Rivers in California

Tuolumne River at Modesto

Stanislaus County, CaliforniaNWS MDSC1USGS 11290000Sacramento office

Below flood stage
36.70ftStage

Observed Mon, Sep 28, 3:00 AM PDT

Flood stage
55.00 ft
Forecast crest
36.66 ftMon, Sep 28, 3:00 AM PDT
Record crest
71.21 ft1997

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood67.00 ft
Moderate flood66.00 ft
Minor flood55.00 ft
Action50.50 ft
  1. 67.00 ftExtensive flooding occurs. Flows in excess of 40,000 cfs could cause extensive damage to residential, industrial and commercial development in Modesto downstream of gage.
  2. 55.00 ftThis is channel capacity through downtown Modesto.

Crest history

39 crests on NOAA’s list since 1950.

#DateStage
1January 4, 199771.21 ft
2December 9, 195069.19 ft
3December 25, 195566.43 ft
4January 27, 196965.42 ft
5February 22, 201758.90 ft
6March 14, 198357.30 ft
7March 12, 199556.56 ft
8April 1, 198256.17 ft
9January 2, 196555.35 ft
10March 16, 198655.20 ft
11March 16, 202354.69 ft
12March 21, 202354.61 ft
13April 6, 200654.45 ft
14January 18, 198054.40 ft
15January 6, 198454.20 ft
16February 2, 197953.60 ft
17January 22, 197052.65 ft
18February 28, 200051.48 ft
19January 9, 200651.26 ft
20January 4, 200651.09 ft
21March 7, 201950.66 ft
22May 7, 197850.50 ft
23February 12, 197349.55 ft
24December 22, 202549.28 ft
25January 18, 199349.24 ft

Most recent crests

  • December 22, 2025: 49.28 ft
  • March 19, 2025: 41.52 ft
  • March 3, 2024: 48.86 ft
  • March 21, 2023: 54.61 ft
  • March 16, 2023: 54.69 ft
  • April 17, 2022: 41.32 ft
  • April 16, 2021: 42.45 ft
  • December 4, 2019: 40.39 ft
  • March 7, 2019: 50.66 ft
  • April 7, 2018: 47.26 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the California Nevada River Forecast Center. Forecasts are issued routinely year-round.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.