Future

Responsive action SHOULD be taken in the near future

Montana Severe Flash Flood Watch | Effective 08/13/2026 21:05

* WHAT...Flash flooding and debris flows caused by excessive rainfall are possible over the Bobcat Lakes and Sand Creek burn scars in the Pioneer Mountains. * WHERE...The Pioneer Mountain range. * WHEN...From Friday afternoon through Friday evening. * IMPACTS...Heavy rainfall over the Pioneer Mountains is possible during the period of the watch. Residents near the fires and burn scars should prepare for potential debris flow. Be sure to stay up to date with information from local authorities. Heavy rainfall

Montana Severe Flash Flood Watch | Effective 08/13/2026 21:05

* WHAT...Flash flooding and debris flows caused by excessive rainfall are possible over the Bobcat Lakes and Sand Creek burn scars in the Pioneer Mountains. * WHERE...The Pioneer Mountain range. * WHEN...From Friday afternoon through Friday evening. * IMPACTS...Heavy rainfall over the Pioneer Mountains is possible during the period of the watch. Residents near the fires and burn scars should prepare for potential debris flow. Be sure to stay up to date with information from local authorities. Heavy rainfall

Colorado Severe Flood Watch | Effective 08/13/2026 20:38

The Flood Watch will expire for portions of east central and northeast Colorado, including the following areas, in east central Colorado, North and Northeast Elbert County Below 6000 Feet/North Lincoln County and Southeast Elbert County Below 6000 Feet/South Lincoln County. In northeast Colorado, Central and East Adams and Arapahoe Counties, Morgan County and Washington County. The flooding threat has ended. Therefore, the Flood Watch will expire at 10 PM MDT this evening.

Colorado Severe Flood Watch | Effective 08/13/2026 20:38

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of northeast Colorado, including the following areas, Logan County and Northeast Weld County. * WHEN...Until midnight MDT tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Strong thunderstorms with heavy rainfall will be possible in the Watch area this afternoon and evening. Rainfall rates may reach 1

Idaho Severe Flash Flood Watch | Effective 08/13/2026 20:43

* WHAT...Flash flooding and debris flows caused by excessive rainfall continue to be possible over the Wapiti burn scar. * WHERE...A portion of central Idaho, including the following area, Sawtooth/Stanley Basin. * WHEN...From Friday afternoon through Saturday evening. * IMPACTS...Heavy rainfall over the Wapiti burn scar is expected during the period of the watch. Anyone in or near the Wapiti burn scar should prepare for potential debris flow moving through the

Idaho Severe Flash Flood Watch | Effective 08/13/2026 20:43

* WHAT...Flash flooding and debris flows caused by excessive rainfall continue to be possible over the Big Rock burn scar. * WHERE...A portion of southeast Idaho, including the following area, Upper Snake River Plain. * WHEN...From Friday afternoon through Friday evening. * IMPACTS...Heavy rainfall over the Big Rock burn scar is expected during the period of the watch. Anyone in or near the Big Rock burn scar should prepare for potential debris flow moving through the

Severe Tropical Storm Watch | Effective 08/13/2026 20:01

* WHAT...For the Small Craft Advisory, northeast winds 15 to 25 kt with gusts up to 35 kt and seas 6 to 9 feet. For the Tropical Storm Watch, northeast winds 30 to 40 kt with gusts up to 55 kt and seas 7 to 12 feet. * WHERE...Maalaea Bay and Pailolo Channel. * WHEN...For the Small Craft Advisory, until 6 AM HST Saturday. For the Tropical Storm Watch, 6 AM Saturday through 6 AM Sunday. * IMPACTS...Very strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.

Severe Tropical Storm Watch | Effective 08/13/2026 20:01

* WHAT...For the Small Craft Advisory, east winds 15 to 25 kt with gusts up to 30 kt and seas 8 to 13 feet expected. For the Tropical Storm Watch, east winds 30 to 40 kt with gusts up to 55 kt and seas 10 to 15 feet. * WHERE...Kaiwi Channel and Maui County Windward Waters. * WHEN...For the Small Craft Advisory, until 6 AM HST Saturday. For the Tropical Storm Watch, 6 AM Saturday through 6 AM Sunday. * IMPACTS...Very strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility.

Severe Tropical Storm Watch | Effective 08/13/2026 20:01

* WHAT...Northeast winds 35 to 45 kt with gusts up to 65 kt and seas 16 to 21 feet. * WHERE...Maui County Leeward Waters. * WHEN...6 AM Saturday through 6 AM Sunday. * IMPACTS...Very strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas.
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