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Driest Since
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DRIESTSINCE
Iowa · precipitation record 1889–2026

Sioux City, IA

2026
NEAR NORMAL PRECIPITATION
16.8in
year to date · normal 18.34"
📖 Sioux City's full Precipitation Almanac →

Accumulation

TODAY
0.0in
no rain yet of 137 yrs
MONTH TO DATE
3.7in
28th wettest of 138 yrs
172% of normal
LAST 90 DAYS
8.6in
45th driest of 138 yrs
87% of normal
YEAR TO DATE
16.8in
41st driest of 137 yrs
92% of normal

Extremes & Streaks

Biggest Day on Record

5.5in
on Jul 17, 1972 · in 138 years

Dry Streak

3days
current run under 0.01" · longest ever 56 days (to Nov 16, 1952)

Wet Streak

0days
consecutive days with rain · longest ever 12 days

Year to Date vs Normal

92%
16.8" of a normal 18.34" · wettest 33.37" (2014) · driest 11.2" (1910)

Wettest & Driest Years

The extremes of a 136-year record (1890–2025) — full calendar-year totals. The long-run average is 26.22" a year.

Wettest Years on Record

1201441.36in
2190341.1in
3200739.58in
4201837.77in
5201535.14in

Driest Years on Record

1197614.33in
2195514.72in
3202215.34in
4191016.85in
5193916.96in

Rainfall by Month

The seasonal rhythm — each month's normal precipitation, with this year's totals in blue. Where the blue bar clears the band, the month ran wetter than usual.
J
F
M
A
M
J
J
A
S
O
N
D
Normal (median)This year
Normally wettest in Jun (~3.69") and driest in Jan (~0.5"). Wettest calendar month ever: Jun 2014, 16.65".

This Day in History · Rainfall

Every year's rainfall on each of the next 7 dates at Sioux City — toggle a day below. The tallest bar (ringed) is the wettest on record for that date.

Wettest Aug 24 ever

1.06in
set in 1900

Rain on Aug 24

24%
of 137 years had measurable rain
1889: 0.00″1890: 0.81″1891: 0.11″1892: 0.03″1893: 0.00″1894: 0.00″1895: 0.00″1896: 0.00″1897: 0.00″1898: 0.00″1899: 0.00″1900: 1.06″1901: 0.00″1902: 0.01″1903: 0.00″1904: 0.00″1905: 0.00″1906: 0.58″1907: 0.00″1908: 0.00″1909: 0.00″1910: 0.00″1911: 0.05″1912: 0.00″1913: 0.00″1914: 0.00″1915: 0.00″1916: 0.00″1917: 0.00″1918: 0.00″1919: 0.00″1920: 0.01″1921: 0.00″1922: 0.00″1923: 0.00″1924: 0.00″1925: 0.00″1926: 0.00″1927: 0.00″1928: 0.00″1929: 0.00″1930: 0.00″1931: 0.01″1932: 0.00″1933: 0.00″1934: 0.00″1935: 0.00″1936: 0.00″1937: 0.00″1938: 0.00″1939: 0.00″1940: 0.00″1941: 0.04″1942: 0.00″1943: 0.48″1944: 0.06″1945: 0.00″1946: 0.00″1947: 0.16″1948: 0.00″1949: 0.00″1950: 0.00″1951: 0.21″1952: 0.00″1953: 0.00″1954: 0.00″1955: 0.00″1956: 0.00″1957: 0.00″1958: 0.00″1959: 0.00″1960: 0.00″1961: 0.00″1962: 0.02″1963: 0.00″1964: 0.00″1965: 0.07″1966: 0.00″1967: 0.00″1968: 0.00″1969: 0.00″1970: 0.00″1971: 0.00″1972: 0.00″1973: 0.00″1974: 0.00″1975: 0.19″1976: 0.00″1977: 0.00″1978: 0.00″1979: 0.00″1980: 0.01″1981: 0.11″1982: 0.76″1983: 0.00″1984: 0.00″1985: 0.00″1986: 0.00″1987: 0.11″1988: 0.00″1989: 0.00″1990: 0.63″1991: 0.00″1992: 0.70″1993: 0.00″1994: 0.14″1995: 0.00″1996: 0.00″1997: 0.00″1998: 0.05″1999: 0.00″2000: 0.00″2001: 0.01″2002: 0.00″2003: 0.00″2004: 0.00″2005: 0.00″2006: 0.00″2007: 0.00″2008: 0.00″2009: 0.91″2010: 0.00″2011: 0.00″2012: 0.02″2013: 0.28″2014: 0.11″2015: 0.00″2016: 0.00″2017: 0.05″2018: 0.01″2019: 0.00″2020: 0.00″2021: 0.00″2022: 0.23″2023: 0.00″2024: 0.00″2025: 0.00″0″1″2″18901900191019201930194019501960197019801990200020102020

This Year's Rainfall

Sioux City's cumulative rainfall so far this year against its own record — the normal accumulation, and the wettest & driest years to date. The bright line is the running total; where it rides the band tells the story at a glance.
Sioux City, IA — cumulative rainfall this year vs the record
Download year chart

Rainfall Calendar

Sioux City's entire daily record as one heatmap — each row a year, each cell a day, shaded by that day's rainfall. Dry spells read as dark blocks, wet seasons as brighter bands; the whole climate at a glance.
Sioux City, IA — daily rainfall every day on record
Download calendar

Drought History

Every week of the U.S. Drought Monitor for Sioux City's county since 2000, coloured by intensity — dry spells and multi-year droughts read as warm bands.
Sioux City, IA — county drought history since 2000
Download drought history

Sun & Location

Sun & Daylight Today

Sunrise5:42 AM
Sunset7:13 PM
Solar noon12:28 PM
Daylight13h 31m
Local standard time (no DST), level horizon.

Location

42.39°N, 96.38°W

Nearby Stations

Norfolk, NE61 mi WOmaha, NE78 mi SESpencer, IA79 mi NESioux Falls, SD84 mi NLincoln, NE108 mi SMitchell, SD126 mi NW

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