Flash Flood Warning Issued for Northeastern Boise County, ID
This alert is no longer in effect.
NOAA issued it on August 16, 2026, 8 days ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Boise ID has issued a Flash Flood Warning for the Wapiti Fire burn scar in northeastern Boise County until 9:00 PM MDT.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Northeastern Boise County, Idaho
- Issued
- August 16, 2026
- Issuing authority
- NWS Boise ID
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 8 days ago; use the issuing agency's live warning service for current conditions in Northeastern Boise County, Idaho.
Alert Details
Flash Flood Warning issued by NWS Boise ID. Effective from 7:02 PM MDT August 15, 2026 until 9:00 PM MDT August 15, 2026.
Affected Areas
Northeastern Boise County in southwestern Idaho, including the Wapiti Fire burn scar and Grandjean.
What You Should Do
This is a life threatening situation. Move away from recently burned areas. If you encounter flood waters, climb to safety. Heavy rains will likely trigger rockslides, mudslides and debris flows in steep terrain.
Expected Conditions
Doppler radar indicated thunderstorms producing heavy rain over the Wapiti Fire Burn Scar. Up to 0.2 inches of rain have fallen. Expected rainfall rate is 0.5 to 1 inch in 1 hour. Additional rainfall amounts of 0.5 to 1 inch are possible. Excessive rainfall over the burn scar will result in debris flow consisting of rock, mud, vegetation and other loose materials.
Timeline
Alert effective immediately from 7:02 PM MDT until 9:00 PM MDT on August 15, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (980 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 16, 2026.
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