Station Name: Sun River at Simms MT
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 3,550 feet

Nearest Address:
99 Simms Fairfield Rd
Simms, MT 59477
Cascade County

GPS Coordinates: 47.50162778, -111.9319139

Nearby Water Temperatures

Winter Storm Watch issued March 30 at 10:33PM MDT until April 3 at 6:00AM MDT by NWS Great Falls MT

Effective: Mon March 30, 2026, 10:33 PM
Expires: Tue March 31, 2026, 5:15 PM

* WHAT...Heavy, wet snow possible. Total snow accumulations between 7 and 14 inches possible at and above pass level with 3 to 7 inches at lower elevations. Winds could gust as high as 40 mph. * WHERE...Elkhorn and Boulder Mountains, Upper Blackfoot and MacDonald Pass, Southern Rocky Mountain Front, and Northwest Beaverhead County. * WHEN...From Thursday morning through late Thursday night. * IMPACTS...Slushy snow covered roads and significantly reduced visibility at times may make travel very difficult. Tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. * ADDITIONAL DETAILS...The combination of heavy, wet snow and winds may cause power outages and tree damage.

Monitor the latest forecasts for updates on this situation. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock.

Winter Storm Watch issued March 31 at 12:51PM MDT until April 3 at 6:00AM MDT by NWS Great Falls MT

Effective: Tue March 31, 2026, 12:51 PM
Expires: Wed April 1, 2026, 6:15 AM

* WHAT...Heavy, wet snow possible. Total snow accumulations between 7 and 14 inches possible at and above pass level with 3 to 7 inches at lower elevations. Winds could gust as high as 40 mph. * WHERE...Elkhorn and Boulder Mountains, Upper Blackfoot and MacDonald Pass, Southern Rocky Mountain Front, and Northwest Beaverhead County. * WHEN...From Thursday morning through late Thursday night. * IMPACTS...Slushy snow covered roads and significantly reduced visibility at times may make travel very difficult. Tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. * ADDITIONAL DETAILS...The combination of heavy, wet snow and winds may cause power outages and tree damage.

Monitor the latest forecasts for updates on this situation. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock.

Winter Storm Watch issued March 30 at 10:33PM MDT until April 3 at 12:00PM MDT by NWS Great Falls MT

Effective: Mon March 30, 2026, 10:33 PM
Expires: Tue March 31, 2026, 5:15 PM

* WHAT...Heavy, wet snow possible. Total snow accumulations between 4 and 8 inches possible at elevations below 5,000 feet and 8 to 16 inches possible above 5,000 feet. Winds could gust as high as 40 mph. * WHERE...Portions of central, north central, and southwest Montana. * WHEN...From Thursday afternoon through Friday morning. * IMPACTS...Slushy snow covered roads and significantly reduced visibility at times may make travel very difficult. The hazardous conditions could impact the Thursday evening and Friday morning commutes. Those in the backcountry should ensure they are prepared for dangerous conditions. * ADDITIONAL DETAILS...The combination of heavy, wet snow and winds may cause power outages and tree damage.

Monitor the latest forecasts for updates on this situation. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock.

Winter Storm Watch issued March 31 at 12:51PM MDT until April 3 at 12:00PM MDT by NWS Great Falls MT

Effective: Tue March 31, 2026, 12:51 PM
Expires: Wed April 1, 2026, 6:15 AM

* WHAT...Heavy, wet snow possible. Total snow accumulations between 4 and 8 inches possible at elevations below 5,000 feet and 8 to 16 inches possible above 5,000 feet. Winds could gust as high as 40 mph. * WHERE...Portions of central, north central, and southwest Montana. * WHEN...From Thursday afternoon through Friday morning. * IMPACTS...Slushy snow covered roads and significantly reduced visibility at times may make travel very difficult. The hazardous conditions could impact the Thursday evening and Friday morning commutes. Those in the backcountry should ensure they are prepared for dangerous conditions. * ADDITIONAL DETAILS...The combination of heavy, wet snow and winds may cause power outages and tree damage.

Monitor the latest forecasts for updates on this situation. To see a graphical representation of the degree of stress on young livestock please visit our webpage and select Local Programs then Cold Air Advisory for Newborn Livestock.