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
Issuance Time: Sep 17 2021 at 7:34 AM PDTNext Issuance: Sep 18 2021 at 9:00 AM PDT
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.

Verification - Historical Graphical RVF
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Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2020*
1,410
4.19
Apr 30, 2020
2019*
3,880
7.02
Feb 15, 2019
2018*
4,900
7.82
Apr 9, 2018
2017*
10,500
11.98
Feb 11, 2017
2016*
1,700
5.00
May 14, 2016
 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: Sunny. Haze through the day. Areas of smoke in the afternoon. Highs 83 to 88. Light winds becoming southwest around 10 mph in the afternoon.

Tonight: Clear in the evening then becoming partly cloudy. Lows 48 to 58. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the evening.

Saturday: Sunny. Highs 76 to 81. South winds around 10 mph with gusts up to 30 mph increasing to southwest 15 to 25 mph with gusts up to 45 mph in the afternoon.

Saturday Night: Clear in the evening, then partly cloudy with a slight chance of rain after midnight. Lows 47 to 57. Southwest winds 15 to 20 mph with gusts up to 45 mph decreasing to around 10 mph after midnight.

Sunday: Mostly cloudy with a chance of rain in the morning, then partly cloudy in the afternoon. Areas of blowing dust in the afternoon. Highs 67 to 72. Southwest winds around 10 mph increasing to west 15 to 20 mph with gusts up to 35 mph in the afternoon.

Sunday Night: Clear. Areas of blowing dust in the evening. Lows 38 to 48.

Monday and Monday Night: Clear. Highs 69 to 74. Lows 40 to 50.

Tuesday: Sunny. Highs 79 to 84.

Tuesday Night through Wednesday Night: Partly cloudy. Lows 46 to 56. Highs 82 to 87.

Thursday: Sunny. Highs 77 to 82.
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.