Hardpan Reservoir

Valley County, MT

MAYBEConfidence · Medium
Best bite window
Tue · Oct 27, 10 PM → 2 AM (America/Denver)
Main reason
dry conditions across the window
Main risk
a front passing through

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

Full read

The current fishing-weather read for Hardpan Reservoir in Valley County, MT is MAYBE, with the best four-hour window on Tue, Oct 27 from 10 PM to 2 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 7 mph out of the southwest, gusting to 19 mph, surface pressure near 924 hPa on an unstable trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 39 °F, with a dominant forecast of overcast. Confidence in this read is medium; it was generated October 26, 2026, 9:29 AM 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 October 26, 2026, 9:29 AM UTCBUCKET 2026-10-26ENGINE 0.7.0

Conditions at a glance

Wind
7mph

SW · gust 19

Rain / Weather
0in

Overcast

Temp
39°F

4°C · hum 87%

Pressure
27.29inHg

Unstable

7-Day Fishing Forecast

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

  1. Mon · Oct 26
    Window passed
    SKIP
    Sustained high wind
    48° / 32°F
    17 mph · SEgust 28
    0.00 in
    ↓ -13.3 hPa
  2. Tue · Oct 27
    4 AM → 8 AM
    MAYBE
    A front passing through
    48° / 37°F
    12 mph · SEgust 34
    0.13 in
    ↓ -6.4 hPa
  3. Wed · Oct 28
    4 AM → 8 AM
    MAYBE
    A front passing through
    48° / 36°F
    6 mph · Wgust 17
    0.00 in
    ↑ +11.4 hPa
  4. Thu · Oct 29
    4 AM → 8 AM
    MAYBE
    A front passing through
    41° / 30°F
    6 mph · NWgust 14
    0.00 in
    ↑ +6.2 hPa
  5. Fri · Oct 30
    4 AM → 8 AM
    MAYBE
    A front passing through
    54° / 34°F
    9 mph · Egust 30
    0.00 in
    ↓ -14.3 hPa
  6. Sat · Oct 31
    6 AM → 10 AM
    MAYBE
    A front passing through
    54° / 41°F
    4 mph · Ngust 16
    0.00 in
    ↑ +2.3 hPa
  7. Sun · Nov 1
    4 AM → 8 AM
    MAYBE
    A front passing through
    54° / 43°F
    4 mph · NWgust 15
    0.00 in
    ↓ +0.2 hPa

Last 3 days

Recent context — what just happened

Pressure
Unstable
+24.1 hPa over 72h
Rain
Light rain
0.06 in totallast 72h
Wind
Gusty
12 mph · gust 43 · E
Temperature
Cooler
-18.0°F over 72h61–30°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.