Big Spring Lake

Glacier 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 Big Spring Lake — 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).

Next forecast window

MAYBE

Wed · Oct 28, 4 AM → 8 AM (America/Denver)

Full read

The latest cached fishing-weather read for Big Spring Lake in Glacier 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 northeast, gusting to 6 mph; surface pressure near 829 hPa on an unstable trend; 0.00 inches of rain; and air temperature near 32 °F with overcast dominant. Confidence in this cached read is low; it was generated October 26, 2026, 9:40 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 October 26, 2026, 9:40 AM UTCBUCKET 2026-10-26ENGINE 0.7.0

Conditions at a glance

Wind: 4mph
NE · gust 6
Rain / Weather: 0in
Overcast
Temp: 32°F
0°C · hum 83%
Pressure: 24.48inHg
Unstable

7-Day Fishing Forecast

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

Mon · Oct 26
Window passed
MAYBE
A front passing through
37° / 25°F
4 mph · NEgust 9
0.00 in
↓ -9.9 hPa
Tue · Oct 27
4 AM → 8 AM
SKIP
Extreme gusts
36° / 30°F
18 mph · SWgust 42
0.37 in
→ +0.5 hPa
Wed · Oct 28
4 AM → 8 AM
MAYBE
A front passing through
37° / 21°F
4 mph · SWgust 16
0.10 in
↑ +12.2 hPa
Thu · Oct 29
9 AM → 1 PM
MAYBE
A front passing through
27° / 18°F
4 mph · Egust 7
0.13 in
→ +1.9 hPa
Fri · Oct 30
5 PM → 9 PM
MAYBE
A front passing through
39° / 21°F
3 mph · SWgust 12
0.00 in
↓ -9.6 hPa
Sat · Oct 31
5 PM → 9 PM
MAYBE
A front passing through
39° / 27°F
7 mph · SWgust 20
0.00 in
↓ +1.0 hPa
Sun · Nov 1
4 AM → 8 AM
MAYBE
A front passing through
37° / 25°F
9 mph · SWgust 15
0.00 in
↑ +4.7 hPa

Last 3 days

Recent context — what just happened

Pressure

Unstable

+19.0 hPa over 72h

Rain

Light rain

0.07 in totallast 72h

Wind

Gusty

8 mph · gust 36 · NE

Temperature

Cooler

-17.8°F over 72h48–23°F range

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

Nearby waters

Kiyo Crag Lake· Pondera County, MT
Minnie White Horse Lake· Glacier County, MT
Ole Lake· Flathead County, MT
Slippery Hoof Lake· Pondera County, MT
Two Medicine Lake· Glacier County, MT
Twin Lakes· Glacier County, MT

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