Poison Lake

Larimer County, CO

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 Poison Lake — light winds and dry conditions across the window for this window. Watch a front passing through. Weather-only read (no on-water history calibrating this yet).

Next forecast window
MAYBE

Fri · Jul 24, 4 AM → 8 AM (America/Denver)

Full read

The latest cached fishing-weather read for Poison Lake in Larimer County, CO 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 3 mph out of the northeast, gusting to 6 mph; surface pressure near 843 hPa on a steady trend; 0.00 inches of rain; and air temperature near 73 °F with overcast dominant. Confidence in this cached read is low; it was generated July 23, 2026, 11:31 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 July 23, 2026, 11:31 AM UTCBUCKET 2026-07-23ENGINE 0.7.0

Conditions at a glance

Wind
3mph

NE · gust 6

Rain / Weather
0in

Overcast

Temp
73°F

23°C · hum 68%

Pressure
24.89inHg

Steady

7-Day Fishing Forecast

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

  1. Thu · Jul 23
    Window passed
    MAYBE
    A front passing through
    82° / 66°F
    3 mph · NEgust 19
    0.03 in
    ↓ -0.6 hPa
  2. Fri · Jul 24
    4 AM → 8 AM
    MAYBE
    A front passing through
    97° / 68°F
    6 mph · Wgust 17
    0.00 in
    ↓ -3.1 hPa
  3. Sat · Jul 25
    4 AM → 8 AM
    MAYBE
    A front passing through
    100° / 73°F
    7 mph · Wgust 17
    0.00 in
    ↓ -0.4 hPa
  4. Sun · Jul 26
    4 AM → 8 AM
    MAYBE
    A front passing through
    100° / 73°F
    7 mph · Wgust 24
    0.02 in
    ↓ -1.3 hPa
  5. Mon · Jul 27
    4 AM → 8 AM
    MAYBE
    A front passing through
    99° / 72°F
    7 mph · Wgust 40
    0.05 in
    ↑ +3.3 hPa
  6. Tue · Jul 28
    4 AM → 8 AM
    MAYBE
    A front passing through
    91° / 68°F
    5 mph · Wgust 12
    0.07 in
    ↓ -1.1 hPa
  7. Wed · Jul 29
    4 AM → 8 AM
    MAYBE
    A front passing through
    90° / 66°F
    3 mph · Wgust 8
    0.13 in
    ↓ +2.0 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+4.2 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Gusty
7 mph · gust 32 · N
Temperature
Cooler
-3.6°F over 72h97–66°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.