Suphellen Reservoir

Toole 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 Suphellen 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

Sat · Jul 25, 4 AM → 8 AM (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 3 mph out of the southwest, gusting to 10 mph; surface pressure near 895 hPa on a rising trend; 0.00 inches of rain; and air temperature near 68 °F with clear dominant. Confidence in this cached read is medium; it was generated July 23, 2026, 11:42 AM 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 July 23, 2026, 11:42 AM UTCBUCKET 2026-07-23ENGINE 0.7.0

Conditions at a glance

Wind
3mph

SW · gust 10

Rain / Weather
0in

Clear

Temp
68°F

20°C · hum 40%

Pressure
26.43inHg

Rising

7-Day Fishing Forecast

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

  1. Thu · Jul 23
    Window passed
    MAYBE
    A front passing through
    91° / 57°F
    3 mph · SWgust 24
    0.00 in
    ↓ -3.2 hPa
  2. Fri · Jul 24
    4 AM → 8 AM
    SKIP
    Extreme gusts
    91° / 64°F
    13 mph · NWgust 37
    0.00 in
    ↓ -3.2 hPa
  3. Sat · Jul 25
    4 AM → 8 AM
    MAYBE
    A front passing through
    100° / 68°F
    6 mph · NWgust 33
    0.00 in
    ↓ -0.7 hPa
  4. Sun · Jul 26
    4 AM → 8 AM
    MAYBE
    A front passing through
    93° / 68°F
    7 mph · Wgust 26
    0.00 in
    ↓ +2.3 hPa
  5. Mon · Jul 27
    4 AM → 8 AM
    MAYBE
    A front passing through
    91° / 68°F
    8 mph · Wgust 22
    0.00 in
    ↓ +0.4 hPa
  6. Tue · Jul 28
    4 AM → 8 AM
    MAYBE
    A front passing through
    95° / 63°F
    5 mph · Wgust 22
    0.00 in
    ↓ -2.8 hPa
  7. Wed · Jul 29
    4 AM → 8 AM
    MAYBE
    A front passing through
    97° / 72°F
    7 mph · NWgust 19
    0.00 in
    ↓ +1.6 hPa

Last 3 days

Recent context — what just happened

Pressure
Falling
-0.9 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Gusty
7 mph · gust 27 · NE
Temperature
Warmer
+0.5°F over 72h88–52°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.