Old Thunder Slough

Blaine 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 Old Thunder Slough — 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 Old Thunder Slough in Blaine 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 4 mph out of the west, gusting to 9 mph; surface pressure near 930 hPa on a rising trend; 0.00 inches of rain; and air temperature near 73 °F with clear dominant. Confidence in this cached read is low; it was generated July 23, 2026, 11:30 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, 11:30 AM UTCBUCKET 2026-07-23ENGINE 0.7.0

Conditions at a glance

Wind
4mph

W · gust 9

Rain / Weather
0in

Clear

Temp
73°F

23°C · hum 51%

Pressure
27.46inHg

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
    97° / 63°F
    4 mph · Wgust 17
    0.00 in
    ↓ -4.4 hPa
  2. Fri · Jul 24
    4 AM → 8 AM
    SKIP
    Extreme gusts
    97° / 72°F
    7 mph · Wgust 35
    0.00 in
    ↓ -2.4 hPa
  3. Sat · Jul 25
    4 AM → 8 AM
    MAYBE
    A front passing through
    108° / 72°F
    4 mph · NWgust 27
    0.00 in
    ↓ -2.1 hPa
  4. Sun · Jul 26
    4 AM → 8 AM
    MAYBE
    A front passing through
    102° / 73°F
    9 mph · Wgust 30
    0.00 in
    → +4.2 hPa
  5. Mon · Jul 27
    4 AM → 8 AM
    MAYBE
    A front passing through
    102° / 70°F
    4 mph · SEgust 15
    0.00 in
    ↓ -3.2 hPa
  6. Tue · Jul 28
    7 PM → 11 PM
    MAYBE
    A front passing through
    99° / 70°F
    7 mph · Ngust 25
    0.00 in
    ↓ +0.5 hPa
  7. Wed · Jul 29
    4 AM → 8 AM
    MAYBE
    A front passing through
    100° / 70°F
    6 mph · Wgust 19
    0.00 in
    ↓ +2.2 hPa

Last 3 days

Recent context — what just happened

Pressure
Falling
+0.2 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Calm wind
7 mph · gust 22 · E
Temperature
Warmer
+5.9°F over 72h91–55°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.