48.304°N, 114.264°W · station FCAthr · 128 years of record
84°F
HOTTEST SEP 1 SINCE 2025
forecast high · Sep 1
7-Day Forecast
NWS NDFD forecast high temperature for Kalispell.
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.
Ranks
#65 / 127
warmest Sep 2 in 127 yrs of record
Warmest Sep 2 ever
96°F
set in 1998
Coolest Sep 2 ever
54°F
set in 1915
Forecast high 75°F — 65th warmest Sep 2 of 127 years · record 96°F (1998) · warmest since 2025.
Ranks
#106 / 127
warmest Sep 3 in 127 yrs of record
Warmest Sep 3 ever
94°F
set in 1950
Coolest Sep 3 ever
51°F
set in 1912
Forecast high 66°F — 106th warmest Sep 3 of 127 years · record 94°F (1950) · warmest since 2025.
Ranks
#99 / 127
warmest Sep 4 in 127 yrs of record
Warmest Sep 4 ever
97°F
set in 1988
Coolest Sep 4 ever
53°F
set in 1965
Forecast high 67°F — 99th warmest Sep 4 of 127 years · record 97°F (1988) · warmest since 2025.
Ranks
#69 / 127
warmest Sep 5 in 127 yrs of record
Warmest Sep 5 ever
94°F
set in 1967
Coolest Sep 5 ever
49°F
set in 1912
Forecast high 72°F — 69th warmest Sep 5 of 127 years · record 94°F (1967) · warmest since 2025.
Ranks
#66 / 127
warmest Sep 6 in 127 yrs of record
Warmest Sep 6 ever
93°F
set in 1998
Coolest Sep 6 ever
48°F
set in 1901
Forecast high 74°F — 66th warmest Sep 6 of 127 years · record 93°F (1998) · warmest since 2025.
Ranks
#71 / 127
warmest Sep 7 in 127 yrs of record
Warmest Sep 7 ever
93°F
set in 2022
Coolest Sep 7 ever
48°F
set in 1922
Forecast high 70°F — 71st warmest Sep 7 of 127 years · record 93°F (2022) · warmest since 2025.
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
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.
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.
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.