Idaho State Alert and Warning System (ISAWS)
Fire Weather Watch issued June 18 at 8:05AM MDT until June 20 at 12:00PM MDT by NWS Boise ID
Headline
Fire Weather Watch issued June 18 at 8:05AM MDT until June 20 at 12:00PM MDT by NWS Boise ID
Description
...FIRE WEATHER WATCH FOR LIGHTNING...
.An upper trough from the Pacific is forecast inland across
northern California Friday, southeast Oregon Friday night, and
southwest Idaho overnight through 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 should be wetter, especially
in Idaho.
The National Weather Service in Boise has issued a Fire Weather
Watch for lightning, which is in effect from Friday evening
through Saturday morning.
* AFFECTED AREA...In Idaho, Fire Weather Zones 423 Owyhee
Mountains and 426 Southern Highlands.
* TIMING...From Friday evening through Saturday morning.
* THUNDERSTORMS...Scattered coverage with abundant lightning.
* OUTFLOW WINDS...Gusty erratic winds up to 45 mph.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
Instructions
A Fire Weather Watch means that critical fire weather conditions
are possible. Listen for later forecasts and possible Red Flag
Warnings.
Additional Details
| Type | Alert |
| Phenomena | Fire Weather |
| Severity | Watch |
| Event Code | NWS |
| Area | Owyhee Mountains; Southern Highlands |
| Sent | Thursday, June 18, 2026 8:05 AM MDT |
| Expires | Thursday, June 18, 2026 6:00 PM MDT |
| Sender | NWS Boise ID |
| Id | urn:oid:2.49.0.1.840.0.51e564f91db44e588e7d2470b9c1f5e9008b1169.002.1 |