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    Warnings - Boise

    World / United States / Idaho / Boise

    43°36'N / 116°12'W / Altitude 823 m / 18:21 2026/07/15, America/Boise (UTC-6)

    other

    Red Flag Warning issued July 15 at 1:14PM MDT until July 16 at 9:00PM MDT by NWS Boise ID

    From: 2026/07/16, 12:00
    To: 2026/07/16, 15:00

    ...SCATTERED THUNDERSTORMS OVER SOUTHWEST IDAHO ZONES THURSDAY AFTERNOON AND EVENING... .Scattered thunderstorms are expected across southwestern Idaho Thursday afternoon. Expect gusty and erratic winds of 45-60 mph in the vicinity of these thunderstorms. The National Weather Service in Boise has issued a Red Flag Warning for lightning, which is in effect from noon to 9 PM MDT Thursday. * AFFECTED AREA...In Idaho, Fire Weather Zones 420 Treasure Valley BLM, 423 Owyhee Mountains, 424 Western Twin Falls BLM and 426 Southern Highlands. * TIMING...From noon to 9 PM MDT Thursday. * THUNDERSTORMS...Scattered coverage with abundant lightning. * OUTFLOW WINDS...Gusty erratic winds to 45-60 mph. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

    • Ada,Treasure Valley BLM
    • A Red Flag Warning means that critical fire weather conditions are either occurring now, or will occur shortly.
    • NWS Boise ID
    • 2026/07/15, 13:14
    temperature

    Heat Advisory issued July 15 at 12:43PM MDT until July 16 at 9:00PM MDT by NWS Boise ID

    From: 2026/07/16, 12:00
    To: 2026/07/16, 15:00

    * WHAT...Temperatures up to 103 expected. * WHERE...Idaho and Oregon Treasure Valley zones and the Upper Weiser River zone. * WHEN...From noon MDT /11 AM PDT/ to 9 PM MDT /8 PM PDT/ Thursday. * IMPACTS...Hot temperatures may cause heat illnesses, especially for the young, elderly, and animals.

    • Ada,Upper Treasure Valley
    • Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
    • NWS Boise ID
    • 2026/07/15, 12:43