Suphellen Reservoir

Toole County, MT

MAYBEConfidence · Low
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 Suphellen Reservoir — light winds and dry conditions across the window 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, 8 AM → 12 PM (America/Denver)

Full read

The latest cached fishing-weather read for Suphellen Reservoir in Toole 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 southwest, gusting to 14 mph; surface pressure near 890 hPa on a steady trend; 0.00 inches of rain; and air temperature near 55 °F with overcast dominant. Confidence in this cached read is low; it was generated September 10, 2026, 1:29 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, 1:29 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
7mph

SW · gust 14

Rain / Weather
0in

Overcast

Temp
55°F

13°C · hum 64%

Pressure
26.28inHg

Steady

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
    75° / 54°F
    7 mph · SWgust 32
    0.00 in
    ↓ -2.4 hPa
  2. Fri · Sep 11
    8 AM → 12 PM
    MAYBE
    A front passing through
    54° / 46°F
    6 mph · Ngust 16
    0.07 in
    ↑ +11.7 hPa
  3. Sat · Sep 12
    4 AM → 8 AM
    MAYBE
    A front passing through
    52° / 48°F
    6 mph · NEgust 13
    0.00 in
    ↓ -1.2 hPa
  4. Sun · Sep 13
    3 PM → 7 PM
    MAYBE
    A front passing through
    48° / 43°F
    12 mph · NEgust 27
    0.31 in
    ↓ -3.7 hPa
  5. Mon · Sep 14
    7 PM → 11 PM
    MAYBE
    A front passing through
    57° / 41°F
    7 mph · Ngust 20
    0.05 in
    ↑ +5.6 hPa
  6. Tue · Sep 15
    4 AM → 8 AM
    MAYBE
    A front passing through
    52° / 46°F
    6 mph · Ngust 16
    0.01 in
    ↑ +4.9 hPa
  7. Wed · Sep 16
    4 AM → 8 AM
    MAYBE
    A front passing through
    64° / 43°F
    4 mph · Sgust 8
    0.00 in
    ↓ -3.3 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
-1.9 hPa over 72h
Rain
Wet stretch
1.07 in totallast 72h
Wind
Gusty
14 mph · gust 47 · W
Temperature
Cooler
-0.5°F over 72h75–46°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.