Poplar Bluff, MO

Missouri · Records since 1893–2026

🌙 76°F Feels like 81°
Currently in Poplar Bluff
As of 3:45 AM CDT

Records for August 11

🔥 Record High

105°F

August 11, 1941

+16° from 89° normal

❄ Record Low

52°F

August 11, 1917

-16° from 68° normal
🌞 Normal high: 89°F 🌑 Normal low: 68°F 1991–2020 normals

All-Time Records — Poplar Bluff

🔥
112°F
Hottest Day Ever
Aug 9, 1930
-25°F
Coldest Day Ever
Feb 13, 1899
🌧
6.60"
Wettest Day Ever
Mar 28, 1977
20.0"
Most Snow in One Day
Jan 17, 1978

Top 10 Record Highs — August 11

# Temp Date
🏆 105°F August 11, 1941
2 102°F August 11, 1918
3 100°F August 11, 1980
4 100°F August 11, 1954
5 100°F August 11, 1935
6 99°F August 11, 1944
7 99°F August 11, 1901
8 98°F August 11, 2010
9 98°F August 11, 1936
10 98°F August 11, 1934

Top 5 Record Lows — August 11

# Temp Date
🥶 52°F August 11, 1917
2 53°F August 11, 1967
3 57°F August 11, 1976
4 57°F August 11, 1953
5 58°F August 11, 1990
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 1893–2026. Climate normals represent the 1991–2020 average.

Heat Wave Summary — Poplar Bluff

threshold: 97°F (90th percentile of historical Jun–Aug highs)
4.8
Avg heat wave length
days (historical)
102°
Avg peak temp
during heat waves
42
Dangerous nights 2026
Overnights ≥ 70°F
0
Heat waves 2026
so far

2026 Daily High Temperature vs Normal

Year to date
Above normal Below normal

119 of 221 days with data were above the 1991–2020 normal high for their date.


Days ≥ 90°F Per Year

1893–2026
24
2026 so far
56
Avg/year 1970–2025
50
Avg/year (last 10 complete)
103
Most in a year (1953)

Average Daily High by Decade

Full year · complete decades only


Longest Heat Waves — Poplar Bluff

# Dates Days Peak Avg High Avg Overnight Low
🏆 Jul 10, 1901 – Aug 3, 1901 25 112°F (Jul 12) 104°F 68°F
2 Aug 9, 1936 – Aug 23, 1936 15 107°F (Aug 18) 101°F 71°F
3 Jul 29, 1947 – Aug 10, 1947 13 105°F (Aug 6) 101°F 70°F
4 Aug 1, 1934 – Aug 12, 1934 12 109°F (Aug 7) 103°F 74°F
5 Jul 16, 1934 – Jul 26, 1934 11 106°F (Jul 23) 102°F 72°F
6 Jul 8, 1969 – Jul 18, 1969 11 104°F (Jul 14) 99°F 73°F
7 Jul 31, 1930 – Aug 9, 1930 10 112°F (Aug 9) 103°F 66°F
8 Jul 2, 1990 – Jul 11, 1990 10 104°F (Jul 10) 100°F 73°F
9 Jul 13, 1932 – Jul 22, 1932 10 103°F (Jul 16) 100°F 71°F
10 Sep 2, 1925 – Sep 10, 1925 9 108°F (Sep 7) 104°F 65°F

Heat Waves Per Year


Warm Summer Nights (Jun–Aug)

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

38
2026 so far
above-normal nights
43.1
Avg / summer
1970–2020
77
Most in a summer
2010

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

22.75"
2026 YTD
Normal: 31.36"
-8.61"
0.14"
August so far
August normal: 3.44"
-3.30"
9.56"
Summer so far
Summer normal: 10.92"
-1.36"
5
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")

Month in Review — July 2026

80.4°F

Average temperature · July 2026

65th-warmest month on record

43rd-warmest July of 111 on record

+0.4° vs. 79.9° average (1991–2020)
85.1°F
Warmest month ever
July 1901
85.1°F
Warmest July ever
1901
16
Days ≥ 90°F
in July
98°F
Hottest of 2026
Jul 21

Longest 90°F Streak in July

5 consecutive days with highs of at least 90°F (Jul 17–21, 2026, peaking at 98°F)

The longest July streak since 2025 (1 year). The July record is 28 days, set in 1942.


Average July Temperature by Year

1894–2026 · 2026 highlighted


Warmest Julys on Record

# Year Avg Temp
1 1901 85.1°F
2 2011 84.3°F
3 1993 84.2°F
4 2012 84.0°F
5 1934 83.9°F
6 1921 83.8°F
7 1986 83.7°F
8 1983 83.3°F
9 1969 83.2°F
10 1954 83.2°F

Warmest Months on Record (Any Month)

# Month Avg Temp
1 July 1901 85.1°F
2 July 2011 84.3°F
3 July 1993 84.2°F
4 July 2012 84.0°F
5 July 1934 83.9°F
6 July 1921 83.8°F
7 July 1986 83.7°F
8 August 1947 83.7°F
9 August 1936 83.5°F
10 July 1983 83.3°F

Nearby Stations — July 2026

How the same month ranked at the closest reporting stations

Station Avg Temp July Rank
Poplar Bluff, MO 80.4°F 43rd of 111
Jonesboro, AR 82.3°F 33rd of 122
Carbondale, IL 79.1°F 43rd of 119
Paducah, KY 79.6°F 35th of 88
Memphis, TN 84.4°F 19th of 152
About this data. Monthly averages are the mean of daily average temperatures, computed from NOAA Threadex records via RCC ACIS. Months missing more than three days of observations are excluded from the rankings, so the in-progress month never appears. Rankings cover 1286 complete months on record.