National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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CARSON RIVER - CARSON CITY (STWN2)
Latitude: 39.11º NLongitude: 119.71º WElevation: 4620 Feet
Location: Carson City County in NevadaRiver Group: Eastern Sierra
Monitor Stage: 8.0 FeetFlood Stage: 10.0 Feet

Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View USGS Data for this station location.

Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2022*
2,630
5.86
Oct 25, 2021
2021*
506
3.51
May 7, 2021
2020*
1,410
4.19
Apr 30, 2020
2019*
3,880
7.02
Feb 15, 2019
2018*
4,900
7.82
Apr 9, 2018
 Historical High Stage/Flow Events (Period of Record - May 1939 to Present) - Ranked by Flow
1997*
30,500
18.43
Jan 3, 1997
1956*
30,000
15.00**
Dec 24, 1955
1963*
21,900
13.11**
Feb 1, 1963
1951* 15,500 11.40** Nov 22, 1950
1986* 13,200 13.16 Feb 18, 1986
 * Discharge affected by regulation or diversion
 ** Old Datum. The difference is +1.0 ft and must be applied to data to convert to new datum.
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (NVZ003)
Today: Mostly cloudy. Chance of snow and rain. Patchy blowing snow in the morning. Blowing snow in the afternoon. Visibility one quarter mile or less at times. Snow accumulation of 1 to 3 inches. Highs 44 to 49. Southwest winds 25 to 35 mph with gusts up to 55 mph.

Tonight: Heavy snow and rain in the evening, then heavy snow after midnight. Blowing snow through the night. Visibility one quarter mile or less at times. Snow accumulation of 2 to 6 inches with 5 to 11 inches above 5000 feet. Lows 25 to 30. Southwest winds 20 to 30 mph with gusts up to 50 mph.

Saturday: Heavy snow. Patchy blowing snow. Visibility one quarter mile or less at times. Snow accumulation of 2 to 6 inches with 3 to 7 inches above 5000 feet. Highs 34 to 39. Southwest winds 15 to 25 mph with gusts up to 45 mph.

Saturday Night: Snow in the evening, then chance of snow after midnight. Patchy blowing snow through the night. Visibility one quarter mile or less at times. Lows 20 to 25. Southwest winds 10 to 15 mph with gusts up to 35 mph.

Sunday: Mostly cloudy with a chance of snow. Patchy blowing snow. Visibility one quarter mile or less at times. Highs 35 to 40. West winds 10 to 15 mph increasing to southwest 15 to 25 mph in the afternoon. Gusts up to 35 mph.

Sunday Night: Breezy. Mostly cloudy. Slight chance of snow in the evening. Patchy blowing snow in the evening. Lows 16 to 21.

Monday: Partly cloudy. Highs 39 to 44.

Monday Night: Mostly cloudy in the evening then becoming partly cloudy. Lows 19 to 24.

Tuesday through Wednesday Night: Mostly cloudy with a slight chance of snow. Highs 43 to 48. Lows 22 to 27.

Thursday: Partly cloudy with a slight chance of snow. Highs 41 to 46.
Impacts - E19 Information
8.0 FeetFlood threat and localized overbank flow begin in lowest areas.
8.5 FeetMinimal lowland flooding through reach.
9.0 FeetMinor lowland flooding through reach in lower flood prone areas.
9.5 FeetMinor flood impacts in lower portions of reach.
10.0 FeetFlood Stage - Minor to moderate flooding, several homes begin to have flood problems in Genoa, Carson Valley, Stewart, and Dayton. Minor to moderate damage to agriculture.
10.5 FeetModerate flooding through reach. Damage to roads, bridges, crops, irrigation systems, and buildings in lower areas. Transportation begins to be affected.
11.0 FeetMajor flooding. Many roads and highways flooded. Transportation becoming difficult, US Highway 395 closes. Massive bank erosion with the ability to wash away buildings, cars, and roads. River channel begins to move around laterally.
12.0 FeetExtensive flooding with major damage. Most roads in valley areas flood making transportation difficult. Massive erosion with large agricultural losses, cattle drownings.
13.5 FeetFlood disaster throughout reach. Transportation very difficult. Large number of structures affected, infrastructure damage (roads, bridges, power, and water).
15.0 FeetMajor flood disaster with widespread destruction throughout reach from Genoa to Weeks. Transportation extremely difficult.
16.0 FeetNear record flooding with massive destruction throughout reach. Most towns isolated, transporation nearly impossible.
17.0 FeetRecord flooding. All towns cut off, bridges and roads destroyed.
19.0 FeetIncredible flood with damage previously unknown from Carson Valley to Fort Churchill, including Empire and Dayton areas. USGS estimated 100 year flood.
Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Reno Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.