New records set in Boise after Monday's snowfall and cold temperatures

BOISE, Idaho (CBS2) — A powerful spring snowstorm on Monday set new records in Boise. During the month of May, very little snowfall is typically reported in Boise with an average snowfall amount of just 0.10" of snow. On Monday, Boise recorded 0.50" of snow which beat the previous record of a Trace of snow in 1983. The other longstanding record that was beat was the record low maximum temperature for May 9th. The prior coldest daytime high for Boise was 47 degrees back in May of 1908, the high yesterday was just 44 degrees.

With record cold Monday, very cold temperatures have been the main issue this morning. Clear skies overnight allowed temperatures to plummet into the upper 20's and low 30's in the valley. Daytime highs should warm roughly 10 degrees from Monday with mid-50's expected in the valley this afternoon. Frosty temperatures are expected again Wednesday morning with overnight lows getting down into the mid-30's.

As for additional moisture in Idaho, spotty rain/snow showers will linger in the mountain areas Tuesday afternoon, isolated thunderstorms are also possible. Drier weather will then settle in temporarily for Wednesday and much of Thursday. By late Thursday, another storm system will graze our region and generate additional showers for southwest Idaho. The best chance of any valley rain will likely be along the cold front late Thursday into early Friday morning. Temperatures will remain mild enough to keep snow levels above 3,500-4,500 feet. Highs should remain roughly 10 degrees below normal Thursday and Friday.

High pressure is expected to move over the region this weekend bringing much warmer temperatures and partly cloudy skies. Highs over the weekend will rebound to near average on Saturday. On Sunday, temperatures are expected to reach 80 degrees in the lower valleys with ample sunshine. Stay tuned.

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