40.204°N, 100.590°W · station MCKthr · 131 years of record
99°F
HOTTEST SEP 3 SINCE 2023
forecast high · Sep 3
7-Day Forecast
NWS NDFD forecast high temperature for McCook.
This Day in History
Every year's high on each of the next 7 forecast dates at McCook — toggle a day below. The forecast line shows where it lands; the ringed bar is the hottest on record.
Ranks
#21 / 90
warmest Sep 1 in 90 yrs of record
Warmest Sep 1 ever
107°F
set in 1929
Coolest Sep 1 ever
71°F
set in 1992
Forecast high 94°F — 21st warmest Sep 1 of 90 years · record 107°F (1929) · warmest since 2023.
Ranks
#11 / 93
warmest Sep 2 in 93 yrs of record
Warmest Sep 2 ever
103°F
set in 1947
Coolest Sep 2 ever
66°F
set in 1938
Forecast high 98°F — 11th warmest Sep 2 of 93 years · record 103°F (1947) · warmest since 2023.
Ranks
#10 / 93
warmest Sep 3 in 93 yrs of record
Warmest Sep 3 ever
104°F
set in 1947
Coolest Sep 3 ever
62°F
set in 1935
Forecast high 99°F — 10th warmest Sep 3 of 93 years · record 104°F (1947) · warmest since 2023.
Ranks
#8 / 91
warmest Sep 4 in 91 yrs of record
Warmest Sep 4 ever
102°F
set in 1945
Coolest Sep 4 ever
57°F
set in 1918
Forecast high 99°F — 8th warmest Sep 4 of 91 years · record 102°F (1945) · warmest since 2023.
Ranks
#14 / 93
warmest Sep 5 in 93 yrs of record
Warmest Sep 5 ever
106°F
set in 1931
Coolest Sep 5 ever
64°F
set in 1918
Forecast high 98°F — 14th warmest Sep 5 of 93 years · record 106°F (1931) · warmest since 2019.
Ranks
#28 / 93
warmest Sep 6 in 93 yrs of record
Warmest Sep 6 ever
106°F
set in 2013
Coolest Sep 6 ever
53°F
set in 1929
Forecast high 95°F — 28th warmest Sep 6 of 93 years · record 106°F (2013) · warmest since 2022.
Ranks
#20 / 92
warmest Sep 7 in 92 yrs of record
Warmest Sep 7 ever
106°F
set in 2013
Coolest Sep 7 ever
51°F
set in 1929
Forecast high 95°F — 20th warmest Sep 7 of 92 years · record 106°F (2013) · warmest since 2022.
The hottest and coldest ever recorded at McCook in each calendar month, and for the whole 1896–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
78°FJan 10, 1911
-30°FJan 12, 1912
Feb
83°FFeb 19, 1930
-26°FFeb 8, 1933
Mar
98°FMar 21, 2026
-20°FMar 3, 1960
Apr
98°FApr 28, 1910
0°FApr 2, 1936
May
106°FMay 31, 2002
14°FMay 1, 1909
Jun
115°FJun 26, 2012
34°FJun 1, 1947
Jul
114°FJul 20, 1932
43°FJul 4, 1915
Aug
111°FAug 3, 1930
39°FAug 28, 1911
Sep
107°FSep 1, 1929
22°FSep 30, 1912
Oct
98°FOct 9, 1928
-1°FOct 29, 1913
Nov
89°FNov 19, 2007
-14°FNov 14, 1940
Dec
81°FDec 23, 1964
-27°FDec 22, 1989
All-time
115°FJun 26, 2012
-30°FJan 12, 1912
2026 Records So Far
Records set or tied at McCook so far this year — through Aug 30.
Record Highs in 2026
6 broke
plus 4 tied — daily record highs set this year
Monthly high record this year: Mar (98°F)
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
88°F
record high minimum — the night it never cooled · Aug 1, 1935
Coldest high ever
-4°F
record low maximum — the day it never warmed · Dec 22, 1989
Month
Warmest low
Coldest high
Jan
42°FJan 9, 2002
-2°FJan 12, 1916
Feb
47°FFeb 19, 2017
-4°FFeb 15, 2021
Mar
61°FMar 30, 1967
8°FMar 2, 2014
Apr
63°FApr 25, 1896
22°FApr 1, 1936
May
72°FMay 28, 2006
40°FMay 1, 1954
Jun
84°FJun 28, 1911
47°FJun 4, 1998
Jul
82°FJul 31, 1934
58°FJul 2, 1995
Aug
88°FAug 1, 1935
58°FAug 24, 1934
Sep
75°FSep 2, 1964
41°FSep 24, 2000
Oct
71°FOct 6, 2007
21°FOct 31, 1991
Nov
55°FNov 8, 2020
5°FNov 27, 1919
Dec
48°FDec 13, 2014
-4°FDec 22, 1989
All-time
88°FAug 1, 1935
-4°FDec 22, 1989
Hot Streaks
Current run
4 days
consecutive days with a high ≥ 90°F
Longest ever
37 days
record run, ended Jul 20 1925
So far in 2026
61 days
days with a high ≥ 90°F this year
Climate Normals
Normal high & low by month, from McCook's own 1991–2020 record. Today's normal high: 86°F · forecast is +13° vs normal.