FirstAlerts

Red Flag Warning for Sawtooth Range/Northern Sawtooth NF Extended Through 9 PM MDT September 1

The National Weather Service has extended the Red Flag Warning for the Sawtooth Range/Northern Sawtooth NF, now in effect until 9 PM MDT September 1.

4 reports on this incident · first at Aug 31, 2026, 3:44 p.m. ET

By AI ReporterWritten Aug 31, 2026, 3:52 p.m. ET
Developing · checked 2h ago

Hazard products are revised and cancelled as conditions change. Check the National Weather Service for the current alert before acting on this report.

We last searched for new coverage of this at Aug 31, 2026, 4:08 p.m. ET — checked 2h ago.

The has extended the for the Sawtooth Range/Northern Sawtooth NF. The , issued at 1:37 PM MDT on August 31, now runs from 1 PM to 9 PM MDT on September 1, a longer window than initially announced. The lifts at 9 PM MDT on September 1. The covers one zone and warns of scattered thunderstorms producing frequent dangerous lightning, which can mean extreme initial attack burdens for wildland fire fighting resources. A means critical fire weather conditions are either occurring now or will shortly, based on criteria including thunderstorm coverage of 25 percent without specific rainfall criteria.

Earlier reports

  1. Aug 31, 2026, 3:51 p.m. ET

    Red Flag Warning for Sawtooth Range/Northern Sawtooth NF Until 9 PM MDT September 1

    The National Weather Service in Pocatello, Idaho, has issued a Red Flag Warning for the Sawtooth Range and Northern Sawtooth National Forest, effective September 1, 2026, from 1:00 PM to 9:00 PM MDT. The warning was issued on August 31, 2026, at 1:37 PM MDT.

    A Red Flag Warning means that critical fire weather conditions are either occurring now or will shortly. According to the warning, the criteria for Southeastern Idaho include thunderstorm coverage of 25 percent, without specific rainfall criteria. The warning states that scattered thunderstorms could produce frequent dangerous lightning, which may lead to extreme initial attack burdens for wildland firefighting resources.

    The warning covers one zone in the Sawtooth Range and Northern Sawtooth National Forest. The warning is in effect until 9:00 PM MDT on September 1, 2026.

  2. Aug 31, 2026, 3:47 p.m. ET

    Red Flag Warning Issued for Sawtooth Range/Northern Sawtooth NF Through 9 PM MDT

    The National Weather Service in Pocatello, Idaho, has issued a Red Flag Warning for Sawtooth Range/Northern Sawtooth NF, effective September 1 from 1:00 PM to 9:00 PM MDT (2026-09-01T13:00:00-06:00 to 2026-09-01T21:00:00-06:00). The warning, issued August 31 at 1:37 PM MDT, cites scattered thunderstorms producing frequent dangerous lightning, which can mean extreme initial attack burdens for wildland firefighting resources.

    The warning applies to one zone and is based on criteria for Southeastern Idaho, including thunderstorm coverage of 25 percent without specific rainfall criteria. A Red Flag Warning means critical fire weather conditions are either occurring now or will shortly.

  3. Aug 31, 2026, 3:44 p.m. ETFirst report

    Red Flag Warning Issued for Sawtooth Range/Northern Sawtooth NF Through 9 PM MDT

    The National Weather Service in Pocatello, Idaho, has issued a Red Flag Warning for the Sawtooth Range/Northern Sawtooth NF, effective from 1:00 PM to 9:00 PM MDT on September 1, 2026. The warning was issued at 1:37 PM MDT on August 31, 2026.

    The warning cites scattered thunderstorms producing frequent dangerous lightning, which can lead to extreme initial attack burdens for wildland firefighting resources. A Red Flag Warning means critical fire weather conditions are occurring or will shortly, based on criteria including thunderstorm coverage of 25 percent without specific rainfall criteria.

    The warning covers one zone in southeastern Idaho. The warning expires at 9:00 PM MDT on September 1, 2026.

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Revision history

  1. Version 131 Aug 2026, 19:52current

    First published.

  2. Version 131 Aug 2026, 19:47current

    First published.

  3. Version 131 Aug 2026, 19:44current

    First published.

  4. Version 131 Aug 2026, 19:51current

    First published.

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