Winter Weather Advisory
2026-04-16T09:00:00-06:00

* WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations between 4 and 8 inches for Lolo and Lost Trail Passes, with 7 to 14 inches above 6,000 feet in the higher terrain. * WHERE...Highway 93 Sula to Lost Trail Pass and Lolo Pass. * WHEN...From 3 PM Wednesday to 9 AM MDT Thursday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Wednesday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...An elevated risk exists for snow squalls to produce poor visibility and gusty winds as the front arrives late Wednesday afternoon into the evening.

Paddle Report

Montana

Last Updated: 2025-06-28

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Rock Creek is a popular river run for whitewater enthusiasts in the state of Montana.

Summary

The ideal streamflow range for this run is between 800-2000 cfs, which typically occurs in the late spring and early summer months. The segment mileage for this run is approximately 10 miles, with a class rating of III-IV.

Specific river rapids and obstacles on Rock Creek include House Rock, a large boulder in the middle of the river that requires precise navigation, and the Staircase, a series of drops and chutes that require technical maneuvering. Other notable rapids include Fang, Thunderbolt, and Big Rock.

There are specific regulations in place for the Rock Creek area, including a permit requirement for commercial outfitters and a limit on the number of launches per day. In addition, boaters are required to follow Leave No Trace principles and pack out all trash and waste.

Regional Streamflow Levels

Middle Fork Rock Cr Nr Philipsburg Mt 311.0cfs	311cfs
Flint Creek Near Southern Cross Mt 20.6cfs	21cfs
Flint Creek At Maxville Mt 73.6cfs	74cfs
Boulder Creek At Maxville Mt 50.0cfs	50cfs
Flint Creek Near Drummond Mt 149.0cfs	149cfs
Clark Fork Near Drummond Mt 893.0cfs	893cfs

15-Day Long Term Forecast

River Run Details

Last Updated	2025-06-28
River Levels	485 cfs (3.01 ft)
Percent of Normal	51%
Status
Class Level	None
Elevation	ft
Streamflow Discharge	cfs
Gauge Height	ft
Reporting Streamgage	USGS 12332000

Explore Interactive Map

Winter Weather Advisory
Until 2026-04-16T09:00:00-06:00 • National Weather Service
* WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations between 4 and 8 inches for Lolo and Lost Trail Passes, with 7 to 14 inches above 6,000 feet in the higher terrain. * WHERE...Highway 93 Sula to Lost Trail Pass and Lolo Pass. * WHEN...From 3 PM Wednesday to 9 AM MDT Thursday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Wednesday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...An elevated risk exists for snow squalls to produce poor visibility and gusty winds as the front arrives late Wednesday afternoon into the evening.

ROCK CREEK

Paddle Report • Streamflow Levels • Weather Forecast

April 15, 2026

Last Updated	2025-06-28
River Levels	485 cfs (3.01 ft)
Percent of Normal	51%
Status
Class Level	None
Elevation	ft
Streamflow Discharge	cfs
Gauge Height	ft
Reporting Streamgage	USGS 12332000