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Montana · THREADEX · 1899–2026

Kalispell, MT

48.304°N, 114.264°W · station FCAthr · 128 years of record
39°F
forecast low · Sep 4

7-Day Forecast

NWS NDFD forecast low temperature for Kalispell.
50°WED9/240°THU9/339°FRI9/439°SAT9/541°SUN9/643°MON9/742°TUE9/8

This Day in History

Every year's low on each of the next 7 forecast dates at Kalispell — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.

Ranks

#18 / 127
coldest Sep 4 in 127 yrs of record

Coldest Sep 4 ever

27°F
set in 1962

Mildest Sep 4 ever

58°F
set in 1937
Forecast low 39°F — 18th coldest Sep 4 of 127 years · record 27°F (1962) · coldest since 2012.
1899: 39°F1900: 52°F1901: 48°F1902: 46°F1903: 38°F1904: 43°F1905: 46°F1906: 42°F1907: 40°F1908: 43°F1909: 39°F1910: 46°F1911: 44°F1912: 44°F1913: 54°F1914: 47°F1915: 43°F1916: 50°F1917: 40°F1918: 39°F1919: 54°F1920: 45°F1921: 39°F1922: 54°F1923: 42°F1924: 44°F1925: 49°F1926: 40°F1927: 50°F1928: 50°F1929: 33°F1930: 49°F1931: 56°F1932: 34°F1933: 42°F1934: 48°F1935: 42°F1936: 53°F1937: 58°F1938: 54°F1939: 42°F1940: 54°F1941: 50°F1942: 50°F1943: 45°F1944: 44°F1945: 55°F1946: 50°F1947: 45°F1948: 47°F1949: 54°F1950: 53°F1951: 40°F1952: 44°F1953: 38°F1954: 36°F1955: 53°F1956: 39°F1957: 40°F1958: 46°F1959: 50°F1960: 46°F1961: 46°F1962: 27°F1963: 41°F1964: 41°F1965: 37°F1966: 42°F1967: 40°F1968: 44°F1969: 48°F1970: 51°F1971: 42°F1972: 40°F1973: 37°F1974: 37°F1975: 38°F1976: 42°F1977: 54°F1978: 51°F1979: 44°F1980: 39°F1981: 38°F1982: 48°F1983: 45°F1984: 47°F1985: 37°F1986: 49°F1987: 43°F1988: 50°F1989: 38°F1990: 54°F1991: 39°F1992: 39°F1993: 46°F1994: 44°F1995: 54°F1996: 50°F1997: 47°F1998: 40°F1999: 34°F2000: 40°F2001: 39°F2002: 53°F2003: 44°F2004: 43°F2005: 50°F2006: 42°F2007: 46°F2008: 41°F2009: 36°F2010: 49°F2011: 35°F2012: 33°F2013: 49°F2014: 41°F2015: 45°F2016: 40°F2017: 49°F2018: 45°F2019: 46°F2020: 40°F2021: 39°F2022: 42°F2023: 54°F2024: 53°F2025: 50°F39° forecast25303540455055601900191019201930194019501960197019801990200020102020
📖 Kalispell's full Climate Almanac →

The Numbers

Forecast low · Sep 439°F
Coldest this date since2012
This-date record27°F
This-date rank#18 of 127
Coldest at any time since2026
All-time record-38°F (1950)
Odds to tie/break0.0% (daily)
Period of record1899–2026

Record Book

The hottest and coldest ever recorded at Kalispell in each calendar month, and for the whole 1899–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan56°FJan 27, 1934-38°FJan 30, 1950
Feb64°FFeb 24, 1995-36°FFeb 1, 1950
Mar73°FMar 30, 2004-29°FMar 3, 1960
Apr85°FApr 18, 1936-8°FApr 1, 1936
May95°FMay 27, 193617°FMay 1, 1899
Jun102°FJun 28, 201526°FJun 7, 1999
Jul104°FJul 19, 196030°FJul 3, 1999
Aug105°FAug 4, 196130°FAug 25, 1910
Sep99°FSep 1, 19677°FSep 24, 1926
Oct86°FOct 2, 1992-4°FOct 31, 1935
Nov69°FNov 12, 1999-28°FNov 16, 1959
Dec62°FDec 1, 2021-35°FDec 30, 1968
All-time105°FAug 4, 1961-38°FJan 30, 1950

2026 Records So Far

Records set or tied at Kalispell so far this year — through Aug 30.

Record Highs in 2026

2 broke
plus 2 tied — daily record highs set this year

Record Lows in 2026

1 broke
plus 0 tied — daily record lows set this year

Record Warm Nights & Cold Days

Two more daily records, kept separate from the rankings: the warmest a night has ever stayed (record high minimum) and the coldest a day has ever gotten (record low maximum) — the flip side of the usual record high and low.

Warmest low ever

69°F
record high minimum — the night it never cooled · Jul 24, 1923

Coldest high ever

-16°F
record low maximum — the day it never warmed · Dec 30, 1968
MonthWarmest lowColdest high
Jan42°FJan 30, 1989-12°FJan 7, 1909
Feb41°FFeb 8, 1945-12°FFeb 7, 1936
Mar46°FMar 8, 20262°FMar 2, 1960
Apr54°FApr 24, 197416°FApr 1, 1936
May62°FMay 30, 193635°FMay 1, 1951
Jun64°FJun 13, 194040°FJun 7, 1924
Jul69°FJul 24, 192348°FJul 3, 1902
Aug69°FAug 16, 200444°FAug 22, 1992
Sep62°FSep 2, 193128°FSep 23, 1926
Oct58°FOct 4, 192913°FOct 30, 1935
Nov51°FNov 7, 2006-2°FNov 16, 1959
Dec49°FDec 1, 2021-16°FDec 30, 1968
All-time69°FJul 24, 1923-16°FDec 30, 1968

Cold Streaks

Current run

0 days
consecutive days with a low ≤ 32°F

Longest ever

139 days
record run, ended Mar 31 1985

So far in 2026

101 days
days with a low ≤ 32°F this year

Climate Normals

Normal low & low by month, from Kalispell's own 1991–2020 record. Today's normal low: 42°F · forecast is -3° vs normal.
Jan: 31°FJan: 17°FFeb: 36°FFeb: 18°FMar: 45°FMar: 25°FApr: 55°FApr: 31°FMay: 65°FMay: 39°FJun: 72°FJun: 44°FJul: 82°FJul: 48°FAug: 82°FAug: 46°FSep: 71°FSep: 39°FOct: 55°FOct: 30°FNov: 40°FNov: 24°FDec: 31°FDec: 18°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise4:54 AM
Sunset6:19 PM
Solar noon11:37 AM
Daylight13h 24m · losing 24 min/wk
Local standard time (no DST), level horizon.

Location

48.30°N, 114.26°W

Nearby Stations

Missoula, MT95 mi SGreat Falls, MT145 mi ESpokane, WA158 mi WHelena, MT158 mi SEPullman, WA171 mi SWLewiston, ID185 mi SW

The Last 6 Weeks

Kalispell's observed daily low for the last six weeks — a white ring marks any day that broke or tied its daily record for that date.
Kalispell, MT — last six weeks of daily low

2026 So Far

Every day this year against Kalispell's own record — the record low, the normal, and the full span ever seen. A shareable look at where the year stands.
Kalispell, MT — 2026 daily low trace
Download year chart

Every Day Since 1899

Each cell is one day's low at Kalispell, coloured by temperature — 128 years of record, so heat waves read as warm streaks and cold snaps as blue.
Kalispell, MT daily low heat map 1899–2026

Days Below the Mark

How many days a year hit a given low at Kalispell — counted through Sep 4 each year, so you can see whether 2026 is running cold. Pick a threshold:
101 days ≤32°F so far in 2026 — tied for the 83rd most in 128 years. Normal for this point: 102. Record: 123 in 1982.

Share Card

A ready-to-share summary of Kalispell's outlook — post it, or link this page.
Kalispell, MT cold share card
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