Lake Frances Reservoir Water Level

Montana · updated daily from the U.S. Bureau of Reclamation

3811.04 ft

Lake Frances Reservoir is high for this time of year and steady (+0.05 ft in the last 7 days).

Change since yesterday: +0.00 ft

Reading as of 2022-02-23 · higher than 96% of February readings on record

Where Lake Frances Reservoir sits historically

TODAY 3811.04 ftRECORD LOW0 ft2021-04-21RECORD HIGH3815.91 ft2019-05-26

Today's level compared with every reading in our 6.6-year record for this lake.

Since yesterday

+0.00 ft

7-day change

+0.05 ft

30-day change

+0.11 ft

1-year change

+4.02 ft

Last 30 days

2022-01-243810.9–3811.1 ft2022-02-23

Last 12 months

2021-02-23-457.6–4270.6 ft2022-02-23

Full history (6.6 years)

2015-07-161479.7–4066.1 ft2022-02-22

Lake Frances Reservoir records and averages

Current level3811.04 ft
Record high3815.91 ft (2019-05-26)
Record low0.0 ft (2021-04-21)
Average of all readings3800.99 ft
Data span6.6 years (2,000 readings)

Frequently asked questions

Is Lake Frances Reservoir full right now?

As of 2022-02-23, Lake Frances Reservoir sits at 3811.04 ft, which is high for this time of year.Over the past 30 days the level has risen 0.11 ft.

What is the water level at Lake Frances Reservoir today?

The most recent reading is 3811.04 ft (2022-02-23), sourced from the U.S. Bureau of Reclamation. Readings on this page refresh automatically as the agency publishes new data.

What is the highest Lake Frances Reservoir has ever been?

The highest level in our records is 3815.91 ft on 2019-05-26. The lowest is 0.0 ft on 2021-04-21. Our record covers about 6.6 years of readings.

Is Lake Frances Reservoir low for this time of year?

Compared with every February in our records, the current level is higher than 96% of them — high for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.

Why is Lake Frances Reservoir changing right now?

Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Lake Frances Reservoir has risen 0.11 ft over the past 30 days. For the operational reason on any given week, check the U.S. Bureau of Reclamation directly.

How much has Lake Frances Reservoir changed over the past year?

The level is +4.02 ft compared with this date last year (3811.04 ft today). The full-history chart above covers 6.6 years, with a record high of 3815.91 ft and a record low of 0.0 ft.

Nearby lakes in Montana

Pishkun Reservoir and Dikes water level
4369.4 ft · rising
Gibson Reservoir water level
4664.82 ft · falling
Lake Elwell and Tiber water level
2989.61 ft · falling
Lake Sherburne water level
4772.99 ft · falling
Helena Valley Reservoir water level
3817.6 ft · falling
Canyon Ferry Lake water level
3788.92 ft · falling

Source: the U.S. Bureau of Reclamation. Readings are provisional and subject to revision by the publishing agency. All Montana lake levels.