IDAHO FALLS — The only severe weather advisory for Friday, April 21, is the continued flood warning on the Portneuf River.
The river is still a foot above flood stage at 9.8 feet. Minor flooding is occurring along its banks. Water is expected to rise above 10 feet by midnight Friday causing moderate flooding.
Significant flooding of agricultural land will occur near the Inkom and Blackrock area. Lowland flooding will occur along sections of the river in Pocatello from the Portnuef Gap to the Cheyenne Avenue Bridge and downstream of the concrete channel beginning at Sacajawea Park.
Additionally, a flood advisory is still in effect for the Bear River in Bear Lake County. The river, and surrounding streams remain elevated and are slightly above their banks from Montpelier to the Wyoming State Line. Some minor field and dirt road flooding is occurring near Pegram and Dingle.
No major road closures have been reported as of 8 a.m. Friday.
Difficult road conditions are being reported on Idaho Highway 33 between Driggs and the Wyoming State Line. Slush and snow are on the roadway, according to the Idaho Transportation Department.
Blowing dust and reduced visibility is also being reported on Interstate 15, north of Idaho Falls.
Construction on northbound Interstate 15 between exit 72 (Chubbuck) and exit 80 (Fort Hall) has been reduced to one lane due to bridge maintenance. Expect delays and reduced speed of 65 mph through May 12.
Idaho Falls, Rigby and Rexburg
It’ll be partly sunny today with isolated rain showers in the afternoon. Highs of 46 to 54 degrees are expected with southwest winds of 10 to 15 mph. It’ll be clear at night with lows of 23 to 30 degrees and decreasing winds.
Pocatello and Blackfoot
The Lower Snake River Plain will be partly sunny today with isolated showers in the afternoon. Highs of 44 to 53 degrees are expected with west winds of 10 to 15 mph. At night there will be decreasing cloud cover and lows of 22 to 29 degrees. Wind speeds with drop to below 10 mph.
St. Anthony, Ashton, Island Park, Driggs and Victor
It’s going to be mostly cloudy in the Upper Valley and Teton Valley today. There is a slight chance of rain and snow showers throughout the day with highs of 41 to 48 degrees. The clouds will remain at night with a continued chance of rain or snow. Lows of 24 to 31 degrees are expected.
Arco, Challis and Mackay
The Lost Rivers area will be mostly sunny today with isolated rain and snow showers in the afternoon. Highs of 43 to 53 degrees are expected. It’ll be clear at night with lows of 19 to 29 degrees.
Henry, Soda Springs, Downey and Lava Hot Springs
The Caribou Highlands will be partly sunny today with a slight chance of snow showers in the morning and rain in the afternoon. Highs of 40 to 50 degrees are expected. It’ll be cloudy at night with a continued chance of snow and lows of 19 to 28 degrees.
Bill Schiess, EastIdahoNews.com columnist
Emily Lowe, Idaho Press-Tribune
Natalia Hepworth, EastIdahoNews.com