High pressure will control the western third of the United States for an extended period of time which means dry and quiet weather. Also with the high pressure system in place there will be a gradual warming trend across Southern Idaho. Afternoon highs today will reach the upper 40s to lower 50s across the valleys while mountain locations will see highs in the low to mid 40s with plenty of sunshine.

In the overnight hours there will be mostly clear to partly cloudy sky conditions which will allow lows to get pretty chilly, dropping down into the 20s.

Friday through Tuesday we’ll continue to see temperatures warming up. By Sunday highs will reach the lower 60s in the valleys and mid 50s in the mountains. Models aren’t in great agreement for the middle of next work week but it does look like temperatures will drop back down into the 40s and 50s by Wednesday.

Updated Thursday March 5th 11:05 a.m. MT - Meteorologist Jack Holland

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Your Weather Authority Forecast:

TODAY: Plenty of sunshine and warmer.
WINDS: SW 5-10 mph
HIGH: 52 (Mountains: 43)

TONIGHT: Mostly clear to partly cloudy and cool.
WINDS: SE 5-10 mph.
LOW: 25 (Mountains: 20)

FRIDAY: Sunny skies and nice.
HIGH: 58 (Mountains: 48)

SATURDAY: Sunny skies and warmer.
HIGH: 59 (Mountains: 52)

SUNDAY: Sunny and warm.
HIGH: 61 (Mountains: 53)

MONDAY: Sunny skies and warm.
HIGH: 62 (Mountains: 54)

TUESDAY: Sunny skies and mild.
HIGH: 61 (Mountains: 54)