Great Salt Lake Water Level & Temperature Today
5.3 ft below normal for late October, 1.30 ft above the lowest in our record since 1847 (Nov 7, 2022), and 1.5 ft lower than a year ago.
Read Oct 26, 1:45 PM MDT
Trend and source week, month, year
Source: U.S. Geological Survey. Check it at waterdata.usgs.gov/monitoring-location/10010000/
Great Salt Lake, Utah. A natural lake; levels from the U.S. Geological Survey.
Great Salt Lake level
Daily level, past 12 months, feet above sea level (NGVD29). Shaded: the normal range, the middle half of readings for each date, 1991 to 2025. U.S. Geological Survey.
Monthly average since Oct 18, 1847; gaps where the record is missing. U.S. Geological Survey.
Great Salt Lake water temperature
59.2°F on Oct 25, the latest daily value from USGS gauge 405356112205601. USGS GSL 3510, 6 mi west of Antelope Island (in-lake site, record starts 2025).
Daily water temperature, degrees Fahrenheit. U.S. Geological Survey.
About Great Salt Lake today
How full is Great Salt Lake?It has no full pool
Great Salt Lake is a terminal lake with no full pool. Level is the south arm at Saltair Boat Harbor (USGS 10010000, record from 1847).
Today it is 4,189.80 ft.
How low is Great Salt Lake?5.3 ft below normal
Normal for this date is 4,195.11 ft (median, 1991 to 2025). The lowest daily level in our record since 1847 is 4,188.50 ft, on Nov 7, 2022.
Is Great Salt Lake still dropping?It's flat this week
| Change | Feet | Level then |
|---|---|---|
| Past day (since Oct 25) | 0.00 no change | 4,189.80 |
| Past 7 days (since Oct 19) | 0.00 no change | 4,189.80 |
| Past 30 days (since Sep 26) | 0.00 no change | 4,189.80 |
| Past year (since Oct 26, 2025) | 1.50 down | 4,191.30 |
Is Great Salt Lake lower than normal?Yes: 5.3 ft below normal for this date
Normal for Oct 26 is 4,195.11 ft: the median of 245 daily readings within 3 days of this date, 1991 to 2025. Great Salt Lake is 5.3 ft below it.
We haven't found an operator's statement of the reason for this lake yet, so this answer only compares the level with a normal year.
Great Salt Lake this time last year4,191.3 ft on Oct 26, 2025
1.5 ft lower than a year ago.
Levels: U.S. Geological Survey, read Oct 26, 1:45 PM MDT. Normal and records come from Creek & Lake's stored daily history (15,234 days since 1847); they aren't official unless the operator publishes the same value.