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Iowa · THREADEX · 1897–2026

Burlington, IA

40.773°N, 91.126°W · station BRLthr · 130 years of record
97°F
forecast high · Sep 1

7-Day Forecast

NWS NDFD forecast high temperature for Burlington.
97°TUE9/195°WED9/293°THU9/393°FRI9/494°SAT9/590°SUN9/687°MON9/7

This Day in History

Every year's high on each of the next 7 forecast dates at Burlington — toggle a day below. The forecast line shows where it lands; the ringed bar is the hottest on record.

Ranks

#4 / 126
warmest Sep 1 in 126 yrs of record

Warmest Sep 1 ever

99°F
set in 1953

Coolest Sep 1 ever

66°F
set in 1974
Forecast high 97°F — 4th warmest Sep 1 of 126 years · record 99°F (1953) · warmest since 2011.
1899: 94°F1901: 82°F1902: 75°F1903: 79°F1904: 83°F1905: 93°F1906: 84°F1907: 97°F1908: 91°F1909: 90°F1910: 74°F1911: 87°F1912: 93°F1913: 95°F1914: 85°F1915: 74°F1916: 88°F1917: 83°F1918: 85°F1919: 85°F1920: 85°F1921: 88°F1922: 98°F1923: 82°F1924: 85°F1925: 90°F1926: 88°F1927: 91°F1928: 72°F1929: 89°F1930: 95°F1931: 79°F1932: 83°F1933: 91°F1934: 85°F1935: 67°F1936: 92°F1937: 95°F1938: 83°F1939: 89°F1940: 74°F1941: 87°F1942: 91°F1943: 82°F1944: 76°F1945: 88°F1946: 72°F1947: 90°F1948: 83°F1949: 73°F1950: 82°F1951: 70°F1952: 92°F1953: 99°F1954: 82°F1955: 76°F1956: 80°F1957: 86°F1958: 73°F1959: 77°F1960: 95°F1961: 86°F1962: 81°F1963: 76°F1964: 84°F1965: 74°F1966: 88°F1967: 70°F1968: 74°F1969: 76°F1970: 83°F1971: 90°F1972: 87°F1973: 90°F1974: 66°F1975: 90°F1976: 86°F1977: 83°F1978: 82°F1979: 81°F1980: 84°F1981: 73°F1982: 88°F1983: 85°F1984: 84°F1985: 87°F1986: 83°F1987: 79°F1988: 83°F1989: 82°F1990: 90°F1991: 80°F1992: 76°F1993: 78°F1994: 73°F1995: 84°F1996: 83°F1997: 86°F1998: 84°F1999: 92°F2000: 97°F2001: 76°F2002: 86°F2003: 67°F2004: 84°F2005: 85°F2006: 77°F2007: 83°F2008: 86°F2009: 74°F2010: 80°F2011: 99°F2012: 83°F2013: 89°F2014: 81°F2015: 92°F2016: 83°F2017: 72°F2018: 89°F2019: 76°F2020: 80°F2021: 81°F2022: 84°F2023: 81°F2024: 81°F2025: 80°F97° forecast65707580859095100191019201930194019501960197019801990200020102020
📖 Burlington's full Climate Almanac →

The Numbers

Forecast high · Sep 197°F
Hottest this date since2011
This-date record99°F
This-date rank#4 of 126
Hottest at any time since2018
All-time record111°F (1936)
Odds to tie/break0.0% (daily)
Period of record1897–2026

Record Book

The hottest and coldest ever recorded at Burlington in each calendar month, and for the whole 1897–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan70°FJan 31, 1989-24°FJan 14, 1957
Feb77°FFeb 27, 2024-27°FFeb 13, 1905
Mar88°FMar 22, 1907-13°FMar 5, 1960
Apr93°FApr 10, 193011°FApr 6, 1982
May103°FMay 31, 193426°FMay 4, 1907
Jun105°FJun 27, 193439°FJun 8, 1913
Jul111°FJul 14, 193646°FJul 30, 1971
Aug110°FAug 8, 193441°FAug 20, 1950
Sep103°FSep 5, 189923°FSep 30, 1899
Oct95°FOct 13, 189910°FOct 30, 1925
Nov86°FNov 17, 1899-2°FNov 26, 1898
Dec73°FDec 4, 1998-22°FDec 23, 1989
All-time111°FJul 14, 1936-27°FFeb 13, 1905

2026 Records So Far

Records set or tied at Burlington so far this year — through Aug 30.

Record Highs in 2026

4 broke
plus 2 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

84°F
record high minimum — the night it never cooled · Jul 27, 1936

Coldest high ever

-10°F
record low maximum — the day it never warmed · Dec 24, 1983
MonthWarmest lowColdest high
Jan51°FJan 21, 1921-9°FJan 18, 1994
Feb53°FFeb 22, 1922-10°FFeb 3, 1996
Mar65°FMar 20, 19216°FMar 2, 2014
Apr67°FApr 18, 200228°FApr 1, 2018
May74°FMay 27, 190039°FMay 5, 1944
Jun80°FJun 29, 193450°FJun 3, 1945
Jul84°FJul 27, 193664°FJul 6, 1909
Aug81°FAug 4, 193058°FAug 26, 1944
Sep76°FSep 6, 192545°FSep 25, 1942
Oct74°FOct 15, 189730°FOct 29, 1925
Nov63°FNov 12, 190210°FNov 24, 1950
Dec60°FDec 3, 1998-10°FDec 24, 1983
All-time84°FJul 27, 1936-10°FDec 24, 1983

Hot Streaks

Current run

1 days
consecutive days with a high ≥ 90°F

Longest ever

22 days
record run, ended Aug 1 1916

So far in 2026

13 days
days with a high ≥ 90°F this year

Climate Normals

Normal high & low by month, from Burlington's own 1991–2020 record. Today's normal high: 83°F · forecast is +14° vs normal.
Jan: 33°FJan: 16°FFeb: 38°FFeb: 21°FMar: 51°FMar: 31°FApr: 63°FApr: 42°FMay: 74°FMay: 53°FJun: 83°FJun: 63°FJul: 86°FJul: 66°FAug: 84°FAug: 64°FSep: 78°FSep: 56°FOct: 65°FOct: 44°FNov: 50°FNov: 32°FDec: 38°FDec: 22°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise5:31 AM
Sunset6:37 PM
Solar noon12:04 PM
Daylight13h 06m · losing 18 min/wk
Local standard time (no DST), level horizon.

Location

40.77°N, 91.13°W

Nearby Stations

Moline, IL56 mi NEQuincy, IL57 mi SPeoria, IL75 mi ECedar Rapids, IA82 mi NWSpringfield, IL99 mi SEDubuque, IA114 mi N

The Last 6 Weeks

Burlington'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.
Burlington, IA — last six weeks of daily high

2026 So Far

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

Every Day Since 1897

Each cell is one day's high at Burlington, coloured by temperature — 130 years of record, so heat waves read as warm streaks and cold snaps as blue.
Burlington, IA daily high heat map 1897–2026

Days Above the Mark

How many days a year hit a given high at Burlington — counted through Sep 1 each year, so you can see whether 2026 is running hot. Pick a threshold:
13 days ≥90°F so far in 2026 — tied for the 101st most in 130 years. Normal for this point: 24. Record: 69 in 1934.

Share Card

A ready-to-share summary of Burlington's outlook — post it, or link this page.
Burlington, IA hot share card
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