Merced River At Happy Isles Bridge

Near Yosemite USGS: 11264500 Provisional Data Last Updated: May 11, 09:44 PM Pacific Daylight Time

Current Flow

1,430 cfs

Flow Conditions Normal Flow Is Rising

Water Temp

55.2 °F

Safe (< 65°F)

Expected Weather

Temp --°F

Wind -- mph

Rain Chance --%

Pressure -- hPa

Location

Historical context for today's date: 25th–75th Percentile — typical for this time of year

System Insights

Typical seasonal flows. Ideal for most activities.

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

Today's Weather

Forecast Details

Morning

At 6 AM: 61°F and Mainly Clear, wind S at 10 mph. By 10 AM: 79°F and Clear, wind N at 4 mph.

Afternoon/Evening

At 2 PM: 83°F and Clear, wind W at 14 mph. By 6 PM: 79°F and Clear, wind W at 10 mph.

Overnight

Dropping from 69°F at 10 PM to 63°F by 4 AM. Conditions Clear with wind S at 8 mph.

3-Day Outlook

🌘 Waning Crescent

Today, May 11

⛈️

83° / 61°

Chance of Rain: 1%

🌅 5:51 AM 🌇 7:57 PM

Tuesday, May 12

☁️

85° / 63°

Chance of Rain: 3%

🌅 5:50 AM 🌇 7:58 PM

Wednesday, May 13

☁️

70° / 56°

Chance of Rain: 4%

🌅 5:49 AM 🌇 7:59 PM

7-Day Flow History

Source: USGS

Current (CFS)

Historical Median

Normal Range (p25–p75)

7-Day Water Temperature (°F)