Headline:
Red Flag Warning issued June 18 at 12:57PM MDT until June 20 at 6:00AM MDT by NWS Boise ID
Event:
Red Flag Warning
Urgency:
Expected
Effective:
June 18, 2026 - 11:57am
Expires:
June 19, 2026 - 8:00am
Description:
...RED FLAG WARNING FOR LIGHTNING...
.An upper trough from the Pacific is forecast to move into
southeast Oregon beginning Friday afternoon, then across
southwest Idaho Friday night into Saturday. The trough will bring
a 30 to 60 percent chance of thunderstorms with potential for new
fire starts due to lightning. Initial storms may be dry with
strong gusty outflow winds, especially in southeast Oregon, but
storms overnight through Saturday will gradually trend wetter as
they spread into Idaho.
The National Weather Service in Boise has issued a Red Flag
Warning for lightning, which is in effect from 1 PM Friday to
5 AM PDT Saturday. The Fire Weather Watch is no longer in effect.
* AFFECTED AREA...In Oregon, Fire Weather Zones 670 Burns BLM
and 672 Southern Grasslands.
* TIMING...From 1 PM Friday to 5 AM PDT Saturday.
* THUNDERSTORMS...Scattered coverage with abundant lightning.
* OUTFLOW WINDS...Gusty erratic winds up to 50 mph.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
Instruction:
A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will occur shortly.
Area Description:
Burns BLM; Southern Grasslands
Forcast Office:
NWS Boise ID
Sender: