DAILY FORECAST: Cloudy with rain, snow and continued flooding
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IDAHO FALLS — Snow, rain and flooding are in the forecast for Monday, March 27.
A winter weather advisory has been issued in Lemhi County. Between 1 and 3 inches of snow is expected to fall in southern Montana and in Lemhi County. The storm warning expires this afternoon.
Flood conditions remain throughout eastern Idaho.
The Bear River in Bear Lake County has risen to above flood stage, measuring at 8.8 feet. The rising water, caused by snowmelt and runoff, has necessitated dam releases at Soda Springs and Grace. As a result, extensive flooding along streams and across fields and low lying areas is occurring along the Bear River west of Niter, to Thatcher, to Riverdale and Preston, and southward to the Idaho/Utah border.
Additionally, high flows are impacting Pegram, Dingle, Ovid, Saint Charles and Fish Haven. Widespread flooding across fields and low lying areas continues and numerous flooded basements across the area have been reported. Roads near Pegram also have been damaged by water flowing over the road.
Minor flooding is occurring near Carey and Picabo. Water continues to flow across several rural roads. Flooding is affecting several basements. Ditches, streams, and creeks across the advisory area remain full and flooding along creeks and low lying areas is expected to continue.
The Portneuf River in Pocatello is measuring 9.3 feet and minor flooding is occurring along its banks. The river is expected to rise to 10.2 feet by Friday night, causing moderate to significant flooding of nearby agricultural land.
Minor flooding is occurring in the Chesterfield and Pebble area. Water from the Portneuf River and King Creek are spilling into nearby fields. At this time, roads and homes are not affected.
Marsh Creek is at full capacity from McCammon to Inkom, with lowland and agricultural flooding ongoing just south of Inkom.
Rapid Creek in Inkom is also at full capacity and has reached the bottom of the bridge at Idaho Highway 15. Several homes are threatened along this creek, with sandbagging in progress.
The National Weather Service says snowmelt is causing flooding on U.S. Route 191 north of Malad between Devils Creek Reservoir and Power House Road. Water has also been reported on State Highway 36 between Interstate 15 and Deep Creek Reservoir.
With more precipitation in the forecast and snowmelt and runoff continuing, flooding along creeks and streams and across fields and low lying areas is expected to continue and may increase over the next several days.
The following cities remain under a flood watch until Monday afternoon: Burley, Rupert, Heyburn, Stanley, Clayton, St. Anthony, Ashton, Island Park, Driggs, Victor, Malad City, Oakley, Rockland, Henry, Soda Springs, Downey, Lava Hot Springs, Preston, Montpelier, Hailey, Ketchum, Bellevue, Arco, Challis and Mackay.
ROAD REPORT
No major road closures are being reported as of 8 a.m. Monday.
The Idaho Transportation Department is reporting difficult road conditions on U.S. Highway 20 from St. Anthony to the Montana border. Slush, rain and wet pavement are being reported.
Difficult conditions are also being reported on Idaho Highway 31 and Idaho Highway 32 near the Wyoming border due to slush and snow on the roadway.
SEE YOUR COMPLETE EASTIDAHONEWS.COM 10-DAY FORECAST HERE
DAILY FORECAST:
Idaho Falls, Rigby, Rexburg
The Upper Snake River Plain will be mostly cloudy with a slight chance of rain or snow in the morning. There is a slight chance of thunderstorms in the afternoon. Highs of 40 to 50 degrees are expected with southwest winds of 10 to 15 mph. At night there is a 50 percent chance of rain with lows of 23 to 32 degrees and northwest winds of 10 to 20 mph.
Pocatello and Blackfoot
The Lower Snake River Plain will be mostly cloudy today with a 20 percent chance of rain throughout the day. Temperatures will reach between 41 to 49 degrees with south winds of 10 mph. It will be cloudy at night with a continued chance for rain. Lows of 25 to 32 degrees are expected with winds between 10 to 20 mph.
St. Anthony, Ashton, Island Park, Driggs and Victor
The Upper Valley and Teton Valley will be mostly cloudy with a chance of snow and rain showers throughout the day. Up to 2 inches of snow could fall during the day. Thunderstorms are possible in the afternoon with highs of 41 to 49 degrees. Rain and snow are likely to continue at night with lows of 23 to 30 degrees.
Arco, Challis and Mackay
The Lost River area will see mostly clouds today with a chance of snow or rain showers throughout the day. Thunderstorms are possible in the afternoon. Snow accumulation of 2 to 3 inches is possible with highs of 32 to 39 degrees. Snow will continue at night with up to 2 inches possible and lows between 21 to 28.
Henry, Soda Springs, Downey and Lava Hot Springs
There is a chance for snow and rain showers in the Caribou Highlands today. Thunderstorms are possible in the afternoon with highs of 39 to 48 degrees. At night up to 2 inches of snow is likely. Temperatures will drop to between 25 to 32 degrees.
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