Rainbow Lake

Park 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 Rainbow 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

Fri · Sep 11, 4 AM → 8 AM (America/Denver)

Full read

The latest cached fishing-weather read for Rainbow Lake in Park 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 6 mph out of the southwest, gusting to 22 mph; surface pressure near 821 hPa on an unstable trend; 0.00 inches of rain; and air temperature near 61 °F with overcast dominant. Confidence in this cached read is medium; it was generated September 10, 2026, 1:21 PM 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 September 10, 2026, 1:21 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
6mph

SW · gust 22

Rain / Weather
0in

Overcast

Temp
61°F

16°C · hum 22%

Pressure
24.24inHg

Unstable

7-Day Fishing Forecast

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

  1. Thu · Sep 10
    Window passed
    MAYBE
    A front passing through
    79° / 46°F
    7 mph · SEgust 26
    0.00 in
    ↓ -12.3 hPa
  2. Fri · Sep 11
    4 AM → 8 AM
    MAYBE
    A front passing through
    75° / 52°F
    9 mph · SEgust 28
    0.00 in
    ↓ +4.0 hPa
  3. Sat · Sep 12
    9 AM → 1 PM
    MAYBE
    A front passing through
    75° / 46°F
    4 mph · SEgust 29
    0.00 in
    ↓ -4.3 hPa
  4. Sun · Sep 13
    5 AM → 9 AM
    MAYBE
    A front passing through
    59° / 43°F
    4 mph · Sgust 49
    0.00 in
    ↑ +5.8 hPa
  5. Mon · Sep 14
    4 AM → 8 AM
    MAYBE
    A front passing through
    66° / 37°F
    5 mph · Sgust 14
    0.00 in
    ↓ +2.9 hPa
  6. Tue · Sep 15
    5 AM → 9 AM
    MAYBE
    A front passing through
    70° / 37°F
    3 mph · SEgust 16
    0.00 in
    ↓ +2.7 hPa
  7. Wed · Sep 16
    11 AM → 3 PM
    MAYBE
    A front passing through
    70° / 37°F
    3 mph · NWgust 7
    0.00 in
    ↓ +1.7 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+11.9 hPa over 72h
Rain
Dry stretch
0.02 in totallast 72h
Wind
Gusty
8 mph · gust 27 · S
Temperature
Cooler
-6.8°F over 72h77–36°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.