Anna Reservoir

Valley County, MT

MAYBEConfidence · Medium
Best bite window
Fri · Sep 11, 4 AM → 8 AM (America/Denver)
Main reason
dry conditions across the window
Main risk
a front passing through

MAYBE on Anna 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).

Full read

The current fishing-weather read for Anna Reservoir in Valley County, MT is MAYBE, with the best four-hour window on Fri, Sep 11 from 4 AM to 8 AM (America/Denver). The main factor in its favor is dry conditions across the window, and the main watch-out is a front passing through. During that window the forecast calls for wind near 6 mph out of the north, gusting to 12 mph, surface pressure near 922 hPa on a rising trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 55 °F, with a dominant forecast of overcast. Confidence in this read is medium; it was generated September 10, 2026, 1:18 PM UTC, and reads refresh on a daily cadence. This is a weather-only read built from forecast weather alone; it does not yet use on-water reports, and confidence is capped until local water data or feedback exists.

UPDATED September 10, 2026, 1:18 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
6mph

N · gust 12

Rain / Weather
0in

Overcast

Temp
55°F

13°C · hum 74%

Pressure
27.23inHg

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
    82° / 52°F
    9 mph · SWgust 33
    0.00 in
    ↓ -6.4 hPa
  2. Fri · Sep 11
    4 AM → 8 AM
    MAYBE
    A front passing through
    63° / 52°F
    6 mph · Ngust 27
    0.29 in
    ↑ +11.2 hPa
  3. Sat · Sep 12
    4 AM → 8 AM
    MAYBE
    A front passing through
    57° / 48°F
    6 mph · NWgust 14
    0.00 in
    → +2.3 hPa
  4. Sun · Sep 13
    4 AM → 8 AM
    MAYBE
    A front passing through
    59° / 46°F
    12 mph · Egust 24
    0.14 in
    ↓ -8.8 hPa
  5. Mon · Sep 14
    4 AM → 8 AM
    MAYBE
    A front passing through
    54° / 46°F
    7 mph · Sgust 27
    0.21 in
    ↑ +8.5 hPa
  6. Tue · Sep 15
    4 AM → 8 AM
    MAYBE
    A front passing through
    61° / 46°F
    4 mph · SWgust 14
    0.00 in
    ↑ +4.4 hPa
  7. Wed · Sep 16
    4 AM → 8 AM
    MAYBE
    A front passing through
    64° / 52°F
    4 mph · NWgust 13
    0.00 in
    ↓ -1.6 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+5.6 hPa over 72h
Rain
Wet stretch
5.81 in totallast 72h
Wind
Gusty
11 mph · gust 42 · W
Temperature
Cooler
-11.9°F over 72h75–48°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.