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Montana · THREADEX · 1899–2026

Kalispell, MT

48.304°N, 114.264°W · station FCAthr · 128 years of record
84°F
forecast high · Sep 1

7-Day Forecast

NWS NDFD forecast high temperature for Kalispell.
84°TUE9/175°WED9/266°THU9/367°FRI9/472°SAT9/574°SUN9/670°MON9/7

This Day in History

Every year's high 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 hottest on record.

Ranks

#27 / 127
warmest Sep 1 in 127 yrs of record

Warmest Sep 1 ever

99°F
set in 1967

Coolest Sep 1 ever

52°F
set in 1910
Forecast high 84°F — 27th warmest Sep 1 of 127 years · record 99°F (1967) · warmest since 2025.
1899: 64°F1900: 62°F1901: 83°F1902: 77°F1903: 74°F1904: 61°F1905: 74°F1906: 75°F1907: 78°F1908: 67°F1909: 80°F1910: 52°F1911: 84°F1912: 54°F1913: 67°F1914: 72°F1915: 70°F1916: 85°F1917: 70°F1918: 58°F1919: 72°F1920: 68°F1921: 67°F1922: 61°F1923: 83°F1924: 70°F1925: 84°F1926: 62°F1927: 66°F1928: 78°F1929: 73°F1930: 70°F1931: 79°F1932: 63°F1933: 68°F1934: 75°F1935: 81°F1936: 81°F1937: 78°F1938: 91°F1939: 76°F1940: 85°F1941: 63°F1942: 72°F1943: 60°F1944: 84°F1945: 85°F1946: 82°F1947: 73°F1948: 74°F1949: 87°F1950: 88°F1951: 64°F1952: 60°F1953: 76°F1954: 76°F1955: 86°F1956: 71°F1957: 73°F1958: 71°F1959: 67°F1960: 79°F1961: 61°F1962: 81°F1963: 71°F1964: 54°F1965: 74°F1966: 71°F1967: 99°F1968: 80°F1969: 86°F1970: 82°F1971: 58°F1972: 75°F1973: 65°F1974: 69°F1975: 52°F1976: 83°F1977: 69°F1978: 72°F1979: 75°F1980: 62°F1981: 71°F1982: 77°F1983: 82°F1984: 59°F1985: 73°F1986: 69°F1987: 87°F1988: 80°F1989: 76°F1990: 77°F1991: 76°F1992: 79°F1993: 71°F1994: 75°F1995: 83°F1996: 73°F1997: 84°F1998: 91°F1999: 65°F2000: 76°F2001: 81°F2002: 74°F2003: 87°F2004: 85°F2005: 77°F2006: 70°F2007: 82°F2008: 64°F2009: 87°F2010: 66°F2011: 66°F2012: 86°F2013: 91°F2014: 70°F2015: 81°F2016: 84°F2017: 89°F2018: 76°F2019: 88°F2020: 61°F2021: 71°F2022: 93°F2023: 80°F2024: 90°F2025: 93°F84° forecast505560657075808590951001900191019201930194019501960197019801990200020102020
📖 Kalispell's full Climate Almanac →

The Numbers

Forecast high · Sep 184°F
Hottest this date since2025
This-date record99°F
This-date rank#27 of 127
Hottest at any time since2026
All-time record105°F (1961)
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

Hot Streaks

Current run

0 days
consecutive days with a high ≥ 90°F

Longest ever

17 days
record run, ended Jul 24 2024

So far in 2026

10 days
days with a high ≥ 90°F this year

Climate Normals

Normal high & low by month, from Kalispell's own 1991–2020 record. Today's normal high: 77°F · forecast is +7° 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 high 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 high

2026 So Far

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

Every Day Since 1899

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

Days Above the Mark

How many days a year hit a given high at Kalispell — counted through Sep 1 each year, so you can see whether 2026 is running hot. Pick a threshold:
10 days ≥90°F so far in 2026 — tied for the 60th most in 128 years. Normal for this point: 11. Record: 34 in 2021.

Share Card

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