Oregon Severe Red Flag Warning | Effective 06/18/2026 11:57
...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.