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Forecast
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© 2026·AI-powered bite forecast
0.1.0+2161 · b4069346

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United States / California / American River

Bite forecast: American River

  • length 20 mi
  • Sacramento River basin
Loading map…

Best fishing days for the next week

  1. TuesdaySeptember 8weather-based forecast
    36/100medium activity

    Cloudy: 68–86 °F

Nearby rivers

  • Arcade Creek9 mi

Nearby water bodies

  • PondWilliam B. Pond4 mi
  • ReservoirLake Natoma5 mi
  • ReservoirMather Lake5 mi
  • PondNatoma Station Ponds6 mi
  • PondWillow Springs Resevoir8 mi
  • ReservoirBlodgett Reservoir8 mi
  • LakeSwan Lake9 mi
  • ReservoirBaldwin Reservoir9 mi
  • ReservoirHinkle Reservoir9 mi

American River (California) — a popular fishing spot. About 33 km long. Nearby towns: Sacramento, Roseville and Elk Grove. This page shows an hourly bite forecast for today and the week ahead; the algorithm factors in the weather, atmospheric pressure, and the moon phase.

ThursdaySeptember 3weather-based forecast
35/100medium activity

Clear: 57–82 °F

  • WednesdaySeptember 2weather-based forecast
    32/100medium activity

    Clear: 55–82 °F

  • Nearby towns

    • Sacramento7 mi
    • Roseville7 mi
    • Elk Grove11 mi
    Loading map…

    Bite calendar

    Wednesday, September 2

    Aug 31 – Sep 6
    Mon
    Tue
    Wed
    Thu
    Fri
    Sat
    Sun
    Bite activity:highmediumlowslow
    Based on:weatherseasonal
    What is a bite calendar?
    Coho salmonSteelheadStriped bassBlack crappieSmallmouth bassWhite bassWhite crappieCutthroat troutBrook troutChinook salmonLargemouth bassBlue catfishBluegillCarpChannel catfishFlathead catfishRainbow troutSpotted bass

    Black crappie

    6/10 · Fair

    Hourly activity

    0:006:0012:0018:0023:00
    Bite activity:highmediumlow

    The bite is strong — fish are active. Weather is steady, with no sharp swings — fish behave predictably.

    Peak bite hours

    Best time — 06:00–08:00 (dawn bite) and 19:00–21:00 (dusk bite).

    Tactics

    Work the cover — snags, weed edges, hole entrances; retrieve the lure with pauses.

    Lures

    The water's turning murky — go with bright, noisy lures: small jig or minnow bait.

    Gear

    It's a hot day — a hat, sunglasses, and plenty of water are a must. Winds will be strong — wind protection helps, and be careful if you're in a boat.

    Summary

    Worth going — it's a productive day.

    How this forecast is calculated

    Why this forecast

    The computed water temperature is around 78 °F — warmer than the 57–75 °F comfort range for Black crappie: in the heat it drops deeper and feeds less often.

    Computed water temperature by month; the green band is the 57–75 °F comfort rangecomfort 57–75 °F78 °F
    JFMAMJJASOND

    Black crappie works the twilight: the peaks are pinned to sunrise and sunset — their times are in the sun-and-moon card above.

    The day: daylight hours and when Black crappie feeds0:0012:0024:00

    Pressure is dropping 0.06 inHg over the day — fish are usually more active ahead of a weather change.

    Pressure through the day, 0.06 inHg change
    00:00 · 29.8423:00 · 29.79 inHg

    One more input — the moon's feeding windows: within their hours the score sits higher than across the rest of the day. The window times are in the “Solunar feeding periods” card below.

    Feeding windows on the day scale0:0012:0024:00

    September is an active season for Black crappie here.

    JFMAMJJASOND

    These are the same values the bite curve above was computed from. How the forecast works

    2 SepWednesday, September 2
    +79°

    Clear · feels like +68°

    Low / high
    +55°…+83°
    Precipitation
    0.00 in
    Wind
    19 mph WSW
    Cloud cover
    0%
    Humidity
    12%
    Pressure
    29.87 inHg
    00:00+63°—11 mphwest wind, 11 mph31%0%
    01:00+61°—8 mphsouthwest wind, 8 mph34%0%
    02:00+59°—5 mphsouthwest wind, 5 mph36%0%
    03:00+57°—4 mphsouth wind, 4 mph38%0%
    04:00+56°—4 mphsoutheast wind, 4 mph36%0%
    05:00+56°—7 mpheast wind, 7 mph32%0%
    06:00+55°—6 mpheast wind, 6 mph32%0%
    07:00+55°—6 mpheast wind, 6 mph33%0%
    08:00+64°—10 mphwest wind, 10 mph26%0%
    09:00+68°—16 mphwest wind, 16 mph21%0%
    10:00+72°—16 mphwest wind, 16 mph18%0%
    11:00+76°—19 mphwest wind, 19 mph14%0%
    12:00+79°—19 mphsouthwest wind, 19 mph12%0%
    13:00+81°—20 mphwest wind, 20 mph11%0%
    14:00+82°—20 mphwest wind, 20 mph11%0%
    15:00+83°—21 mphwest wind, 21 mph12%0%
    16:00+81°—21 mphwest wind, 21 mph13%0%
    17:00+79°—21 mphwest wind, 21 mph14%0%
    18:00+77°—21 mphwest wind, 21 mph17%0%
    19:00+72°—15 mphwest wind, 15 mph20%0%
    20:00+68°—10 mphsouthwest wind, 10 mph24%0%
    21:00+66°—9 mphsouthwest wind, 9 mph26%0%
    22:00+64°—6 mphsoutheast wind, 6 mph27%0%
    23:00+63°—11 mphsoutheast wind, 11 mph32%0%
    +83°+69°+55°
    Weather throughout the day
    0:006:0012:0018:0023:00

    Sun and moon

    Wednesday, September 2
    The day: daylight and the hours the moon is above the horizon. Local time0:0012:0024:00
    DaylightMoon above the horizon
    Sunrise
    06:21
    Sunset
    19:13
    Day length
    12 h 52 min
    Sunshine hours
    12 h 1 min
    UV index
    7
    high
    Moon
    Waning gibbous
    Moonrise
    22:19
    Moonset
    12:41

    The day is 2 min shorter than yesterday.

    Sunshine hours count direct sun only — cloud cover cuts it, so it is shorter than daylight.

    Solunar feeding periods

    +14% in the windowWednesday, September 2
    Feeding windows on the day scale, local time0:0012:0024:00
    Major periodsMinor periods
    • Major04:05–06:05Moon overhead
    • Minor12:11–13:11Moonset
    • Major16:33–18:33Moon underfoot
    • Minor21:49–22:49Moonrise

    The windows are set by the moon's transit and rise, and the forecast above already accounts for them: within these hours the bite score sits higher than across the rest of the day, while the day's overall level still comes from the catch-calibrated model.

    What are solunar periods?

    Measured river conditions are available for American River: current gauge height, streamflow, and water temperature when reported by the source.

    Water

    Water temp · measured
    65 °F
    In the model
    78 °F

    USGS gauge AMERICAN R A WILLIAM B POND PARK A CARMICHAEL CA, 3 mi away · measured 2026-09-02 08:45 · data source · provisional data, subject to revision