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MIDDLE FORK AMERICAN RIVER - FORESTHILL (MFAC1)
Latitude:
39.01º N
Longitude:
120.76º W
Elevation:
1070 Feet
Location: Placer County in CA
River Group: Lower Sacramento
Issuance Time: May 13 2025 at 8:41 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.
4x5-Day Probability Plot
Tabular 4 x 5-Day Streamflow Volume Data
Observed
Peak 1-Day Streamflow Volume:
(April 1 at 12 UTC to Current Date at 12 UTC)
  Observed
04/02/2025
8.0kaf
  

Forecast
Peak 1-Day Streamflow Volume:
(Current Date at 12 UTC to August 1 at 12 UTC)
10% (Max)
05/27/2025
11.0kaf
25%
05/19/2025
8.7kaf
50% (Prob)
05/19/2025
7.3kaf
75%
05/19/2025
6.4kaf
90% (Min)
05/18/2025
5.7kaf
Tabular 5-Day Volume Accumulations (1000s of Acre-Feet)
Probability05/13 to 05/1805/18 to 05/2305/23 to 05/2805/28 to 06/02
10%30.8 kaf39.7 kaf29.2 kaf23.1 kaf
25%27.7 kaf32.2 kaf25.8 kaf18.3 kaf
50%
(Median)
25.9 kaf28.0 kaf23.6 kaf16.4 kaf
75%25.0 kaf24.8 kaf21.6 kaf14.7 kaf
90%23.4 kaf23.4 kaf19.9 kaf13.3 kaf

Location Photographs

ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ067)
Today: Mostly cloudy in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Warmer. Highs 55 to 69. Prevailing west winds up to 10 mph.

Tonight: Clear. Lows 41 to 49. Light winds.

Wednesday: Sunny, warmer. Highs 64 to 76. Light winds becoming west up to 10 mph in the afternoon.

Wednesday Night: Mostly clear. Lows 46 to 52. Light winds.

Thursday: Sunny, warmer. Highs 70 to 82. Light winds becoming west up to 10 mph in the afternoon.

Thursday Night: Mostly cloudy. Lows 52 to 58.

Friday: Mostly sunny. Highs 71 to 83.

Friday Night: Mostly clear. Lows 49 to 55.

Saturday and Saturday Night: Mostly clear. A slight chance of rain showers. Highs 63 to 75. Lows 44 to 55.

Sunday and Sunday Night: Clear. Highs 65 to 77. Lows 44 to 54.

Monday: Sunny, warmer. Highs 73 to 85.