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

*** IMPORTANT ***  Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.


CLEAR CREEK - WHISKEYTOWN RESERVOIR (WHSC1)
Latitude: 40.60º NLongitude: 122.54º WElevation: 1310 Feet
Location: Shasta County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: Jun 07, 2025 at 7:50 AM PDT
Please Note:Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

Flow data on this product are unregulated / full natural flow.
2025 Water Year Accumulated Volume PlotCSV Ensemble Files (Data in kcfs):  Forecast Group  |  WHSC1

Tabular Monthly Volume Accumulation (1000s of Acre-Feet)
Probability Nov 1
2024
Dec 1
2024
Jan 1
2025
Feb 1
2025
Mar 1
2025
Apr 1
2025
May 1
2025
Jun 1
2025
Jul 1
2025
Aug 1
2025
Sep 1
2025
Oct 1
2025
10% -- -- -- -- -- -- -- -- 317 323 326 329
25% -- -- -- -- -- -- -- -- 316 322 326 328
50%
(Median)
-- -- -- -- -- -- -- -- 316 322 325 328
75% -- -- -- -- -- -- -- -- 316 322 325 327
90% -- -- -- -- -- -- -- -- 316 322 325 327

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ013)
Tonight: Clear. Lows 59 to 74. Light winds.

Sunday: Sunny, warmer. Highs 87 to 102 higher elevations and 98 to 106 lower elevations. Light winds.

Sunday Night: Mostly clear. Lows 58 to 73 higher elevations and 66 to 76 lower elevations. Prevailing southwest winds up to 10 mph in the evening becoming light.

Monday: Mostly sunny. Highs 87 to 102 higher elevations and 97 to 105 lower elevations. Light winds.

Monday Night: Mostly clear. Lows 58 to 73 higher elevations and 66 to 75 lower elevations. Prevailing west winds up to 10 mph in the evening becoming light.

Tuesday: Sunny. Highs 82 to 97.

Tuesday Night: Mostly clear. Cooler. Lows 54 to 69.

Wednesday through Thursday: Clear. Highs 78 to 93. Lows 53 to 68.

Thursday Night: Mostly clear. Cooler. Lows 49 to 64.

Friday through Saturday: Clear. Highs 71 to 86. Lows 48 to 63.