808
FXUS65 KBOI 070001
AFDBOI
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BOISE ID
601 PM MDT WED MAY 6 2026
UPDATE
UPDATED AVIATION DISCUSSION.
KEY MESSAGES
- CONTINUED WARM, DRY, AND BREEZY THROUGH FRIDAY.
- DRY COLD FRONT FRIDAY AFTERNOON LEADING TO SLIGHT COOLING
SATURDAY.
- WARMING TREND SUNDAY THROUGH TUESDAY AND STAYING HOT AND DRY
THROUGH THE WEEK.
SHORT TERM /THROUGH FRIDAY NIGHT/
ISSUED 213 PM MDT WED MAY 6 2026
WARM, DRY WEATHER WILL CONTINUE THE NEXT SEVERAL DAYS DUE TO A
NEARLY STATIONARY RIDGE OF HIGH PRESSURE ALOFT ALONG THE COAST.
A FASTER-MOVING UPPER TROUGH IN THE MID PACIFIC WILL WEAKEN AS
IT MOVES EASTWARD THROUGH THE RIDGE AND INTO OUR AREA FRIDAY
EVENING. A DRY COLD WILL PASS THROUGH OUR CWA FRIDAY AFTERNOON.
THURSDAY AND FRIDAY SHOULD BE 2-4 DEGREES WARMER THAN TODAY.
DAYTIME WINDS THURSDAY AND FRIDAY WILL BE FROM THE WEST OR
NORTHWEST 10-20 MPH WITH AFTERNOON GUSTS 25-30 MPH (IN THE
SNAKE BASIN). NIGHTTIME WINDS WILL BE WEST OR NORTHWEST 4 TO 8
MPH, WITH ENOUGH MIXING TO KEEP LOW TEMPERATURES NEAR NORMAL.
LONG TERM /SATURDAY THROUGH WEDNESDAY/
ISSUED 213 PM MDT WED MAY 6 2026
SLIGHTLY COOLER TEMPERATURES ON SATURDAY WILL GIVE WAY TO A
PROLONGED PERIOD OF HOT AND DRY CONDITIONS AS AN UPPER RIDGE
BUILDS OVER THE WESTERN US. TEMPERATURES WILL RISE TO 15 TO 20
DEGREES ABOVE NORMAL BY SUNDAY, WITH HIGHS OF 85 TO 90 DEGREES
IN THE SNAKE BASIN AND IN SOUTHEAST OREGON. THIS WILL BUMP
HEATRISK LEVELS INTO THE MINOR CATEGORY - PRIMARILY AFFECTING
THOSE WHO ARE EXTREMELY SENSITIVE TO HEAT AND WITHOUT
COOLING/HYDRATION.
AVIATION /00Z THURSDAY THROUGH FRIDAY/
ISSUED 559 PM MDT WED MAY 6 2026
VFR WITH INCREASING MID-LEVEL CLOUDS TONIGHT. SURFACE WINDS:
W-NW 5-15 KT WITH GUSTS TO 20 KT, BECOMING SW-NW 5-10 KT
OVERNIGHT. GUSTS TO 30 KT EXPECTED AFTER THU/16Z AT KTWF/KJER.
WINDS ALOFT AT 10KFT MSL: W-NW 15-30 KT.
KBOI...VFR. SURFACE WINDS: NW 5-12 KT.
BOI WATCHES/WARNINGS/ADVISORIES
ID...NONE.
OR...NONE.
WWW.WEATHER.GOV/BOISE
INTERACT WITH US VIA SOCIAL MEDIA:
WWW.FACEBOOK.COM/NWSBOISE
WWW.X.COM/NWSBOISE
AVIATION.....JM
SHORT TERM...LC
LONG TERM....JR
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