Ralston Reservoir

Jefferson 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 Ralston Reservoir — 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

Tue · Oct 27, 12 PM → 4 PM (America/Denver)

Full read

The latest cached fishing-weather read for Ralston Reservoir in Jefferson 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 4 mph out of the south, gusting to 14 mph; surface pressure near 773 hPa on an unstable trend; 0.00 inches of rain; and air temperature near 37 °F with fog dominant. Confidence in this cached read is low; it was generated October 26, 2026, 9:52 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, 9:52 AM UTCBUCKET 2026-10-26ENGINE 0.7.0

Conditions at a glance

Wind
4mph

S · gust 14

Rain / Weather
0in

Fog

Temp
37°F

3°C · hum 98%

Pressure
22.83inHg

Unstable

7-Day Fishing Forecast

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

  1. Mon · Oct 26
    Window passed
    MAYBE
    A front passing through
    45° / 34°F
    4 mph · Sgust 14
    0.34 in
    ↓ -8.2 hPa
  2. Tue · Oct 27
    12 PM → 4 PM
    MAYBE
    A front passing through
    54° / 41°F
    6 mph · SEgust 24
    0.00 in
    ↓ -3.2 hPa
  3. Wed · Oct 28
    6 AM → 10 AM
    MAYBE
    A front passing through
    57° / 39°F
    7 mph · Wgust 7
    0.00 in
    ↑ +5.4 hPa
  4. Thu · Oct 29
    4 AM → 8 AM
    MAYBE
    A front passing through
    55° / 39°F
    6 mph · Wgust 6
    0.00 in
    ↓ +1.1 hPa
  5. Fri · Oct 30
    4 AM → 8 AM
    MAYBE
    A front passing through
    54° / 41°F
    5 mph · Wgust 5
    0.00 in
    ↓ -2.6 hPa
  6. Sat · Oct 31
    4 AM → 8 AM
    MAYBE
    A front passing through
    57° / 39°F
    7 mph · Wgust 6
    0.00 in
    ↓ -3.2 hPa
  7. Sun · Nov 1
    4 AM → 8 AM
    MAYBE
    A front passing through
    52° / 41°F
    7 mph · Wgust 7
    0.13 in
    ↓ +1.6 hPa

Last 3 days

Recent context — what just happened

Pressure
Unstable
+14.2 hPa over 72h
Rain
Light rain
0.07 in totallast 72h
Wind
Gusty
8 mph · gust 32 · SE
Temperature
Cooler
-17.8°F over 72h68–34°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.

Ralston Reservoir Fishing Forecast - 7-Day Windows (CO)