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Lake Thunderbird and Norman water level

Lake, Oklahoma, United States

Directions

Low for mid-October

Surface elevation

1,036.98ft Up 1.30 ft over the last 7 days

Water stored
95,324 acre‑ft
1,037 1,038 1,039

History

1,0361,038ftOct 12Oct 13Oct 14Oct 15Oct 171,0361,038ftOct 12Oct 14Oct 17
1,0361,038ftSep 19Sep 26Oct 3Oct 10Oct 171,0361,038ftSep 19Oct 3Oct 17
1,0351,0381,0401,043ftOct 2025Jan 2026Apr 2026Jul 2026Oct 20261,0351,0381,0401,043ftOct 2025Apr 2026Oct 2026
1,0351,0401,045ftOct 2016Apr 2019Oct 2021Apr 2024Oct 20261,0351,0401,045ftOct 2016Oct 2021Oct 2026
1,0351,0401,045ftJanMarMayJulSepNov20261,0351,0401,045ftJanAprJulOct2026

202120222023202420252026

Surface elevation Normal range (10–90 %)

What this means

Water is short at Lake Thunderbird and Norman: the latest reading of 1,036.98 ft is below normal for mid-October.

The median for mid-October is 1,038.07 ft, based on 36 years of readings, so the lake level is 1.09 ft below typical. On the same day last year the reading was 1,038.20 ft, a difference of −1.22 ft.

It is on the way up, by 1.30 ft over the past week. The 30-day range is 1,035.61 ft – 1,036.99 ft.

Lakes and reservoirs often sit lower in fall after a summer of evaporation and use, and recover with winter rain and spring snowmelt.

Compared with 36 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
1,038.07 ft1.09 ft below the median for this date
Normal for this date
1,036.46 ft – 1,039.16 ft8 years in 10 fall in this range (36 years of records)
Same day last year
1,038.20 ft−1.22 ft
Lowest and highest in 30 days
1,035.61 ft – 1,036.99 ft
Lowest and highest in 12 months
1,035.61 ft – 1,038.45 ft

Boating and fishing at Lake Thunderbird and Norman

At low levels, launching can mean a long walk or a closed ramp, and shallow points stick out further than charts suggest.

Conditions at the shore change with the level, so check with the agency that runs the lake before a trip.

Weather at the gauge

Rain in the last 3 days: 0.57 in.

18 Sun 68° 42° – Wind 12 mph
19 Mon 71° 49° – Wind 12 mph
20 Tue 73° 48° – Wind 11 mph
21 Wed 77° 56° – Wind 10 mph
22 Thu 79° 60° – Wind 10 mph
23 Fri 78° 61° – Wind 15 mph
24 Sat 78° 60° – Wind 12 mph

Forecast: Open-Meteo

Sunrise 07:38 AM Sunset 06:51 PM Daylight 11 hr, 13 min First quarter 53%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Little River below Lake Thunderbird near NormanRiver gauge, Little River 0.5 cfs Low ±0 0.2 mi
Shawnee Reservoir at ShawneeReservoir, Shawnee Reservoir 1,069.67 ft Very low +0.03 ft 12 mi
Wes Watkins Reservoir near McLoudReservoir, Wes Watkins Reservoir 1,070.89 ft Very low ±0 14 mi
Canadian River at NormanRiver gauge, Canadian River 87.32 ft Below flood stage −2.59 ft 15 mi
Canadian River at PurcellRiver gauge, Canadian River 4.82 ft Below flood stage −3.22 ft 16 mi
Little River near TecumsehRiver gauge, Little River 3.83 ft Below flood stage −0.19 ft 16 mi
Walnut Creek at PurcellRiver gauge, Walnut Creek 35.1 cfs High −147.9 cfs 17 mi
Squirrel Creek at ShawneeRiver gauge, Squirrel Creek 4.81 ft Very high +0.23 ft 18 mi

Questions and answers

Is Lake Thunderbird and Norman higher than last year?

No, it is 1.22 ft lower than on the same day last year, when the reading was 1,038.20 ft.

What is a normal level for Lake Thunderbird and Norman in mid-October?

The median for mid-October is 1,038.07 ft. In 8 years out of 10 the reading falls between 1,036.46 ft and 1,039.16 ft, based on 36 years of records.

Is Lake Thunderbird and Norman really 1,036.98 ft deep?

No. 1,036.98 ft is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of Lake Thunderbird and Norman today?

On Oct 17, 2026, the surface elevation was 1,036.98 ft. Up 1.30 ft over the last 7 days.

Is Lake Thunderbird and Norman rising or falling?

Up 1.30 ft over the last 7 days.

Is the level of Lake Thunderbird and Norman normal?

Low for mid-October. Compared with 36 years of daily readings for this time of year.

How often is this data updated?

The U.S. Bureau of Reclamation publishes a new reading once a day. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Bureau of Reclamation
Station code
usbr:3674 (Agency page)
Coordinates
35.22080, -97.21810 (WGS84)
Update interval
once a day
Licence
Public domain. Data: U.S. Bureau of Reclamation (RISE), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Surface elevation 1,036.98 ft 2026-10-17 05:00 Provisional
Water stored 95,324 acre‑ft 2026-10-17 05:00 Provisional

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How to cite

U.S. Bureau of Reclamation: Lake Thunderbird and Norman (usbr:3674). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/oklahoma/lake-thunderbird-and-norman

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer