36.267°N, 93.157°W · station HROthr · 135 years of record
96°F
HOTTEST SEP 1 SINCE 2011
forecast high · Sep 1
7-Day Forecast
NWS NDFD forecast high temperature for Harrison.
This Day in History
Every year's high on each of the next 7 forecast dates at Harrison — toggle a day below. The forecast line shows where it lands; the ringed bar is the hottest on record.
Ranks
#12 / 119
warmest Sep 1 in 119 yrs of record
Warmest Sep 1 ever
101°F
set in 1913
Coolest Sep 1 ever
69°F
set in 1994
Forecast high 96°F — 12th warmest Sep 1 of 119 years · record 101°F (1913) · warmest since 2011.
Ranks
#14 / 122
warmest Sep 2 in 122 yrs of record
Warmest Sep 2 ever
103°F
set in 1913
Coolest Sep 2 ever
71°F
set in 1974
Forecast high 96°F — 14th warmest Sep 2 of 122 years · record 103°F (1913) · warmest since 2011.
Ranks
#15 / 123
warmest Sep 3 in 123 yrs of record
Warmest Sep 3 ever
106°F
set in 1939
Coolest Sep 3 ever
71°F
set in 1974
Forecast high 96°F — 15th warmest Sep 3 of 123 years · record 106°F (1939) · warmest since 2000.
Ranks
#17 / 122
warmest Sep 4 in 122 yrs of record
Warmest Sep 4 ever
106°F
set in 1913
Coolest Sep 4 ever
69°F
set in 1974
Forecast high 95°F — 17th warmest Sep 4 of 122 years · record 106°F (1913) · warmest since 2012.
Ranks
#16 / 123
warmest Sep 5 in 123 yrs of record
Warmest Sep 5 ever
106°F
set in 1913
Coolest Sep 5 ever
68°F
set in 1908
Forecast high 95°F — 16th warmest Sep 5 of 123 years · record 106°F (1913) · warmest since 2012.
Ranks
#17 / 122
warmest Sep 6 in 122 yrs of record
Warmest Sep 6 ever
104°F
set in 1939
Coolest Sep 6 ever
66°F
set in 1962
Forecast high 95°F — 17th warmest Sep 6 of 122 years · record 104°F (1939) · warmest since 2012.
Ranks
#18 / 123
warmest Sep 7 in 123 yrs of record
Warmest Sep 7 ever
105°F
set in 1907
Coolest Sep 7 ever
72°F
set in 1957
Forecast high 95°F — 18th warmest Sep 7 of 123 years · record 105°F (1907) · warmest since 2012.
The hottest and coldest ever recorded at Harrison in each calendar month, and for the whole 1892–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
81°FJan 24, 1943
-18°FJan 18, 1930
Feb
87°FFeb 5, 1927
-20°FFeb 13, 1905
Mar
98°FMar 24, 1929
-10°FMar 12, 1948
Apr
99°FApr 27, 1927
20°FApr 1, 1899
May
99°FMay 28, 1926
26°FMay 1, 1903
Jun
107°FJun 28, 2012
40°FJun 12, 1903
Jul
112°FJul 18, 1936
41°FJul 18, 1910
Aug
112°FAug 9, 1934
41°FAug 31, 1915
Sep
106°FSep 4, 1913
30°FSep 29, 1908
Oct
96°FOct 5, 1909
16°FOct 29, 1910
Nov
86°FNov 1, 1927
5°FNov 14, 1908
Dec
85°FDec 27, 2025
-11°FDec 23, 1989
All-time
112°FAug 9, 1934
-20°FFeb 13, 1905
2026 Records So Far
Records set or tied at Harrison so far this year — through Aug 30.
Record Highs in 2026
5 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
90°F
record high minimum — the night it never cooled · Aug 5, 1923
Coldest high ever
3°F
record low maximum — the day it never warmed · Jan 12, 1912
Month
Warmest low
Coldest high
Jan
65°FJan 25, 1950
3°FJan 12, 1912
Feb
63°FFeb 26, 1996
4°FFeb 15, 2021
Mar
69°FMar 21, 2026
21°FMar 3, 2002
Apr
70°FApr 1, 1946
37°FApr 8, 1916
May
77°FMay 23, 2000
38°FMay 3, 2013
Jun
80°FJun 20, 1915
60°FJun 1, 1903
Jul
88°FJul 31, 1986
65°FJul 10, 1905
Aug
90°FAug 5, 1923
65°FAug 23, 1961
Sep
80°FSep 20, 1954
51°FSep 29, 1984
Oct
72°FOct 6, 1941
31°FOct 29, 1925
Nov
67°FNov 7, 1945
23°FNov 28, 1976
Dec
65°FDec 15, 2021
3°FDec 24, 1983
All-time
90°FAug 5, 1923
3°FJan 12, 1912
Hot Streaks
Current run
6 days
consecutive days with a high ≥ 90°F
Longest ever
59 days
record run, ended Aug 16 1934
So far in 2026
60 days
days with a high ≥ 90°F this year
Climate Normals
Normal high & low by month, from Harrison's own 1991–2020 record. Today's normal high: 87°F · forecast is +9° vs normal.
Harrison'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 Harrison's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.