textproduct: Boise

UPDATE

Updated aviation discussion.

KEY MESSAGES

- Warm and dry conditions through Friday with temperatures 5-10 degrees above normal.

- Dry cold front on Friday afternoon brings breezy conditions.

- Temperatures warming to 15-20 degrees above normal next Monday and Tuesday.

SHORT TERM /Through Friday Night/

Issued 415 AM MDT WED MAY 6 2026 A backdoor cold front has moved across the Snake Basin from eastern ID and has brought cooler temperatures, breezy conditions and drier air. The easterly winds will be shortlived as the northwest winds aloft mix down to the surface by this afternoon. Temperatures will be steady today with a few degrees of warming on Thursday and Friday as a ridge strengthens over the Pacific NW. A dry cold front will move through the area on Friday afternoon, bringing breezy conditions.

LONG TERM /Saturday through Wednesday/

Issued 415 AM MDT WED MAY 6 2026 Slightly cooler temperatures on Saturday behind the cold front. Then the upper level ridge redevelops over the western US, with the warmest temperatures of the season by next Monday and Tuesday. Temperatures rise 15 to 20 degrees above normal with highs of 85 to 90 degrees in the Snake Basin.

AVIATION /12Z Wednesday through Thursday/

Issued 623 AM MDT WED MAY 6 2026 VFR. Surface winds: E-SE 5-15 kt with gusts 20- 30 kt through the Snake Plain. Winds in the afternoon becoming W-NW 5-15 kt with gusts to 20 kt. Winds aloft at 10kft MSL: N 15-30 kt, becoming W-NW 15-25 kt after Wed/18Z.

KBOI...VFR. Surface winds: SE 8-15 kt with gusts 20-25 kt in the morning, becoming NW 7-12 kt in the afternoon.

BOI WATCHES/WARNINGS/ADVISORIES

ID...None.

OR...None.