Winter Storm Warning
2026-02-19T22:00:00-08:00

* WHAT...Heavy snow with additional snow accumulations up to 1 foot between 1000 and 3000 feet, 2 to 3 feet above 3000 feet, and up to 4 feet at peaks. Light snowfall accumulations up to 2 inches below 1000 feet in Shasta and Tehama Counties. Winds gusting as high 45 to 55 mph. * WHERE...Portions of Northern California, now including elevations below 1000 ft in Shasta and Tehama Counties * WHEN...Until 10 PM PST Thursday. * IMPACTS...Dangerous to near impossible travel conditions with chain controls and road closures. Additional power outages from downed trees and power lines. Low visibility due to a combination of gusty wind and heavy snow. * ADDITIONAL DETAILS...Snow levels remain around 1500 to 2500 feet through Thursday in the Sierra Foothills with potential to see snow levels as low as 1000 feet. Snow levels potentially down to 300 feet along the southern Cascades, Shasta County, and Tehama County in the morning hours.

Greenwood To Mammoth Bar Paddle Report

Paddle Report

California

Last Updated: 2023-06-13

The Greenwood to Mammoth Bar river run in California is a Class II-III run that spans approximately 9 miles.

Summary

The river features several obstacles including a few Class III rapids, small drops, and rocky sections. The best time of year to float this section of water is from April to June when the water flow ranges from 800-1200 cfs. This section is not recommended for beginners and requires intermediate to advanced paddling skills.

°F

mph

Wind

%

Humidity

15-Day Weather Outlook

River Run Details

Last Updated	2023-06-13
River Levels	1390 cfs (1.86 ft)
Percent of Normal	200%
Optimal Range	750-3000 cfs
Status	Runnable
Class Level	II to II+
Elevation	717 ft
Run Length	7.0 Mi
Gradient	12 FPM
Streamflow Discharge	1150 cfs
Gauge Height	1.7 ft
Reporting Streamgage	USGS 11427000

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Winter Storm Warning
Until 2026-02-19T16:15:00-08:00 • National Weather Service
* WHAT...Heavy snow with additional snow accumulations up to 1 foot between 1000 and 3000 feet, 2 to 3 feet above 3000 feet, and up to 4 feet at peaks. Light snowfall accumulations up to 2 inches below 1000 feet in Shasta and Tehama Counties. Winds gusting as high 45 to 55 mph. * WHERE...Portions of Northern California, now including elevations below 1000 ft in Shasta and Tehama Counties * WHEN...Until 10 PM PST Thursday. * IMPACTS...Dangerous to near impossible travel conditions with chain controls and road closures. Additional power outages from downed trees and power lines. Low visibility due to a combination of gusty wind and heavy snow. * ADDITIONAL DETAILS...Snow levels remain around 1500 to 2500 feet through Thursday in the Sierra Foothills with potential to see snow levels as low as 1000 feet. Snow levels potentially down to 300 feet along the southern Cascades, Shasta County, and Tehama County in the morning hours.

GREENWOOD TO MAMMOTH BAR

Paddle Report • Streamflow Levels • Weather Forecast

February 19, 2026

Last Updated	2023-06-13
River Levels	1390 cfs (1.86 ft)
Percent of Normal	200%
Optimal Range	750-3000 cfs
Status	Runnable
Class Level	II to II+
Elevation	717 ft
Run Length	7.0 Mi
Gradient	12 FPM
Streamflow Discharge	1150 cfs
Gauge Height	1.7 ft
Reporting Streamgage	Nf American R A North Fork Dam Ca USGS 11427000

Realtime River Levels

Nf American R A North Fork Dam Ca
USGS 11427000

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5-Day Hourly Forecast Detail

Nearby Streamflow Levels

Nf American R A North Fork Dam Ca 1150.0cfs	1150cfs
Pilot C Bl Mutton Canyon Nr Georgetown Ca 2.4cfs	2cfs
Pilot C Ab Stumpy Meadows Res Ca 2.7cfs	3cfs
Deer C Nr Cameron Park Ca 7.8cfs	8cfs
Dry C A Vernon St Bridge A Roseville Ca 159cfs	159cfs
Deer C Nr Smartville Ca 299.0cfs	299cfs