Shreveport, LA

Louisiana · Records since 1874–2026

🌤️ 94°F Feels like 106°
Currently in Shreveport
As of 1:30 PM CDT
🔥 6° below today's record of 100°F

Records for September 11

🔥 Record High

100°F

September 11, 2010

+9° from 91° normal

❄ Record Low

49°F

September 11, 1976

-20° from 69° normal
🌞 Normal high: 91°F 🌑 Normal low: 69°F 1991–2020 normals

All-Time Records — Shreveport

🔥
110°F
Hottest Day Ever
Aug 26, 2023
❄
-5°F
Coldest Day Ever
Feb 12, 1899
🌧
12.05"
Wettest Day Ever
Jul 24, 1933
☃
10.8"
Most Snow in One Day
Dec 21, 1929

First & Last Dates — Shreveport

How early and how late each seasonal turning point has ever arrived, across the full period of record

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Range ever recorded Normal date (1991–2020)
317 days
Longest growing season
1933
190 days
Shortest growing season
1989
259 days
Normal growing season
1991–2020 average

Top 10 Record Highs — September 11

# Temp Date
🏆 100°F September 11, 2010
2 100°F September 11, 1980
3 100°F September 11, 1887
4 99°F September 11, 2011
5 98°F September 11, 2000
6 97°F September 11, 2025
7 97°F September 11, 1947
8 97°F September 11, 1927
9 97°F September 11, 1895
10 96°F September 11, 2019

Top 5 Record Lows — September 11

# Temp Date
🥶 49°F September 11, 1976
2 55°F September 11, 1907
3 56°F September 11, 1981
4 58°F September 11, 1948
5 58°F September 11, 1940
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 1874–2026. Climate normals represent the 1991–2020 average.

Heat Wave Summary — Shreveport

threshold: 99°F (90th percentile of historical Jun–Aug highs)
5.4
Avg heat wave length
days (historical)
103°
Avg peak temp
during heat waves
108
Dangerous nights 2026
Overnights ≥ 70°F
1
Heat waves 2026
so far

Days ≥ 90°F Per Year

1874–2026
88
2026 so far
92
Avg/year 1970–2025
115
Avg/year (last 10 complete)
136
Most in a year (2025)

Average Daily High by Decade

Full year · complete decades only

Longest Heat Waves — Shreveport

# Dates Days Peak Avg High Avg Overnight Low
🏆 Jul 2, 1978 – Jul 20, 1978 19 102°F (Jul 3) 100°F 73°F
2 Jul 18, 1998 – Aug 3, 1998 17 108°F (Aug 2) 102°F 77°F
3 Aug 3, 1956 – Aug 18, 1956 16 103°F (Aug 16) 101°F 75°F
4 Aug 14, 2011 – Aug 28, 2011 15 109°F (Aug 17) 105°F 78°F
5 Jul 30, 2011 – Aug 12, 2011 14 109°F (Aug 3) 105°F 80°F
6 Jul 25, 2023 – Aug 7, 2023 14 106°F (Aug 2) 102°F 77°F
7 Aug 9, 1881 – Aug 22, 1881 14 105°F (Aug 15) 102°F 76°F
8 Jul 6, 1980 – Jul 18, 1980 13 106°F (Jul 17) 102°F 76°F
9 Aug 10, 1954 – Aug 22, 1954 13 103°F (Aug 11) 101°F 73°F
10 Aug 25, 2000 – Sep 5, 2000 12 109°F (Aug 31) 105°F 73°F

Heat Waves Per Year

Warm Summer Nights (Jun–Aug)

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

73
2026 total
above-normal nights
37.6
Avg / summer
1970–2020
80
Most in a summer
2010

Above-Normal Summer Nights Per Year

Average June–August Low by Decade

Overnight lows · complete decades only

Precipitation

Annual totals and trend across the full period of record · see this year's standing →

Monthly Precipitation — Last 24 Months

Blue = actual · dashed line = monthly normal

Annual Precipitation Per Year (1871–2026)

Blue = above average · tan = below average · gold = 2026 (partial)
Since 1871, annual totals have trended +0.58" per decade, about +9.0" across the record.

Heavy Rain Days Per Year (≥ 1.0")

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

This Year — 2026

How Shreveport is tracking against normal, year to date

Daily High Temperature vs Normal

Above normal Below normal

157 of 253 days with data were above the 1991–2020 normal high for their date.

Precipitation, Year to Date

31.62"
2026 YTD
Normal: 35.45"
-3.83"
0.34"
September so far
September normal: 3.46"
-3.12"
11
2026 heavy rain days
Days with ≥ 1.0"

Accumulation vs. Normal

Running total since Jan 1 against the normal pace for the same date · Shreveport is 3.83" behind the normal pace

Period Review — Sep 3 – Sep 10, 2026

Any window, evaluated against every other year on record — 8 days

Quick picks: Last 7 days Last 30 days Last 90 days This month
Seasons: Spring (Mar–May) Summer (Jun–Aug) Fall (Sep–Nov)
85.6°F
Average temperature
8th-warmest of 153
+4.9°
vs. average
Normal: 80.8°F (1991–2020)
0.28"
Precipitation
77th-wettest of 155
-0.29"
vs. average
Normal: 0.57" · 49% of normal

Average Temperature by Year — Sep 3 – Sep 10

1874–2026 · 2026 highlighted · trend +0.06° per decade (warming since 1874)

Precipitation by Year — Sep 3 – Sep 10

1872–2026 · 2026 highlighted · trend -0.03" per decade (drier since 1872)

Warmest Sep 3 – Sep 10 on Record

# Year Avg Temp
1 1925 88.7°F
2 1947 86.9°F
3 2023 86.5°F
4 1970 86.1°F
5 2013 85.9°F
6 1936 85.9°F
7 2019 85.8°F
8 2026 85.6°F
9 1939 85.6°F
10 1881 85.4°F

Coolest Sep 3 – Sep 10 on Record

# Year Avg Temp
1 1974 70.2°F
2 1891 70.7°F
3 1967 72.2°F
4 1880 72.3°F
5 1918 72.5°F
6 1950 72.9°F
7 1988 73.2°F
8 1934 73.9°F
9 1968 73.9°F
10 2017 74.4°F

Wettest Sep 3 – Sep 10 on Record

# Year Total
1 1877 9.52"
2 1923 6.14"
3 1885 4.91"
4 1880 4.35"
5 1968 4.29"
6 1973 4.27"
7 1999 4.00"
8 1874 3.61"
9 2001 3.10"
10 1942 2.77"

Driest Sep 3 – Sep 10 on Record

# Year Total
1 2019 0.00"
2 2017 0.00"
3 2013 0.00"
4 2006 0.00"
5 2005 0.00"
6 1994 0.00"
7 1982 0.00"
8 1980 0.00"
9 1979 0.00"
10 1971 0.00"
About this data. Pick any start and end date and this becomes the same kind of review as the Month and Fall tabs, just for exactly the window you asked for — the generalized version of the same engine, evaluated across every year on record. Average temperature is the mean of each day's (high + low) / 2; precipitation is the sum of daily totals. A year missing more than about a fifth of the window's days is excluded from the temperature ranking; any missing day excludes a year from the precipitation ranking, since an unreported day is unreported rain. Ranges that cross from December into January aren't supported yet. Normals are the 1991–2020 mean for the same window.
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