WWUS75 KBOI 220234
NPWBOI

URGENT - WEATHER MESSAGE
National Weather Service Boise ID
834 PM MDT Fri Aug 21 2026

IDZ012-014-016-ORZ064-220345-
/O.CAN.KBOI.WI.Y.0012.000000T0000Z-260822T0400Z/
/O.EXP.KBOI.HT.Y.0007.000000T0000Z-260822T0300Z/
Lower Treasure Valley-Upper Treasure Valley-Western Magic Valley-
Oregon Lower Treasure Valley-
Including the cities of Twin Falls, Nyssa, Nampa, Boise, Caldwell,
and Ontario
834 PM MDT Fri Aug 21 2026 /734 PM PDT Fri Aug 21 2026/

...WIND ADVISORY IS CANCELLED...
...HEAT ADVISORY WILL EXPIRE AT 9 PM MDT /8 PM PDT/ THIS EVENING...

Wind has diminished across the area so the advisory was cancelled.

$$

IDZ015-029-030-220345-
/O.CAN.KBOI.WI.Y.0012.000000T0000Z-260822T0400Z/
Southwest Highlands-Owyhee Mountains-Southern Twin  Falls County-
Including the cities of Murphy Hot Springs, Grasmere, Three Creek,
Silver City, Hollister, Rogerson, Riddle, and Reynolds
834 PM MDT Fri Aug 21 2026

...WIND ADVISORY IS CANCELLED...

Wind has diminished across the area so the advisory was cancelled.

$$

IDZ033-220345-
/O.EXP.KBOI.HT.Y.0007.000000T0000Z-260822T0300Z/
Upper Weiser River-
Including the cities of Indian Valley, Cambridge, Goodrich,
Fruitvale, Council, Glendale, and Mesa
834 PM MDT Fri Aug 21 2026

...HEAT ADVISORY WILL EXPIRE AT 9 PM MDT THIS EVENING...

Prolonged heat has ended so the advisory was allowed to expire.

$$

JDS