48.174°N, 103.637°W · station ISNthr · 133 years of record
71°F
HOTTEST OCT 17 SINCE 2024
forecast high · Oct 17
7-Day Forecast
NWS NDFD forecast high temperature for Williston.
This Day in History
Every year's high on each of the next 7 forecast dates at Williston — toggle a day below. The forecast line shows where it lands; the ringed bar is the hottest on record.
Ranks
#20 / 130
warmest Oct 17 in 130 yrs of record
Warmest Oct 17 ever
83°F
set in 1914
Coolest Oct 17 ever
23°F
set in 1930
Forecast high 71°F — 20th warmest Oct 17 of 130 years · record 83°F (1914) · warmest since 2024.
Ranks
#56 / 130
warmest Oct 18 in 130 yrs of record
Warmest Oct 18 ever
81°F
set in 2003
Coolest Oct 18 ever
22°F
set in 1930
Forecast high 59°F — 56th warmest Oct 18 of 130 years · record 81°F (2003) · warmest since 2024.
Ranks
#41 / 129
warmest Oct 19 in 129 yrs of record
Warmest Oct 19 ever
82°F
set in 1947
Coolest Oct 19 ever
25°F
set in 2020
Forecast high 62°F — 41st warmest Oct 19 of 129 years · record 82°F (1947) · warmest since 2023.
Ranks
#34 / 129
warmest Oct 20 in 129 yrs of record
Warmest Oct 20 ever
80°F
set in 2017
Coolest Oct 20 ever
27°F
set in 1949
Forecast high 65°F — 34th warmest Oct 20 of 129 years · record 80°F (2017) · warmest since 2024.
Ranks
#46 / 130
warmest Oct 21 in 130 yrs of record
Warmest Oct 21 ever
82°F
set in 2003
Coolest Oct 21 ever
28°F
set in 2002
Forecast high 61°F — 46th warmest Oct 21 of 130 years · record 82°F (2003) · warmest since 2024.
Ranks
#34 / 130
warmest Oct 22 in 130 yrs of record
Warmest Oct 22 ever
83°F
set in 1992
Coolest Oct 22 ever
28°F
set in 1917
Forecast high 64°F — 34th warmest Oct 22 of 130 years · record 83°F (1992) · warmest since 2024.
Ranks
#40 / 130
warmest Oct 23 in 130 yrs of record
Warmest Oct 23 ever
79°F
set in 1901
Coolest Oct 23 ever
19°F
set in 1919
Forecast high 60°F — 40th warmest Oct 23 of 130 years · record 79°F (1901) · warmest since 2025.
The hottest and coldest ever recorded at Williston in each calendar month, and for the whole 1894–2026 record — with the year each was set.
Month
Record High
Record Low
Jan
58°FJan 5, 2012
-42°FJan 15, 1907
Feb
66°FFeb 27, 1932
-50°FFeb 16, 1936
Mar
84°FMar 22, 1910
-35°FMar 14, 1897
Apr
92°FApr 20, 1980
-15°FApr 2, 1975
May
106°FMay 22, 1980
10°FMay 3, 2005
Jun
108°FJun 16, 1931
26°FJun 4, 1998
Jul
110°FJul 5, 1936
34°FJul 3, 1967
Aug
108°FAug 7, 1949
32°FAug 22, 1908
Sep
104°FSep 1, 1983
13°FSep 29, 1907
Oct
93°FOct 1, 1897
-9°FOct 30, 2002
Nov
76°FNov 7, 1999
-27°FNov 24, 1996
Dec
63°FDec 6, 1939
-50°FDec 23, 1983
All-time
110°FJul 5, 1936
-50°FFeb 16, 1936
2026 Records So Far
Records set or tied at Williston so far this year — through Oct 15.
Record Highs in 2026
3 broke
plus 0 tied — daily record highs set this year
Record Lows in 2026
0 broke
plus 1 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
78°F
record high minimum — the night it never cooled · Jul 6, 1936
Coldest high ever
-29°F
record low maximum — the day it never warmed · Jan 16, 1930
Month
Warmest low
Coldest high
Jan
38°FJan 3, 1962
-29°FJan 16, 1930
Feb
43°FFeb 27, 1932
-28°FFeb 16, 1936
Mar
47°FMar 30, 1925
-10°FMar 1, 1919
Apr
59°FApr 28, 1952
12°FApr 2, 1954
May
70°FMay 23, 1980
32°FMay 3, 1899
Jun
78°FJun 10, 1956
41°FJun 3, 1943
Jul
78°FJul 6, 1936
50°FJul 25, 1918
Aug
76°FAug 2, 1989
48°FAug 23, 1992
Sep
72°FSep 4, 1960
31°FSep 24, 1926
Oct
61°FOct 1, 1897
15°FOct 27, 1925
Nov
56°FNov 6, 1931
-10°FNov 28, 1896
Dec
42°FDec 3, 1941
-27°FDec 23, 1983
All-time
78°FJul 6, 1936
-29°FJan 16, 1930
Hot Streaks
Current run
0 days
consecutive days with a high ≥ 90°F
Longest ever
12 days
record run, ended Aug 19 2003
So far in 2026
19 days
days with a high ≥ 90°F this year
Climate Normals
Normal high & low by month, from Williston's own 1991–2020 record. Today's normal high: 56°F · forecast is +15° vs normal.
Williston'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 Williston's own record — the record high, the normal, and the full span ever seen. A shareable look at where the year stands.