Localized flooding a concern Monday in Southern Idaho

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TWIN FALLS, Idaho (KMVT/KSVT) Temperatures will continue to warm Sunday afternoon, Sunday night into Monday with temperatures above freezing into the middle 30s below 6000 feet. While snow will continue for areas in and around the Wood River Valley and around Fairfield and Carey the rest will start to see a complete change over to rain Sunday night into Monday.

A flood watch is in effect for all of the Mini-Cassia region from 6 pm Sunday until 4 pm Monday afternoon. There is also a flood risk for the Magic Valley Sunday night into Monday as well.

Rain amounts will range from a third of an inch to a half of inch of liquid precipitation (0.33” to 0.5”). This rain falling on what is nearly a foot of snow on the ground will cause localized flooding. Runoff from rainfall along with some melting of the snowpack could result in street flooding in urban areas, flooding of small streams, fields, and low-lying areas. Frozen soils will prevent runoff from soaking into the ground, and snow and ice- clogged gutters and storm drains will contribute to the flood potential.

If you can, try to remove snow and ice from drainage areas and make paths for water to flow into sewers and drainage areas.

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