43.879°N, 91.253°W · station LSEthr · 155 years of record
62°F
COLDEST SEP 8 SINCE 2025
forecast low · Sep 8
7-Day Forecast
NWS NDFD forecast low temperature for La Crosse.
This Day in History
Every year's low on each of the next 7 forecast dates at La Crosse — toggle a day below. The forecast line shows where it lands; the ringed bar is the coldest on record.
Ranks
#148 / 153
coldest Sep 2 in 153 yrs of record
Coldest Sep 2 ever
42°F
set in 1893
Mildest Sep 2 ever
76°F
set in 1937
Forecast low 70°F — 148th coldest Sep 2 of 153 years · record 42°F (1893) · coldest since 2025.
Ranks
#148 / 152
coldest Sep 3 in 152 yrs of record
Coldest Sep 3 ever
38°F
set in 1974
Mildest Sep 3 ever
72°F
set in 1898
Forecast low 70°F — 148th coldest Sep 3 of 152 years · record 38°F (1974) · coldest since 2025.
Ranks
#147 / 152
coldest Sep 4 in 152 yrs of record
Coldest Sep 4 ever
37°F
set in 1891
Mildest Sep 4 ever
73°F
set in 2014
Forecast low 71°F — 147th coldest Sep 4 of 152 years · record 37°F (1891) · coldest since 2025.
Ranks
#148 / 153
coldest Sep 5 in 153 yrs of record
Coldest Sep 5 ever
40°F
set in 1918
Mildest Sep 5 ever
78°F
set in 2023
Forecast low 70°F — 148th coldest Sep 5 of 153 years · record 40°F (1918) · coldest since 2025.
Ranks
#138 / 153
coldest Sep 6 in 153 yrs of record
Coldest Sep 6 ever
43°F
set in 1885
Mildest Sep 6 ever
76°F
set in 2015
Forecast low 69°F — 138th coldest Sep 6 of 153 years · record 43°F (1885) · coldest since 2025.
Ranks
#124 / 153
coldest Sep 7 in 153 yrs of record
Coldest Sep 7 ever
40°F
set in 1986
Mildest Sep 7 ever
75°F
set in 1985
Forecast low 65°F — 124th coldest Sep 7 of 153 years · record 40°F (1986) · coldest since 2025.
Ranks
#113 / 153
coldest Sep 8 in 153 yrs of record
Coldest Sep 8 ever
35°F
set in 1883
Mildest Sep 8 ever
74°F
set in 1960
Forecast low 62°F — 113th coldest Sep 8 of 153 years · record 35°F (1883) · coldest since 2025.
The hottest and coldest ever recorded at La Crosse in each calendar month, and for the whole 1872–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
58°FJan 30, 2025
-43°FJan 18, 1873
Feb
69°FFeb 27, 2024
-36°FFeb 8, 1971
Mar
86°FMar 28, 2025
-28°FMar 1, 1962
Apr
93°FApr 29, 1910
7°FApr 1, 1924
May
107°FMay 31, 1934
26°FMay 2, 1911
Jun
102°FJun 20, 1933
33°FJun 1, 1897
Jul
108°FJul 14, 1936
44°FJul 4, 1967
Aug
105°FAug 1, 1988
35°FAug 30, 1915
Sep
101°FSep 6, 1922
24°FSep 30, 1899
Oct
93°FOct 6, 1963
6°FOct 25, 1887
Nov
80°FNov 1, 1933
-21°FNov 29, 1875
Dec
69°FDec 15, 2021
-37°FDec 24, 1872
All-time
108°FJul 14, 1936
-43°FJan 18, 1873
2026 Records So Far
Records set or tied at La Crosse so far this year — through Aug 30.
Record Highs in 2026
1 broke
plus 1 tied — daily record highs set this year
Record Lows in 2026
0 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
81°F
record high minimum — the night it never cooled · Jul 21, 1901
Coldest high ever
-18°F
record low maximum — the day it never warmed · Feb 8, 1899
Month
Warmest low
Coldest high
Jan
42°FJan 17, 1894
-17°FJan 4, 1884
Feb
48°FFeb 21, 1930
-18°FFeb 8, 1899
Mar
62°FMar 17, 2012
3°FMar 6, 1899
Apr
69°FApr 19, 1985
22°FApr 1, 1899
May
75°FMay 29, 2006
35°FMay 1, 1909
Jun
81°FJun 30, 2026
47°FJun 2, 1945
Jul
81°FJul 21, 1901
61°FJul 3, 1932
Aug
79°FAug 24, 1948
56°FAug 4, 1915
Sep
78°FSep 5, 2023
42°FSep 26, 1927
Oct
72°FOct 4, 2005
26°FOct 28, 1925
Nov
60°FNov 2, 1938
0°FNov 29, 1875
Dec
51°FDec 2, 1982
-18°FDec 23, 1983
All-time
81°FJul 21, 1901
-18°FFeb 8, 1899
Cold Streaks
Current run
0 days
consecutive days with a low ≤ 32°F
Longest ever
137 days
record run, ended Mar 27 1881
So far in 2026
85 days
days with a low ≤ 32°F this year
Climate Normals
Normal low & low by month, from La Crosse's own 1991–2020 record. Today's normal low: 56°F · forecast is +6° vs normal.
La Crosse'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 La Crosse's own record — the record low, the normal, and the full span ever seen. A shareable look at where the year stands.