Flood Warning Issued for Lower Koyukuk Valley
This alert is no longer in effect.
NOAA issued it on May 17, 2026, 3 months 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.
A Flood Warning is in effect until 10 PM AKDT Sunday for the Lower Koyukuk Valley due to flooding caused by an ice jam on the Koyukuk River near Hughes.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Lower Koyukuk Valley, Alaska
- Issued
- May 17, 2026
- Issuing authority
- NWS Fairbanks AK
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 3 months ago; use the issuing agency's live warning service for current conditions in Lower Koyukuk Valley, Alaska.
Alert Details
A Flood Warning has been issued by the National Weather Service Fairbanks AK. The alert is effective from May 9 at 10:02 PM AKDT until May 10 at 10:00 PM AKDT.
Affected Areas
The warning covers the Lower Koyukuk Valley, including areas along the Koyukuk River near Hughes.
What You Should Do
Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. Avoid the affected area.
Expected Conditions
Flooding caused by an ice jam is occurring. Impounding water due to the ice jam has caused water level rises leading to flooding of poor drainage areas.
Timeline
The alert is in effect until 10:00 PM AKDT on May 10, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
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 (719 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 17, 2026.
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Common questions about this NWS weather alert.