Mariposa Lake

Teton County, WY

MAYBEConfidence · Medium
Best bite window
Sat · Sep 12, 4 AM8 AM (America/Denver)
Main reason
dry conditions across the window
Main risk
a front passing through

MAYBE on Mariposa 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).

Full read

The current fishing-weather read for Mariposa Lake in Teton County, WY is MAYBE, with the best four-hour window on Sat, Sep 12 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 7 mph out of the south, gusting to 9 mph, surface pressure near 721 hPa on an unstable trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 37 °F, with a dominant forecast of overcast. Confidence in this read is medium; it was generated September 10, 2026, 1:27 PM 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 September 10, 2026, 1:27 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind
7mph

S · gust 9

Rain / Weather
0in

Overcast

Temp
37°F

3°C · hum 81%

Pressure
21.29inHg

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
    59° / 37°F
    12 mph · SWgust 35
    0.00 in
    ↓ -11.1 hPa
  2. Fri · Sep 11
    5 AM9 AM
    SKIP
    Extreme gusts
    55° / 39°F
    12 mph · Wgust 41
    0.04 in
    ↓ +0.2 hPa
  3. Sat · Sep 12
    4 AM8 AM
    MAYBE
    A front passing through
    63° / 37°F
    7 mph · Sgust 38
    0.00 in
    ↓ -5.3 hPa
  4. Sun · Sep 13
    6 AM10 AM
    MAYBE
    A front passing through
    50° / 27°F
    4 mph · Egust 44
    0.00 in
    ↑ +9.9 hPa
  5. Mon · Sep 14
    4 AM8 AM
    MAYBE
    A front passing through
    52° / 23°F
    5 mph · SWgust 12
    0.00 in
    ↓ +0.9 hPa
  6. Tue · Sep 15
    4 AM8 AM
    MAYBE
    A front passing through
    57° / 28°F
    5 mph · SEgust 24
    0.00 in
    ↓ +1.4 hPa
  7. Wed · Sep 16
    9 AM1 PM
    MAYBE
    A front passing through
    55° / 28°F
    4 mph · NWgust 7
    0.00 in
    ↓ +4.3 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+8.6 hPa over 72h
Rain
Light rain
0.16 in totallast 72h
Wind
Gusty
16 mph · gust 39 · SW
Temperature
Cooler
-4.9°F over 72h55–28°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.