Huron, SD

South Dakota · Records since 1881–2026

⛅ 90°F
Currently in Huron
As of 7:00 PM CDT

Records for July 28

🔥 Record High

109°F

July 28, 1975

+23° from 86° normal

❄ Record Low

41°F

July 28, 2013

-21° from 62° normal
🌞 Normal high: 86°F 🌑 Normal low: 62°F 1991–2020 normals

All-Time Records — Huron

🔥
112°F
Hottest Day Ever
Jul 10, 1966
-43°F
Coldest Day Ever
Jan 12, 1912
🌧
5.31"
Wettest Day Ever
Jun 18, 1967
19.0"
Most Snow in One Day
Mar 14, 2002

Top 10 Record Highs — July 28

# Temp Date
🏆 109°F July 28, 1975
2 106°F July 28, 2021
3 106°F July 28, 2006
4 104°F July 28, 1917
5 103°F July 28, 1960
6 103°F July 28, 1890
7 101°F July 28, 1999
8 100°F July 28, 1941
9 100°F July 28, 1935
10 100°F July 28, 1933

Top 5 Record Lows — July 28

# Temp Date
🥶 41°F July 28, 2013
2 47°F July 28, 1971
3 47°F July 28, 1883
4 48°F July 28, 2014
5 48°F July 28, 1944
About this data — Records are sourced from the NOAA Threadex dataset via RCC ACIS, a quality-controlled record for long-term climate stations. Threadex adjusts for station relocations and observation-time changes, making records comparable across all years since 1881–2026. Climate normals represent the 1991–2020 average.
2
days
Hot Streak
2 consecutive days at or above 94°F · since July 25
1 more day to heat wave status

Heat Wave Summary — Huron

threshold: 94°F (90th percentile of historical Jun–Aug highs)
4.2
Avg heat wave length
days (historical)
102°
Avg peak temp
during heat waves
5
Dangerous nights 2026
Overnights ≥ 70°F
1
Heat waves 2026
so far

2026 Daily High Temperature vs Normal

Year to date
Above normal Below normal

121 of 207 days with data were above the 1991–2020 normal high for their date.


Days ≥ 90°F Per Year

1881–2026
22
2026 so far
27
Avg/year 1970–2025
25
Avg/year (last 10 complete)
56
Most in a year (1931)

Average Daily High by Decade

Full year · complete decades only


Longest Heat Waves — Huron

# Dates Days Peak Avg High Avg Overnight Low
🏆 Jul 2, 1936 – Jul 19, 1936 18 110°F (Jul 17) 103°F 72°F
2 Jul 5, 1974 – Jul 17, 1974 13 106°F (Jul 13) 99°F 68°F
3 Jul 31, 1941 – Aug 10, 1941 11 104°F (Aug 3) 99°F 71°F
4 Jul 19, 1960 – Jul 29, 1960 11 103°F (Jul 21) 98°F 65°F
5 Jul 14, 1964 – Jul 23, 1964 10 108°F (Jul 23) 101°F 69°F
6 Jun 28, 1975 – Jul 7, 1975 10 101°F (Jul 4) 97°F 68°F
7 Jul 25, 1987 – Aug 2, 1987 9 101°F (Jul 31) 98°F 70°F
8 Jul 17, 1934 – Jul 24, 1934 8 111°F (Jul 20) 104°F 74°F
9 Jul 28, 1955 – Aug 4, 1955 8 105°F (Jul 31) 101°F 72°F
10 Aug 17, 1976 – Aug 24, 1976 8 103°F (Aug 21) 100°F 69°F

Heat Waves Per Year


Warm Summer Nights (Jun–Aug)

Nights where the overnight low exceeded the 1991–2020 normal low

34
2026 so far
above-normal nights
43.3
Avg / summer
1970–2020
65
Most in a summer
1936

Above-Normal Summer Nights Per Year

Average June–August Low by Decade

Overnight lows · complete decades only

Precipitation

Actual vs. 1991–2020 full-month and full-season normals

12.14"
2026 YTD
Normal: 14.39"
-2.25"
2.38"
July so far
July normal: 2.83"
-0.45"
6.93"
Summer so far
Summer normal: 9.31"
-2.38"
4
2026 heavy rain days
Days with ≥ 1.0"

Monthly Precipitation — Last 24 Months

Blue = actual · dashed line = monthly normal

Annual Precipitation Per Year (1970–2026)

Blue = above average · tan = below average · gold = 2026 (partial)

Heavy Rain Days Per Year (≥ 1.0")

Compare year-to-year changes in days with heavy rainfall (≥ 1.0")