Rattlesnake Reservoir

Yellowstone County, MT

MAYBEConfidence · Low
Best bite window
Now → 4 PM (America/Denver)
Main reason
dry conditions across the window
Main risk
a front passing through

MAYBE on Rattlesnake 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 Rattlesnake Reservoir in Yellowstone County, MT is MAYBE, with the best four-hour window on Thu, Jul 23 from 12 PM to 4 PM (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 11 mph, surface pressure near 907 hPa on a rising trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 91 °F, with a dominant forecast of overcast. Confidence in this read is low; it was generated July 23, 2026, 11:35 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 July 23, 2026, 11:35 AM UTCBUCKET 2026-07-23ENGINE 0.7.0

Conditions at a glance

Wind
7mph

SW · gust 11

Rain / Weather
0in

Overcast

Temp
91°F

33°C · hum 31%

Pressure
26.78inHg

Rising

7-Day Fishing Forecast

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

  1. Thu · Jul 23
    Now → 4 PM
    MAYBE
    A front passing through
    97° / 66°F
    7 mph · SWgust 23
    0.00 in
    ↓ -1.9 hPa
  2. Fri · Jul 24
    5 AM → 9 AM
    MAYBE
    A front passing through
    100° / 66°F
    7 mph · SWgust 29
    0.01 in
    ↓ -3.3 hPa
  3. Sat · Jul 25
    4 AM → 8 AM
    MAYBE
    A front passing through
    108° / 75°F
    5 mph · SWgust 22
    0.02 in
    ↓ -0.1 hPa
  4. Sun · Jul 26
    10 AM → 2 PM
    MAYBE
    A front passing through
    108° / 75°F
    7 mph · NWgust 28
    0.00 in
    ↓ -0.2 hPa
  5. Mon · Jul 27
    4 AM → 8 AM
    MAYBE
    A front passing through
    100° / 73°F
    4 mph · Ngust 13
    0.00 in
    ↓ -2.2 hPa
  6. Tue · Jul 28
    4 AM → 8 AM
    MAYBE
    A front passing through
    100° / 73°F
    7 mph · Wgust 17
    0.00 in
    ↓ +0.9 hPa
  7. Wed · Jul 29
    4 AM → 8 AM
    MAYBE
    A front passing through
    106° / 70°F
    4 mph · SWgust 27
    0.00 in
    ↓ +0.5 hPa

Last 3 days

Recent context — what just happened

Pressure
Steady
+2.5 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Calm wind
7 mph · gust 19 · NE
Temperature
Warmer
+0.9°F over 72h90–61°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.