Arrambide Reservoir

Valley County, MT

MAYBEConfidence · Medium
Best bite window
The highlighted window has passed. This read is still based on the latest cached weather; use the 7-Day forecast below for the next window.
Main reason
dry conditions across the window
Main risk
a front passing through

MAYBE on Arrambide Reservoir — light winds and rising pressure after a passing system for this window. Watch a front passing through. Weather-only read (no on-water history calibrating this yet).

Next forecast window
MAYBE

Fri · Sep 11, Now → 8 AM (America/Denver)

Full read

The latest cached fishing-weather read for Arrambide Reservoir in Valley County, MT is MAYBE. Its highlighted window has passed, so use the 7-day forecast below for the next available window. The main factor in its favor was dry conditions across the window, while the main watch-out was a front passing through. Its cached forecast evidence included wind near 7 mph out of the northwest, gusting to 17 mph; surface pressure near 925 hPa on a rising trend; 0.00 inches of rain; and air temperature near 75 °F with overcast dominant. Confidence in this cached read is medium; it was generated September 10, 2026, 1:24 PM UTC, and reads refresh on a daily cadence. This is a weather-only read built from forecast weather; it does not yet use on-water reports, and confidence is capped until local water data or feedback exists.

UPDATED September 10, 2026, 1:24 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
7mph

NW · gust 17

Rain / Weather
0in

Overcast

Temp
75°F

24°C · hum 30%

Pressure
27.32inHg

Rising

7-Day Fishing Forecast

One read per day — the bite call, the window, the weather behind it

  1. Thu · Sep 10
    Window passed
    MAYBE
    A front passing through
    86° / 54°F
    7 mph · NWgust 31
    0.00 in
    ↓ -8.7 hPa
  2. Fri · Sep 11
    Now → 8 AM
    MAYBE
    A front passing through
    64° / 52°F
    5 mph · Ngust 30
    0.06 in
    ↑ +12.1 hPa
  3. Sat · Sep 12
    4 AM → 8 AM
    MAYBE
    A front passing through
    57° / 52°F
    6 mph · NWgust 16
    0.00 in
    → +1.9 hPa
  4. Sun · Sep 13
    4 AM → 8 AM
    MAYBE
    A front passing through
    57° / 52°F
    13 mph · Egust 27
    0.16 in
    ↓ -8.3 hPa
  5. Mon · Sep 14
    4 PM → 8 PM
    MAYBE
    A front passing through
    54° / 48°F
    12 mph · NWgust 33
    0.06 in
    ↑ +10.0 hPa
  6. Tue · Sep 15
    4 AM → 8 AM
    MAYBE
    A front passing through
    64° / 48°F
    6 mph · SWgust 16
    0.00 in
    ↑ +3.4 hPa
  7. Wed · Sep 16
    4 AM → 8 AM
    MAYBE
    A front passing through
    68° / 50°F
    5 mph · Ngust 13
    0.00 in
    ↓ -1.1 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+8.5 hPa over 72h
Rain
Wet stretch
0.93 in totallast 72h
Wind
Gusty
12 mph · gust 47 · W
Temperature
Cooler
-11.3°F over 72h77–48°F range

Weather-only read. Confidence is capped until local water data or feedback exists.

Nearby waters

Weather data by Open-Meteo — CC BY 4.0. Fishing Weather derives the fishing read.