Garrison Reservoir

Natrona County, WY

MAYBEConfidence · Medium

Best bite window

Sat · Sep 12, 10 AM → 2 PM (America/Denver)

Main reason

dry conditions across the window

Main risk

a front passing through

MAYBE on Garrison 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 Garrison Reservoir in Natrona County, WY is MAYBE, with the best four-hour window on Sat, Sep 12 from 10 AM to 2 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 southeast, gusting to 14 mph, surface pressure near 815 hPa on a rising trend, and rainfall totaling 0.00 inches over the four hours. Air temperature in the window sits near 63 °F, with a dominant forecast of overcast. Confidence in this read is medium; it was generated September 10, 2026, 1:28 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, 1:28 PM UTCBUCKET 2026-09-10ENGINE 0.7.0

Conditions at a glance

Wind: 7mph
SE · gust 14
Rain / Weather: 0in
Overcast
Temp: 63°F
17°C · hum 42%
Pressure: 24.07inHg
Rising

7-Day Fishing Forecast

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

Thu · Sep 10
Window passed
MAYBE
A front passing through
79° / 48°F
7 mph · Wgust 20
0.00 in
↓ -10.2 hPa
Fri · Sep 11
4 AM → 8 AM
MAYBE
A front passing through
75° / 55°F
9 mph · SWgust 35
0.00 in
↓ +1.9 hPa
Sat · Sep 12
10 AM → 2 PM
MAYBE
A front passing through
81° / 48°F
7 mph · SEgust 32
0.01 in
↓ -5.8 hPa
Sun · Sep 13
4 AM → 8 AM
MAYBE
A front passing through
81° / 54°F
13 mph · Egust 37
0.01 in
↓ +2.3 hPa
Mon · Sep 14
2 PM → 6 PM
MAYBE
A front passing through
68° / 48°F
7 mph · NWgust 35
0.00 in
→ +6.4 hPa
Tue · Sep 15
10 AM → 2 PM
MAYBE
A front passing through
70° / 41°F
7 mph · Egust 39
0.00 in
↓ -1.8 hPa
Wed · Sep 16
4 AM → 8 AM
MAYBE
A front passing through
66° / 46°F
5 mph · Wgust 13
0.00 in
→ +6.3 hPa

Last 3 days

Recent context — what just happened

Pressure

Rising

+10.4 hPa over 72h

Rain

Dry stretch

0.00 in totallast 72h

Wind

Gusty

11 mph · gust 39 · W

Temperature

Cooler

-7.4°F over 72h77–41°F range

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

Nearby waters

Lox Reservoir· Natrona County, WY
Burlington Reservoir· Fremont County, WY
Dinty Moore Reservoir· Fremont County, WY
Irish Lake· Natrona County, WY
Muskrat Number 1 Reservoir· Fremont County, WY
Double Butte Reservoir· Fremont County, WY

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