Severe

Significant threat to life or property

New Hampshire Flood Warning | Effective 05/15/2026 04:59

...The National Weather Service in Gray ME has issued a Flood Warning for the following rivers in New Hampshire... Pemigewasset River At Plymouth affecting Belknap and Grafton Counties. * WHAT...Minor flooding is forecast. * WHERE...Pemigewasset River at Plymouth. * WHEN...From this afternoon to late this afternoon. * IMPACTS...At 13.0 feet, Minor lowland flooding begins and water rises near the university parking lots. * ADDITIONAL DETAILS... - At 7:30 AM EDT Friday the stage was 12.8 feet.

Montana Red Flag Warning | Effective 05/15/2026 04:59

* AFFECTED AREA...Fire weather zones 120, 122, 134, 135, 136, and 137. * WIND...West 20 to 35 mph with gusts to 50 mph today. * HUMIDITY...As low as 20 percent today. * THUNDERSTORMS...Isolated thunderstorms north of HWY 2. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. Please advise the appropriate officials or fire crews in these areas of this Red Flag Warning.

Hawaii Flood Watch | Effective 05/15/2026 04:35

...FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON FOR MOST HAWAIIAN ISLANDS... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Niihau, Kauai, Oahu, Molokai, Lanai, Kahoolawe, and Maui. * WHEN...Through this afternoon. * IMPACTS...Flood prone roads and other low lying areas may be closed due to elevated runoff and overflowing streams. Urban areas may receive more significant flooding and property damage due to rapid runoff. * ADDITIONAL DETAILS...

California Fire Weather Watch | Effective 05/15/2026 03:39

* AFFECTED AREA...Fire weather zone 579 West Side Hills on the Coastal Range. Fire weather zone 580 San Joaquin Valley. * WIND...GUSTING TO 35 MPH SATURDAY AND SUNDAY * HUMIDITY...20% OR LESS SATURDAY AND SUNDAY THEN 15% OR LESS MONDAY * HIGHEST THREAT...FAST-MOVING GRASS FIRES * IMPACTS...any fires that develop will likely spread rapidly. Outdoor burning is not recommended. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

Wisconsin Red Flag Warning | Effective 05/15/2026 01:27

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED IN FAR NORTH CENTRAL WISCONSIN TODAY... .Southwest winds gusting 25 to 30 mph, low relative humidity, and warm temperatures will lead to critical fire weather conditions this afternoon and early evening across portions of far north central Wisconsin. Fires could spread quickly in these conditions. * AFFECTED AREA...Vilas. * TIMING...From noon today to 9 PM CDT this evening. * WINDS...Southwest 12 to 16 mph with gusts to 25 to 30 mph. * RELATIVE HUMIDITY...As low as 23 percent.

Minnesota, South Dakota Red Flag Warning | Effective 05/15/2026 01:38

* AFFECTED AREA...In Minnesota, Lincoln and Lyon. In South Dakota, Beadle, Kingsbury and Brookings. * WINDS...West 10 to 15 mph with gusts up to 25 mph. * RELATIVE HUMIDITY...As low as 17 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Minnesota Red Flag Warning | Effective 05/15/2026 01:03

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED TODAY... .Limited moisture associated with a passing cold front tonight will combine with strong northwest winds today to produce hazardous fire weather conditions. Forecast high temperatures are expected to reach the 80s area wide, leading to RH values falling below 20 percent. The winds are not expected to be quite as strong as Thursday, but look to remain high enough for critical fire weather. A Red Flag Warning

Wisconsin Red Flag Warning | Effective 05/15/2026 01:03

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED TODAY... .Limited moisture associated with a passing cold front tonight will combine with strong northwest winds today to produce hazardous fire weather conditions. Forecast high temperatures are expected to reach the 80s area wide, leading to RH values falling below 20 percent. The winds are not expected to be quite as strong as Thursday, but look to remain high enough for critical fire weather. A Red Flag Warning

New Mexico Fire Weather Watch | Effective 05/15/2026 01:09

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM MDT THIS EVENING DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE EAST CENTRAL PLAINS... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING DUE TO STRONG WINDS AND LOW RELATIVE HUMIDITY FOR THE EAST CENTRAL PLAINS, THE NORTHEAST PLAINS, MIDDLE RIO GRANDE VALLEY, NORTHEAST HIGHLANDS, AND CENTRAL HIGHLANDS... .Forecast wind speeds have trended stronger today, prompting the
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