48.304°N, 114.264°W · station FCAthr · 128 years of record
39°F
COLDEST SEP 4 SINCE 2012
forecast low · Sep 4
7-Day Forecast
NWS NDFD forecast low temperature for Kalispell.
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
#96 / 127
coldest Sep 2 in 127 yrs of record
Coldest Sep 2 ever
29°F
set in 1959
Mildest Sep 2 ever
62°F
set in 1931
Forecast low 50°F — 96th coldest Sep 2 of 127 years · record 29°F (1959) · coldest since 2024.
Ranks
#33 / 127
coldest Sep 3 in 127 yrs of record
Coldest Sep 3 ever
31°F
set in 1974
Mildest Sep 3 ever
57°F
set in 1997
Forecast low 40°F — 33rd coldest Sep 3 of 127 years · record 31°F (1974) · coldest since 2021.
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.
Ranks
#21 / 127
coldest Sep 5 in 127 yrs of record
Coldest Sep 5 ever
31°F
set in 1962
Mildest Sep 5 ever
58°F
set in 1952
Forecast low 39°F — 21st coldest Sep 5 of 127 years · record 31°F (1962) · coldest since 2021.
Ranks
#50 / 127
coldest Sep 6 in 127 yrs of record
Coldest Sep 6 ever
27°F
set in 1969
Mildest Sep 6 ever
59°F
set in 2019
Forecast low 41°F — 50th coldest Sep 6 of 127 years · record 27°F (1969) · coldest since 2022.
Ranks
#82 / 127
coldest Sep 7 in 127 yrs of record
Coldest Sep 7 ever
30°F
set in 1960
Mildest Sep 7 ever
59°F
set in 1995
Forecast low 43°F — 82nd coldest Sep 7 of 127 years · record 30°F (1960) · coldest since 2023.
Ranks
#55 / 127
coldest Sep 8 in 127 yrs of record
Coldest Sep 8 ever
25°F
set in 1962
Mildest Sep 8 ever
57°F
set in 1955
Forecast low 42°F — 55th coldest Sep 8 of 127 years · record 25°F (1962) · coldest since 2022.
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.
Month
Record High
Record Low
Jan
56°FJan 27, 1934
-38°FJan 30, 1950
Feb
64°FFeb 24, 1995
-36°FFeb 1, 1950
Mar
73°FMar 30, 2004
-29°FMar 3, 1960
Apr
85°FApr 18, 1936
-8°FApr 1, 1936
May
95°FMay 27, 1936
17°FMay 1, 1899
Jun
102°FJun 28, 2015
26°FJun 7, 1999
Jul
104°FJul 19, 1960
30°FJul 3, 1999
Aug
105°FAug 4, 1961
30°FAug 25, 1910
Sep
99°FSep 1, 1967
7°FSep 24, 1926
Oct
86°FOct 2, 1992
-4°FOct 31, 1935
Nov
69°FNov 12, 1999
-28°FNov 16, 1959
Dec
62°FDec 1, 2021
-35°FDec 30, 1968
All-time
105°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
Month
Warmest low
Coldest high
Jan
42°FJan 30, 1989
-12°FJan 7, 1909
Feb
41°FFeb 8, 1945
-12°FFeb 7, 1936
Mar
46°FMar 8, 2026
2°FMar 2, 1960
Apr
54°FApr 24, 1974
16°FApr 1, 1936
May
62°FMay 30, 1936
35°FMay 1, 1951
Jun
64°FJun 13, 1940
40°FJun 7, 1924
Jul
69°FJul 24, 1923
48°FJul 3, 1902
Aug
69°FAug 16, 2004
44°FAug 22, 1992
Sep
62°FSep 2, 1931
28°FSep 23, 1926
Oct
58°FOct 4, 1929
13°FOct 30, 1935
Nov
51°FNov 7, 2006
-2°FNov 16, 1959
Dec
49°FDec 1, 2021
-16°FDec 30, 1968
All-time
69°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.
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.
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.