Trinity River

At Lewiston USGS: 11525500 Provisional Data Last Updated: May 11, 09:00 PM Pacific Daylight Time

Current Flow

1,190 cfs

Flow Conditions Normal Flow Is Steady 25th–75th Percentile

Water Temp

50.0 °F

Safe (< 65°F)

Expected Weather

Temp --°F

Wind -- mph

Rain Chance --%

Pressure -- hPa

Location

System Insights

Typical seasonal flows. Ideal for most activities.
Real-time flow is running well above current model projections. On-the-ground conditions are outpacing the forecast.

Verify access, permits, and local conditions before entering any waterway.

Today's Weather

Forecast Details

Morning

At 6 AM: 55°F and Clear, wind NW at 2 mph. By 10 AM: 72°F and Mainly Clear, wind SW at 2 mph.

Afternoon/Evening

At 2 PM: 86°F and Clear, wind W at 3 mph. By 6 PM: 88°F and Clear, wind SE at 4 mph.

Overnight

Dropping from 74°F at 10 PM to 65°F by 4 AM. Conditions Overcast with wind NE at 7 mph.

3-Day Outlook

🌘 Waning Crescent

Today, May 11

☁️

89° / 54°

Chance of Rain: 1%

🌅 5:57 AM 🌇 8:17 PM

Tuesday, May 12

☁️

86° / 60°

Chance of Rain: 5%

🌅 5:56 AM 🌇 8:18 PM

Wednesday, May 13

🌤️

72° / 50°

Chance of Rain: 4%

🌅 5:55 AM 🌇 8:19 PM

Flow Trend & 7-Day Forecast

Source: USGS

Current (CFS)

7-Day Forecast

Historical Median

Normal Range

7-Day Water Temperature (°F)