
7656
7644
2577
10256
2577
5177
2576
7644
3956
883
1037
2072
5044
3556
7640
10252
2572
1529
1274
5140
2651
285
7617
1277
729
45
514
369
1517
1520
517
3117
259
269
234

Compared With Other Events

Station records per event
Station records in Snow event in United States, 10 to 13 October 2026 compared with similar events
Snow event in United States, 3 to 27 January 20242,190 records
Snow event in United States, 24 November to 22 December 20251,539 records
Snow event in United States, 9 to 29 April 20221,475 records
Snow event in United States, 27 September to 17 October 20181,247 records
Snow event in United States, 26 September to 23 October 20191,194 records
Snow event in United States, 10 to 13 October 2026 (this event)51 records

Every Record Set

62 of 51
Every record set or tied during Snow event in United States, 10 to 13 October 2026, in date order
DateStationRecordValueMarginYears stoodSignificance
2026-10-10Great Falls APRecord daily snowfall (provisional)16.3 cm (6.4 in)11.0 cm (4.3 in)5352 of 100 (Notable)
2026-10-10Virginia CityRecord snow depth (provisional)5.1 cm (2.0 in)5.1 cm (2.0 in)7720 of 100 (Routine)
2026-10-10Helena AP ASOSRecord daily snowfall (provisional)4.8 cm (1.9 in)3.5 cm (1.4 in)5620 of 100 (Routine)
2026-10-11Drummond AviationRecord daily snowfall (provisional)17.3 cm (6.8 in)17.3 cm (6.8 in)9779 of 100 (Major)
2026-10-11Bozeman Gallatin Fld APRecord daily snowfall (provisional)17.5 cm (6.9 in)13.9 cm (5.5 in)7166 of 100 (Major)
2026-10-11Galata 16 SWRecord daily snowfall (provisional)28.2 cm (11.1 in)25.7 cm (10.1 in)5664 of 100 (Major)
2026-10-11Drummond AviationRecord snow depth (provisional)15.2 cm (6.0 in)5.0 cm (2.0 in)7459 of 100 (Notable)
2026-10-11AnacondaRecord daily snowfall (provisional)14.5 cm (5.7 in)9.4 cm (3.7 in)11558 of 100 (Notable)
2026-10-11ChoteauRecord daily snowfall (provisional)14.0 cm (5.5 in)8.9 cm (3.5 in)10057 of 100 (Notable)
2026-10-11Simpson 6 N - WildhorseRecord daily snowfall (provisional)7.6 cm (3.0 in)7.6 cm (3.0 in)9553 of 100 (Notable)
2026-10-11Sun Rvr 4 SRecord snow depth (provisional)15.2 cm (6.0 in)7.6 cm (3.0 in)5640 of 100 (Notable)
2026-10-11StanfordRecord daily snowfall (provisional)17.8 cm (7.0 in)10.2 cm (4.0 in)5636 of 100 (Notable)
2026-10-11Great Falls APRecord snow depth (provisional)20.3 cm (8.0 in)10.3 cm (4.1 in)733 of 100 (Routine)
2026-10-11AnacondaRecord snow depth (provisional)15.2 cm (6.0 in)7.6 cm (3.0 in)4030 of 100 (Routine)
2026-10-11Great Falls APRecord daily snowfall (provisional)23.6 cm (9.3 in)2.8 cm (1.1 in)527 of 100 (Routine)
2026-10-11Helena AP ASOSRecord snow depth (provisional)10.2 cm (4.0 in)7.2 cm (2.8 in)921 of 100 (Routine)
2026-10-11Townsend 3SERecord snow depth (provisional)5.1 cm (2.0 in)5.1 cm (2.0 in)7720 of 100 (Routine)
2026-10-11Wise Rvr 3 WNWRecord snow depth (provisional)7.6 cm (3.0 in)7.6 cm (3.0 in)7520 of 100 (Routine)
2026-10-11Bynum 4 SSERecord daily snowfall (provisional)12.2 cm (4.8 in)3.6 cm (1.4 in)918 of 100 (Routine)
2026-10-11ChesterRecord daily snowfall (provisional)2.8 cm (1.1 in)1.5 cm (0.6 in)2017 of 100 (Routine)
2026-10-11StanfordRecord snow depth (provisional)17.8 cm (7.0 in)5.1 cm (2.0 in)715 of 100 (Routine)
2026-10-11Melville 4 WRecord snow depth (provisional)22.9 cm (9.0 in)2.6 cm (1.0 in)910 of 100 (Routine)
2026-10-11Wise Rvr 3 WNWRecord daily snowfall (tie) (provisional)1.0 cm (0.4 in)tie677 of 100 (Routine)
2026-10-11Bozeman Gallatin Fld APRecord snow depth (tie) (provisional)2.5 cm (1.0 in)tie717 of 100 (Routine)
2026-10-11Sun Rvr 4 SRecord daily snowfall (tie) (provisional)20.8 cm (8.2 in)tie55 of 100 (Routine)
2026-10-11Melville 4 WRecord daily snowfall (tie) (provisional)23.1 cm (9.1 in)tie92 of 100 (Routine)
2026-10-11ShelbyRecord daily snowfall (tie) (provisional)5.1 cm (2.0 in)tie92 of 100 (Routine)
2026-10-11Townsend 3SERecord daily snowfall (tie) (provisional)5.1 cm (2.0 in)tie92 of 100 (Routine)
2026-10-12Dillon U of Montana WesternRecord daily snowfall (provisional)22.9 cm (9.0 in)22.9 cm (9.0 in)13076 of 100 (Major)
2026-10-12Bynum 4 SSERecord daily snowfall (provisional)16.3 cm (6.4 in)11.2 cm (4.4 in)5645 of 100 (Notable)
2026-10-12Brady 27 ENE (the Knees)Record daily snowfall (provisional)13.2 cm (5.2 in)10.7 cm (4.2 in)3240 of 100 (Notable)
2026-10-12Bozeman Gallatin Fld APRecord snow depth (provisional)15.2 cm (6.0 in)7.6 cm (3.0 in)4434 of 100 (Routine)
2026-10-12ChoteauRecord daily snowfall (provisional)6.4 cm (2.5 in)3.9 cm (1.5 in)5633 of 100 (Routine)
2026-10-12Hinsdale 4 SWRecord snow depth (provisional)10.2 cm (4.0 in)10.2 cm (4.0 in)5230 of 100 (Routine)
2026-10-12ChoteauRecord snow depth (provisional)25.4 cm (10.0 in)15.2 cm (6.0 in)929 of 100 (Routine)
2026-10-12Ryegate 18 NNWRecord daily snowfall (provisional)20.3 cm (8.0 in)12.7 cm (5.0 in)429 of 100 (Routine)
2026-10-12AnacondaRecord snow depth (provisional)12.7 cm (5.0 in)5.1 cm (2.0 in)4027 of 100 (Routine)
2026-10-12ValentineRecord daily snowfall (provisional)15.2 cm (6.0 in)7.6 cm (3.0 in)1726 of 100 (Routine)
2026-10-12Brady 27 ENE (the Knees)Record snow depth (provisional)17.8 cm (7.0 in)12.7 cm (5.0 in)725 of 100 (Routine)
2026-10-12Mackay Lost Rvr RsRecord snow depth (provisional)2.5 cm (1.0 in)2.5 cm (1.0 in)7720 of 100 (Routine)
2026-10-12ChesterRecord daily snowfall (provisional)3.8 cm (1.5 in)3.8 cm (1.5 in)12520 of 100 (Routine)
2026-10-12ChesterRecord snow depth (provisional)2.5 cm (1.0 in)2.5 cm (1.0 in)7720 of 100 (Routine)
2026-10-12Dunkirk 19NNERecord daily snowfall (provisional)4.8 cm (1.9 in)4.8 cm (1.9 in)11320 of 100 (Routine)
2026-10-12Wise Rvr 3 WNWRecord daily snowfall (provisional)0.8 cm (0.3 in)0.8 cm (0.3 in)8320 of 100 (Routine)
2026-10-12Wise Rvr 3 WNWRecord snow depth (provisional)7.6 cm (3.0 in)7.6 cm (3.0 in)7520 of 100 (Routine)
2026-10-12Great Falls APRecord snow depth (provisional)25.4 cm (10.0 in)0.4 cm (0.2 in)520 of 100 (Routine)
2026-10-12Bozeman Montana State UNIVRecord snow depth (provisional)20.3 cm (8.0 in)5.1 cm (2.0 in)419 of 100 (Routine)
2026-10-12Bozeman Montana State UNIVRecord daily snowfall (provisional)12.7 cm (5.0 in)1.5 cm (0.6 in)1717 of 100 (Routine)
2026-10-12ZortmanRecord daily snowfall (provisional)5.6 cm (2.2 in)3.1 cm (1.2 in)1715 of 100 (Routine)
2026-10-12Ryegate 18 NNWRecord snow depth (provisional)12.7 cm (5.0 in)2.5 cm (1.0 in)912 of 100 (Routine)
2026-10-12Melville 4 WRecord daily snowfall (provisional)11.4 cm (4.5 in)2.3 cm (0.9 in)49 of 100 (Routine)
2026-10-12Drummond AviationRecord snow depth (tie) (provisional)10.2 cm (4.0 in)tie445 of 100 (Routine)
2026-10-12Grass RangeRecord snow depth (tie) (provisional)15.2 cm (6.0 in)tie173 of 100 (Routine)
2026-10-12Norris Madison Pwr HouseRecord daily snowfall (tie) (provisional)7.6 cm (3.0 in)tie173 of 100 (Routine)
2026-10-12Livingston 12 SRecord daily snowfall (tie) (provisional)7.6 cm (3.0 in)tie82 of 100 (Routine)
2026-10-12Melville 4 WRecord snow depth (tie) (provisional)25.4 cm (10.0 in)tie41 of 100 (Routine)
2026-10-13Bozeman Montana State UNIVRecord snow depth (provisional)17.8 cm (7.0 in)7.6 cm (3.0 in)4436 of 100 (Notable)
2026-10-13Great Falls APRecord snow depth (provisional)15.2 cm (6.0 in)5.0 cm (2.0 in)4432 of 100 (Routine)
2026-10-13ChoteauRecord snow depth (provisional)10.2 cm (4.0 in)2.6 cm (1.0 in)5127 of 100 (Routine)
2026-10-13Sula 2 SE (Sula Rs)Record snow depth (tie) (provisional)7.6 cm (3.0 in)tie457 of 100 (Routine)
2026-10-13ZortmanRecord snow depth (tie) (provisional)7.6 cm (3.0 in)tie515 of 100 (Routine)
2026-10-13Ft BentonRecord snow depth (tie) (provisional)2.5 cm (1.0 in)tie173 of 100 (Routine)

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Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.