Illinois · THREADEX · 1883–2026

Peoria, IL

40.667°N, 89.684°W · station PIAthr · 144 years of record
94°F
forecast high · Jul 15

7-Day Forecast

NWS NDFD forecast high temperature for Peoria.
90°MON7/1393°TUE7/1494°WED7/1594°THU7/1692°FRI7/1791°SAT7/1889°SUN7/19

This Day in History · Jul 15

Today ranks

#14 / 143
warmest Jul 15 in 143 yrs of record

Hottest Jul 15 ever

110°F
set in 1936

Coolest Jul 15 ever

70°F
set in 2014

Hottest Jul 15 — Year by Year

Every year's high on Jul 15 at Peoria. The forecast line shows where today lands; the ringed bar is the hottest on record.
70901101883: 84°F1884: 83°F1885: 92°F1886: 86°F1887: 99°F1888: 75°F1889: 78°F1890: 92°F1891: 80°F1892: 90°F1893: 94°F1894: 96°F1895: 93°F1896: 99°F1897: 86°F1898: 94°F1899: 86°F1900: 95°F1901: 94°F1902: 88°F1903: 84°F1904: 92°F1905: 91°F1906: 82°F1907: 86°F1908: 84°F1909: 84°F1910: 76°F1911: 93°F1912: 93°F1913: 93°F1914: 92°F1915: 91°F1916: 94°F1917: 84°F1918: 81°F1919: 84°F1920: 83°F1921: 89°F1922: 87°F1923: 90°F1924: 79°F1925: 92°F1926: 81°F1927: 87°F1928: 81°F1929: 74°F1930: 80°F1931: 98°F1932: 96°F1933: 85°F1934: 96°F1935: 84°F1936: 110°F1937: 88°F1938: 84°F1939: 72°F1940: 87°F1941: 92°F1942: 86°F1943: 88°F1944: 88°F1945: 80°F1946: 77°F1947: 82°F1948: 74°F1949: 83°F1950: 87°F1951: 88°F1952: 82°F1953: 89°F1954: 85°F1955: 86°F1956: 84°F1957: 89°F1958: 78°F1959: 90°F1960: 75°F1961: 84°F1962: 80°F1963: 88°F1964: 85°F1965: 81°F1966: 85°F1967: 81°F1968: 88°F1969: 85°F1970: 82°F1971: 84°F1972: 87°F1973: 82°F1974: 86°F1975: 87°F1976: 98°F1977: 99°F1978: 87°F1979: 85°F1980: 99°F1981: 86°F1982: 88°F1983: 91°F1984: 90°F1985: 82°F1986: 91°F1987: 79°F1988: 92°F1989: 75°F1990: 72°F1991: 85°F1992: 76°F1993: 76°F1994: 86°F1995: 95°F1996: 71°F1997: 90°F1998: 84°F1999: 89°F2000: 87°F2001: 86°F2002: 88°F2003: 87°F2004: 81°F2005: 92°F2006: 95°F2007: 83°F2008: 87°F2009: 87°F2010: 91°F2011: 87°F2012: 90°F2013: 91°F2014: 70°F2015: 83°F2016: 88°F2017: 82°F2018: 88°F2019: 86°F2020: 87°F2021: 84°F2022: 80°F2023: 86°F2024: 91°F2025: 91°F94° forecast188319362025

The Numbers

Forecast high · Jul 1594°F
Hottest this date since2006
This-date record110°F
This-date rank#14 of 143
Hottest at any time since2025
All-time record113°F (1936)
Odds to tie/break0.0% (daily)
Period of record1883–2026

Record Book

The hottest and coldest ever recorded at Peoria in each calendar month, and for the whole 1883–2026 record — with the year each was set.
MonthRecord HighRecord Low
Jan71°F1909-27°F1884
Feb78°F2024-26°F1905
Mar87°F1907-10°F1943
Apr92°F189414°F1920
May104°F193425°F1966
Jun105°F193439°F1945
Jul113°F193646°F1911
Aug106°F193641°F1910
Sep104°F189926°F1899
Oct93°F20067°F1925
Nov81°F1888-2°F1977
Dec71°F1970-24°F1924
All-time113°F1936-27°F1884

2026 Records So Far

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

Record Highs in 2026

6 broke
plus 2 tied — daily record highs set this year
Monthly high record this year: Mar (87°F)

Record Lows in 2026

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

Hot Streaks

Current run

0 days
consecutive days with a high ≥ 90°F

Longest ever

21 days
record run, ended Jul 31 1916

So far in 2026

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

Climate Normals

Normal high & low by month, from Peoria's own 1991–2020 record. Today's normal high: 86°F · forecast is +8° vs normal.
Jan: 33°FJan: 17°FFeb: 38°FFeb: 21°FMar: 51°FMar: 31°FApr: 63°FApr: 42°FMay: 74°FMay: 53°FJun: 83°FJun: 62°FJul: 86°FJul: 66°FAug: 84°FAug: 64°FSep: 78°FSep: 56°FOct: 65°FOct: 44°FNov: 50°FNov: 33°FDec: 38°FDec: 23°FJFMAMJJASOND

Sun & Location

Sun & Daylight Today

Sunrise4:39 AM
Sunset7:30 PM
Solar noon12:04 PM
Daylight14h 51m · losing 8 min/wk
Local standard time (no DST), level horizon.

Location

40.67°N, 89.68°W

Nearby Stations

Springfield, IL56 mi SMoline, IL69 mi NWBurlington, IA75 mi WQuincy, IL94 mi SWRockford, IL109 mi NChicago, IL127 mi NE

The Last 6 Weeks

Peoria'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.
Peoria, IL — last six weeks of daily high

2026 So Far

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

Every Day Since 1883

Each cell is one day's high at Peoria, coloured by temperature — 144 years of record, so heat waves read as warm streaks and cold snaps as blue.
Peoria, IL daily high heat map 1883–2026

Days Above the Mark

How many days a year hit a given high at Peoria — counted through Jul 15 each year, so you can see whether 2026 is running hot. Pick a threshold:
6 days ≥90°F so far in 2026 — tied for the 104th most in 144 years. Normal for this point: 12. Record: 36 in 1934.

Share Card

A ready-to-share summary of Peoria's outlook — post it, or link this page.
Peoria, IL hot share card
Download card
See Peoria on coldestsince.com →
Hottest Since · Browse all states · See where it's coldest → coldestsince.com
part of Weather Trader · supported by Substack Subscribers · data: NWS NDFD forecast + NOAA/ACIS ThreadEx records · updated 2026-07-13T12:58:10Z
© 2026 Weather Trader · All rights reserved