Blacktail Reservoir

Rosebud County, MT

MAYBEConfidence · Medium

Best bite window

Tue · Oct 27, 4 AM → 8 AM (America/Denver)

Main reason

dry conditions across the window

Main risk

a front passing through

MAYBE on Blacktail 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 Blacktail Reservoir in Rosebud County, MT is MAYBE, with the best four-hour window on Tue, Oct 27 from 4 AM to 8 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 6 mph out of the southeast, gusting to 17 mph, surface pressure near 906 hPa on an unstable trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 36 °F, with a dominant forecast of overcast. Confidence in this read is medium; it was generated October 26, 2026, 9:27 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, 9:27 AM UTCBUCKET 2026-10-26ENGINE 0.7.0

Conditions at a glance

Wind: 6mph
SE · gust 17
Rain / Weather: 0in
Overcast
Temp: 36°F
2°C · hum 94%
Pressure: 26.75inHg
Unstable

7-Day Fishing Forecast

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

Mon · Oct 26
Window passed
SKIP
Sustained high wind
50° / 36°F
17 mph · SEgust 30
0.00 in
↓ -13.6 hPa
Tue · Oct 27
4 AM → 8 AM
MAYBE
A front passing through
54° / 34°F
6 mph · SEgust 33
0.00 in
→ -1.5 hPa
Wed · Oct 28
4 AM → 8 AM
MAYBE
A front passing through
57° / 39°F
7 mph · Wgust 21
0.00 in
↑ +8.0 hPa
Thu · Oct 29
4 AM → 8 AM
MAYBE
A front passing through
45° / 36°F
11 mph · NEgust 17
0.00 in
↑ +6.5 hPa
Fri · Oct 30
3 PM → 7 PM
MAYBE
A front passing through
57° / 34°F
6 mph · SEgust 32
0.00 in
↓ -14.3 hPa
Sat · Oct 31
4 AM → 8 AM
MAYBE
A front passing through
57° / 43°F
4 mph · SWgust 16
0.00 in
↑ +3.4 hPa
Sun · Nov 1
5 AM → 9 AM
MAYBE
A front passing through
55° / 43°F
4 mph · Sgust 17
0.04 in
↓ -0.5 hPa

Last 3 days

Recent context — what just happened

Pressure

Unstable

+22.4 hPa over 72h

Rain

Dry stretch

0.00 in totallast 72h

Wind

Gusty

11 mph · gust 47 · E

Temperature

Cooler

-11.9°F over 72h64–27°F range

Weather-only read. Confidence is capped until local water data or feedback exists.

Nearby waters

Lower Blacktail Reservoir· Rosebud County, MT
Thebes Lake· Rosebud County, MT
Donleys Reservoir· Rosebud County, MT
Absolen Reservoir· Rosebud County, MT
Fourteen Reservoir· Garfield County, MT
Hay Creek Reservoir· Rosebud County, MT

Weather data by Open-Meteo — CC BY 4.0. Fishing Weather derives the fishing read.