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WETTESTSINCE
South Dakota · precipitation record 1942–2026

Rapid City, SD

THIS YEAR · 2026
DRIEST THIS YEAR SINCE 2017
9.59in
13th driest of 84 years · normal 12.84"
📖 Rapid City's full Precipitation Almanac →

Accumulation

TODAY
0.0in
no rain yet of 84 yrs
MONTH TO DATE
2.14in
17th wettest of 85 yrs
183% of normal
LAST 90 DAYS
5.15in
22nd driest of 84 yrs
74% of normal
YEAR TO DATE
9.59in
13th driest of 84 yrs
75% of normal

Extremes & Streaks

Biggest Day on Record

3.78in
on Jun 15, 1963 · in 85 years

Dry Streak

0days
current run under 0.01" · longest ever 49 days (to Dec 20, 2004)

Wet Streak

2days
consecutive days with rain · longest ever 10 days

Year to Date vs Normal

75%
9.59" of a normal 12.84" · wettest 22.65" (2019) · driest 6.0" (1994)

Wettest & Driest Years

The extremes of a 83-year record (1943–2025) — full calendar-year totals. The long-run average is 16.78" a year.

Wettest Years on Record

1201928.43in
2194627.7in
3198225.97in
4201825.66in
5201525.25in

Driest Years on Record

119749.12in
219619.98in
3200210.27in
4199410.5in
5198810.92in

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 (~2.89") and driest in Jan (~0.29"). Wettest calendar month ever: May 1996, 8.18".

This Day in History · Rainfall

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

Wettest Aug 24 ever

0.86in
set in 2007

Rain on Aug 24

15%
of 84 years had measurable rain
1942: 0.00″1943: 0.00″1944: 0.00″1945: 0.00″1946: 0.00″1947: 0.00″1948: 0.00″1949: 0.00″1950: 0.00″1951: 0.44″1952: 0.06″1953: 0.00″1954: 0.00″1955: 0.00″1956: 0.00″1957: 0.00″1958: 0.00″1959: 0.02″1960: 0.18″1961: 0.00″1962: 0.00″1963: 0.00″1964: 0.00″1965: 0.00″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: 0.00″1976: 0.02″1977: 0.01″1978: 0.00″1979: 0.00″1980: 0.00″1981: 0.00″1982: 0.01″1983: 0.13″1984: 0.00″1985: 0.00″1986: 0.00″1987: 0.00″1988: 0.00″1989: 0.55″1990: 0.00″1991: 0.00″1992: 0.05″1993: 0.00″1994: 0.00″1995: 0.00″1996: 0.00″1997: 0.26″1998: 0.00″1999: 0.00″2000: 0.00″2001: 0.00″2002: 0.00″2003: 0.00″2004: 0.00″2005: 0.00″2006: 0.00″2007: 0.86″2008: 0.00″2009: 0.00″2010: 0.00″2011: 0.00″2012: 0.00″2013: 0.00″2014: 0.00″2015: 0.00″2016: 0.00″2017: 0.00″2018: 0.00″2019: 0.00″2020: 0.00″2021: 0.00″2022: 0.04″2023: 0.00″2024: 0.00″2025: 0.00″0″1″19501960197019801990200020102020

This Year's Rainfall

Rapid 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.
Rapid City, SD — cumulative rainfall this year vs the record
Download year chart

Rainfall Calendar

Rapid 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.
Rapid City, SD — daily rainfall every day on record
Download calendar

Sun & Location

Sun & Daylight Today

Sunrise5:07 AM
Sunset6:41 PM
Solar noon11:54 AM
Daylight13h 34m
Local standard time (no DST), level horizon.

Location

44.05°N, 103.05°W

Nearby Stations

Valentine, NE149 mi SEScottsbluff, NE152 mi SMobridge, SD166 mi NECasper, WY188 mi WSheridan, WY199 mi WCheyenne, WY218 mi SW

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