Hydrologic Outlook issued February 24 at 11:43AM MST by NWS Riverton WY
ESFRIW Low elevation snowpack of around 2 to 8 inches exists across much of the northern portion of the Bighorn Basin including mountain foothills. This snowpack contains an estimated 1 to 3 inches of Snow Water Equivalent (SWE). Temperatures are expected to be in mid-30s to around 40 degrees Monday through Wednesday. Warmer temperatures occur Thursday through Sunday (Feb 27 - Mar 2). The upcoming warm temperatures, combined with the low elevation snowpack, could result in melting and injection into local rivers and streams. Ice break up on the Bighorn and Nowood Rivers is possible as well, and could lead
Flood Warning issued February 24 at 3:08PM MST until February 26 at 12:00AM MST by NWS Boise ID
...The Flood Warning continues for the following rivers in Oregon... Malheur River Near Vale affecting Malheur County. .Recent rain and snowmelt have increased flows in rivers and streams across Malheur County. For the Malheur River...including Vale...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Malheur River near Vale. * WHEN...Until early Wednesday morning. * IMPACTS...At 20.5 feet, Flooding of some county roads near the river will occur, including Westfall Road near Harper. * ADDITIONAL DETAILS... - At 2:30 PM MST Monday /1:30 PM PST Monday/ the stage was 17.7 feet. - Bankfull stage is 19.0 feet. - Forecast...The river
High Wind Watch issued February 24 at 1:05PM MST until February 25 at 11:00PM MST by NWS Cheyenne WY
* WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Northern Sioux County, Scotts Bluff County, and Southern Sioux County. * WHEN...Through Tuesday evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers. In addition, areas of blowing snow could lead to reduced visibility, even whiteout conditions, and slick roads.
High Wind Warning issued February 24 at 8:12PM MST until February 25 at 11:00PM MST by NWS Great Falls MT
* WHAT...West winds 35 to 45 mph with gusts up to 75 mph expected. * WHERE...The Rocky Mountain Front and adjacent foothills and plains, Eastern Glacier, Western Toole, and Central Pondera Counties, and Upper Blackfoot and MacDonald Pass. * WHEN...From 2 AM to 11 PM MST Tuesday. * IMPACTS...High winds may move loose debris, damage property and cause isolated power outages. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest winds are forecast along the immediate eastern slopes of the Rocky Mountain Front.
High Wind Warning issued February 24 at 8:12PM MST until February 25 at 8:00PM MST by NWS Great Falls MT
* WHAT...West winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Judith Basin County and Judith Gap. * WHEN...From 5 AM to 8 PM MST Tuesday. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles.
Flood Advisory issued February 24 at 7:57PM MST until February 25 at 5:00PM MST by NWS Great Falls MT
* WHAT...Flooding caused by snowmelt is expected. * WHERE...A portion of north central Montana, including the following counties, Chouteau, Hill, Liberty, Pondera and Toole. * WHEN...Until 500 PM MST Tuesday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 710 PM MST, emergency management reported snowmelt in the advisory area with some impacts to roads. Overflowing poor drainage areas will cause additional minor flooding in the advisory area. - Significant low elevation snow still exists across eastern Pondera county and much of Liberty and Toole counties, which is likely to melt through
Flood Advisory issued February 24 at 6:01PM MST until February 25 at 5:00PM MST by NWS Great Falls MT
* WHAT...Flooding caused by snowmelt is occurring. * WHERE...A portion of central Montana, including the following counties, Fergus and Judith Basin. * WHEN...Until 500 PM MST Tuesday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams. * ADDITIONAL DETAILS... - At 548 PM MST, emergency management and highway departments have reported snowmelt flooding in the advisory affecting some roads and areas of poor drainage. - Mild temperatures will lead to additional snowmelt, particularly across western portions of Fergus county and northeast portions of Judith Basin county where there is a lingering but diminishing low elevation snowpack.
Flood Advisory issued February 24 at 3:12PM MST until February 25 at 2:45PM MST by NWS Glasgow MT
* WHAT...Urban and small stream flooding caused by rain and snowmelt is expected. * WHERE...Much of northeast Montana. * WHEN...Until 245 PM MST Tuesday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams due to snowmelt runoff. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS... - At 245 PM MST, Public reports indicated snowmelt runoff about 8 miles east of Vida. Similar concern across northeast Montana in the advisory areas. This will cause urban, poor- drainage, low-lying, and small stream flooding. - Some locations that will experience flooding
Winter Weather Advisory issued February 24 at 12:54PM MST until February 25 at 8:00AM MST by NWS Missoula MT
* WHAT...Snow expected. Likelihood of minor impacts from snow is up to 60 percent. Total snow accumulations up to two inches. Winds gusting as high as 45 mph. * WHERE...Butte, Homestake Pass, MacDonald Pass, Highway 12 Garrison to Elliston, and Georgetown Lake. * WHEN...From 11 PM this evening to 8 AM MST Tuesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning commute, especially over higher passes. * ADDITIONAL DETAILS...A strong cold front will bring an intense band of snow and gusty winds after midnight.
Flood Advisory issued February 24 at 11:47AM MST until February 25 at 6:00PM MST by NWS Great Falls MT
* WHAT...Flooding caused by snowmelt is occurring. * WHERE...A portion of north central Montana, including the following counties, Blaine, Chouteau and Hill. * WHEN...Until 600 PM MST Tuesday. * IMPACTS...Minor flooding from rises in small streams and creeks draining from the Bears Paw Mountains. Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 1135 AM MST, emergency management and gauge reports noted snowmelt flooding in the advisory area. Minor flooding is ongoing and expected to continue as a significant amount of snow has yet to melt at elevations above 4500 feet in the Bears Paw Mountains.