Chalk Reservoir

Grant County, OR

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 Chalk 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).

Next forecast window
MAYBE

Tue · Oct 27, 4 AM → 8 AM (America/Los_Angeles)

Full read

The latest cached fishing-weather read for Chalk Reservoir in Grant County, OR 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 southwest, gusting to 11 mph; surface pressure near 834 hPa on a rising trend; 0.00 inches of rain; and air temperature near 34 °F with overcast dominant. Confidence in this cached read is low; it was generated October 26, 2026, 9:53 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, 9:53 AM UTCBUCKET 2026-10-26ENGINE 0.7.0

Conditions at a glance

Wind
4mph

SW · gust 11

Rain / Weather
0in

Overcast

Temp
34°F

1°C · hum 69%

Pressure
24.63inHg

Rising

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
    41° / 32°F
    4 mph · SWgust 22
    0.17 in
    ↑ +5.5 hPa
  2. Tue · Oct 27
    4 AM → 8 AM
    MAYBE
    A front passing through
    41° / 30°F
    6 mph · Wgust 23
    0.09 in
    ↓ -2.3 hPa
  3. Wed · Oct 28
    4 AM → 8 AM
    MAYBE
    A front passing through
    45° / 25°F
    4 mph · Wgust 17
    0.00 in
    ↓ -0.9 hPa
  4. Thu · Oct 29
    8 AM → 12 PM
    MAYBE
    A front passing through
    48° / 32°F
    3 mph · Egust 13
    0.00 in
    ↓ -7.8 hPa
  5. Fri · Oct 30
    8 AM → 12 PM
    MAYBE
    A front passing through
    46° / 32°F
    4 mph · SWgust 14
    0.00 in
    ↑ +5.6 hPa
  6. Sat · Oct 31
    7 AM → 11 AM
    MAYBE
    A front passing through
    45° / 28°F
    4 mph · SEgust 23
    0.01 in
    ↓ +2.5 hPa
  7. Sun · Nov 1
    4 AM → 8 AM
    MAYBE
    A front passing through
    43° / 28°F
    4 mph · Wgust 14
    0.00 in
    ↑ +7.0 hPa

Last 3 days

Recent context — what just happened

Pressure
Rising
+8.1 hPa over 72h
Rain
Dry stretch
0.00 in totallast 72h
Wind
Gusty
7 mph · gust 34 · W
Temperature
Cooler
-2.2°F over 72h50–21°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.