textproduct: Boise

This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.

LONG TERM...Sunday through Thursday

Steady cooling through the period and continued wet as a Pacific upper trough moves slowly inland. That means gradually lowering snow levels, almost to the lower valley floors by Thursday.

AVIATION

Precipitation spreading from S-N through the day. Mountains becoming obscured with widespread MVFR conditions in lowering ceilings and reduced visibility, with areas of IFR/LIFR conditions after 18Z. A 30% chance of freezing rain in the valleys of southeastern Oregon 15-21Z, and again tonight after 02Z. Snow Level rising to 4-8 kft MSL (highest south) by 00z. Surface winds: Variable less than 10kt. Winds aloft at 10kft MSL: SW 10-20 kt.

KBOI...Rain spreading south to north after 19Z with ceilings becoming MVFR, then IFR after 04Z. Surface winds: Southeast less than 8 kt.

Weekend Outlook...Conditions improving to VFR Friday through Saturday, expect fog possible early Saturday morning. Rain spreading west to east again Saturday night and Sunday.

BOI WATCHES/WARNINGS/ADVISORIES

ID...None. OR...Winter Weather Advisory from 8 AM MST /7 AM PST/ this morning to 5 AM MST /4 AM PST/ Friday ORZ061-063. Winter Weather Advisory from 10 PM this evening to 4 AM PST Friday ORZ062.

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