North Dakota · THREADEX · 1874–2026

Bismarck, ND

46.782°N, 100.757°W · station BISthr · 153 years of record
66°F
forecast low · Jul 18

7-Day Forecast

NWS NDFD forecast low temperature for Bismarck.
73°TUE7/1471°WED7/1572°THU7/1669°FRI7/1766°SAT7/1866°SUN7/19

This Day in History · Jul 18

Today ranks

#130 / 151
coldest Jul 18 in 151 yrs of record

Coldest Jul 18 ever

42°F
set in 1984

Mildest Jul 18 ever

77°F
set in 1936

Coldest Jul 18 — Year by Year

Every year's low on Jul 18 at Bismarck. The forecast line shows where today lands; the ringed bar is the coldest on record.
4260771875: 54°F1876: 55°F1877: 51°F1878: 70°F1879: 62°F1880: 54°F1881: 66°F1882: 52°F1883: 46°F1884: 56°F1885: 53°F1886: 65°F1887: 60°F1888: 53°F1889: 62°F1890: 57°F1891: 51°F1892: 63°F1893: 55°F1894: 67°F1895: 49°F1896: 58°F1897: 58°F1898: 64°F1899: 59°F1900: 61°F1901: 64°F1902: 55°F1903: 52°F1904: 47°F1905: 51°F1906: 57°F1907: 57°F1908: 58°F1909: 67°F1910: 61°F1911: 52°F1912: 50°F1913: 55°F1914: 57°F1915: 52°F1916: 66°F1917: 64°F1918: 60°F1919: 54°F1920: 66°F1921: 57°F1922: 47°F1923: 66°F1924: 49°F1925: 60°F1926: 68°F1927: 58°F1928: 57°F1929: 51°F1930: 65°F1931: 64°F1932: 72°F1933: 66°F1934: 72°F1935: 65°F1936: 77°F1937: 57°F1938: 63°F1939: 61°F1940: 66°F1941: 56°F1942: 56°F1943: 60°F1944: 55°F1945: 68°F1946: 62°F1947: 49°F1948: 56°F1949: 55°F1950: 55°F1951: 56°F1952: 62°F1953: 56°F1954: 62°F1955: 63°F1956: 57°F1957: 64°F1958: 50°F1959: 56°F1960: 65°F1961: 55°F1962: 58°F1963: 55°F1964: 60°F1965: 62°F1966: 54°F1967: 59°F1968: 58°F1969: 64°F1970: 58°F1971: 52°F1972: 51°F1973: 48°F1974: 64°F1975: 61°F1976: 45°F1977: 63°F1978: 59°F1979: 53°F1980: 54°F1981: 57°F1982: 46°F1983: 60°F1984: 42°F1985: 59°F1986: 58°F1987: 61°F1988: 47°F1989: 60°F1990: 56°F1991: 57°F1992: 52°F1993: 57°F1994: 61°F1995: 51°F1996: 62°F1997: 67°F1998: 67°F1999: 61°F2000: 52°F2001: 66°F2002: 65°F2003: 60°F2004: 59°F2005: 57°F2006: 62°F2007: 67°F2008: 59°F2009: 47°F2010: 53°F2011: 71°F2012: 64°F2013: 67°F2014: 60°F2015: 53°F2016: 59°F2017: 60°F2018: 65°F2019: 61°F2020: 63°F2021: 71°F2022: 71°F2023: 58°F2024: 53°F2025: 59°F66° forecast187519842025

The Numbers

Forecast low · Jul 1866°F
Coldest this date since2025
This-date record42°F
This-date rank#130 of 151
Coldest at any time since2026
All-time record-45°F (1916)
Odds to tie/break0.0% (daily)
Period of record1874–2026

Record Book

The hottest and coldest ever recorded at Bismarck in each calendar month, and for the whole 1874–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan63°F2002-45°F1916
Feb73°F2016-45°F1936
Mar81°F1910-36°F1897
Apr93°F1980-12°F1975
May102°F193413°F1907
Jun111°F200230°F1969
Jul114°F193632°F1884
Aug109°F194132°F1895
Sep105°F193110°F1876
Oct95°F1953-10°F1919
Nov79°F1999-30°F1985
Dec66°F1939-43°F1967
All-time114°F1936-45°F1916

2026 Records So Far

Records set or tied at Bismarck so far this year — through Jul 11.

Record Highs in 2026

2 broke
plus 3 tied — daily record highs set this year

Record Lows in 2026

0 broke
plus 1 tied — daily record lows set this year

Cold Streaks

Current run

0 days
consecutive days with a low ≤ 32°F

Longest ever

177 days
record run, ended Apr 20 1875

So far in 2026

115 days
days with a low ≤ 32°F this year

Climate Normals

Normal low & low by month, from Bismarck's own 1991–2020 record. Today's normal low: 59°F · forecast is +7° vs normal.
Jan: 23°FJan: 2°FFeb: 28°FFeb: 7°FMar: 41°FMar: 19°FApr: 56°FApr: 30°FMay: 68°FMay: 42°FJun: 78°FJun: 53°FJul: 85°FJul: 58°FAug: 84°FAug: 56°FSep: 73°FSep: 46°FOct: 57°FOct: 33°FNov: 41°FNov: 19°FDec: 28°FDec: 8°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise4:02 AM
Sunset7:35 PM
Solar noon11:49 AM
Daylight15h 33m · losing 10 min/wk
Local standard time (no DST), level horizon.

Location

46.78°N, 100.76°W

Nearby Stations

Mobridge, SD86 mi SAberdeen, SD145 mi SEWilliston, ND165 mi NWGrand Forks, ND185 mi EFargo, ND186 mi ESisseton, SD195 mi E

The Last 6 Weeks

Bismarck'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.
Bismarck, ND — last six weeks of daily low

2026 So Far

Every day this year against Bismarck's own record — the record low, the normal, and the full span ever seen. A shareable look at where the year stands.
Bismarck, ND — 2026 daily low trace
Download year chart

Every Day Since 1874

Each cell is one day's low at Bismarck, coloured by temperature — 153 years of record, so heat waves read as warm streaks and cold snaps as blue.
Bismarck, ND daily low heat map 1874–2026

Days Below the Mark

How many days a year hit a given low at Bismarck — counted through Jul 18 each year, so you can see whether 2026 is running cold. Pick a threshold:
115 days ≤32°F so far in 2026 — tied for the 26th most in 153 years. Normal for this point: 108. Record: 135 in 1907.

Share Card

A ready-to-share summary of Bismarck's outlook — post it, or link this page.
Bismarck, ND cold share card
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part of Weather Trader · supported by Substack Subscribers · data: NWS NDFD forecast + NOAA/ACIS ThreadEx records · updated 2026-07-13T14:03:07Z
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