Sidney, MT Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth and road condition may be unsafe. Additional information is available at https://water.weather.gov/ahps2/ Stay tuned for further updates by listening to NOAA weather radio... or your local radio and TV stations.

Winter Storm Warning issued May 8 at 2:16PM MDT until May 9 at 12:00AM MDT by NWS Great Falls MT

* WHAT...Heavy wet snow. Additional snow accumulations up to 5 inches. Winds gusting as high as 35 mph. * WHERE...Big Belt, Bridger and Castle Mountains. * WHEN...Until midnight MDT tonight. * IMPACTS...Roads, and especially bridges and overpasses, are likely snow covered and hazardous. Blowing snow will significantly reduce visibility. Winds may cause further power outages.

Winter Storm Warning issued May 8 at 2:16PM MDT until May 9 at 12:00AM MDT by NWS Great Falls MT

* WHAT...Heavy Wet Snow. Additional snow accumulations up to 6 inches. Winds gusting as high as 35 mph. * WHERE...Little Belt Mountains. * WHEN...Until midnight MDT tonight. * IMPACTS...Travel could be very difficult to impossible and tire chains may be required for some vehicles. Those in the backcountry should ensure they have appropriate knowledge and gear and may want to consider alternate plans. Widespread blowing snow will significantly reduce visibility. Strong winds could cause extensive damage to trees and power lines.

Winter Storm Warning issued May 8 at 2:16PM MDT until May 9 at 12:00AM MDT by NWS Great Falls MT

* WHAT...Heavy snow. Additional snow accumulations between 6 and 11 inches, with another 2 to 5 inches on mountain passes and foothills. Winds gusting as high as 45 mph will cause blowing snow. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until midnight MDT tonight. * IMPACTS...Roads, and especially bridges and overpasses, are likely snow covered and hazardous. Blowing snow will significantly reduce visibility. Winds may cause further power outages.

Winter Storm Warning issued May 8 at 2:16PM MDT until May 9 at 12:00AM MDT by NWS Great Falls MT

* WHAT...Heavy snow. Additional snow accumulations 1 to 3 inches in the mountains, with up to 2 inches on mountain passes and foothills. Winds gusting as high as 45 mph will cause blowing snow. * WHERE...Snowy and Judith Mountains. * WHEN...Until midnight MDT tonight. * IMPACTS...Roads, and especially bridges and overpasses, are likely snow covered and hazardous. Blowing snow will significantly reduce visibility. Winds may cause further power outages.

Winter Weather Advisory issued May 8 at 2:16PM MDT until May 9 at 12:00AM MDT by NWS Great Falls MT

* WHAT...Snow. Additional snow accumulations up to 3 inches. Winds gusting as high as 35 mph. * WHERE...Southern Rocky Mountain Front. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility.

Winter Weather Advisory issued May 8 at 2:16PM MDT until May 9 at 12:00AM MDT by NWS Great Falls MT

* WHAT...Wet snow. Additional snowfall of 1 to 3 inches. Most of the snow accumulations will occur on grassy areas. * WHERE...Gallatin Valley and Madison River Valley. Snowfall will be much lighter for areas west of the city of Belgrade. * WHEN...Until midnight MDT tonight. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

Winter Storm Warning issued May 8 at 1:13PM MDT until May 9 at 12:00PM MDT by NWS Billings MT

* WHAT...Heavy snow. Additional snow accumulations between 8 and 14 inches expected, with locally higher amounts over north facing slopes. * WHERE...In Montana, Absaroka/Beartooth Mountains, Crazy Mountains, and Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...Until noon MDT Thursday. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow. Travel will be very difficult to impossible. Widespread blowing snow will significantly reduce visibility. * ADDITIONAL DETAILS...Heavy snow will continue through tonight before decreasing Thursday morning.

Flood Warning issued May 8 at 12:17PM MDT until May 10 at 10:00AM MDT by NWS Great Falls MT

...Forecast flooding changed from Moderate to Major severity and increased in duration for the following rivers in Montana... Clear Creek at Chinook affecting Blaine County. For the Clear Creek...including Chinook...Major flooding is forecast. * WHAT...Moderate flooding is occurring and major flooding is forecast. * WHERE...Clear Creek at Chinook. * WHEN...Until late Friday morning. * IMPACTS...At 8.0 feet water is about 2 to 3 feet deep in corrals along Clear Creek. * ADDITIONAL DETAILS... - At 11:30 AM MDT Wednesday the stage was 8.0 feet. - Bankfull stage is 10.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:30 AM MDT Wednesday was 8.0 feet. - Forecast...The river is expected to rise to a crest of 8.2 feet this evening. It will then fall below flood stage early Friday morning. - Flood stage is 5.5 feet. - Flood History...This crest compares to a previous crest of 8.2 feet on 09/25/1986. - http://www.weather.gov/safety/flood

Flood Advisory issued May 8 at 10:03AM MDT until May 9 at 12:00PM MDT by NWS Great Falls MT

* WHAT...Flooding caused by rain and snowmelt continues. * WHERE...Portions of central and north central Montana, including the following counties, in central Montana, Fergus. In north central Montana, Blaine, Chouteau and Hill. * WHEN...Until noon MDT Thursday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 1001 AM MDT, Doppler radar and automated rain gauges indicated rain and snowmelt. Minor flooding is already occurring in the advisory area. Between 2 and 7 inches of rain have fallen. - Additional rainfall amounts of 0.1 to 0.4 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Havre, Hays, Bears Paw Mountains and many small streams and creeks in Hill, Blaine and Choteau counties. - http://www.weather.gov/safety/flood

Lake Wind Advisory issued May 8 at 2:03AM MDT until May 8 at 6:00PM MDT by NWS Glasgow MT

* WHAT...Northeast winds 15 to 25 mph with gusts up to 35 mph expected. * WHERE...Fort Peck Lake. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft.