Flash Flood Warning Issued for South Central Coos County, NH

Source: NOAA · Northern New Hampshire

This alert is no longer in effect.

NOAA issued it on August 8, 2026, 2 weeks 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 Gray ME has issued a Flash Flood Warning for South Central Coos County in northern New Hampshire until 9:30 PM EDT on August 8 due to thunderstorms producing heavy rain.

Read this weather record in 30 seconds

Record type
Flash Flood Warning
Affected area
Northern New Hampshire
Issued
August 8, 2026
Issuing authority
NWS Gray ME

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 2 weeks ago; use the issuing agency's live warning service for current conditions in Northern New Hampshire.

Alert Details

Flash Flood Warning issued by NWS Gray ME. Effective from August 8 at 7:22 PM EDT until August 8 at 9:30 PM EDT. Severity: Severe. Urgency: Immediate. Certainty: Likely.

Affected Areas

South Central Coos County in northern New Hampshire, including Gorham, Jefferson, and Randolph.

What You Should Do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Campers and hikers should avoid streams or creeks.

Expected Conditions

At 7:22 PM EDT, gauge reports indicated thunderstorms producing heavy rain across the warned area. Between 2 and 2.5 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are possible. Flash flooding is ongoing or expected to begin shortly.

Timeline

The warning is in effect from 7:22 PM EDT to 9:30 PM EDT on August 8, 2026.

Original source: NOAA Official Notice ↗

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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.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Gray ME has issued a Flash Flood Warning for South Central Coos County in northern New Hampshire until 9:30 PM EDT on August 8 due to thunderstorms producing heavy rain.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Northern New Hampshire. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.