Expected

* AFFECTED AREA...Fire Weather Zone 481 Western Ashley National Forest, Fire Weather Zone 483 Southern Ashley National Forest, Fire Weather Zone 484 Tavaputs Plateau and Fire Weather Zone 498 Grand Staircase. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...5 to 10 percent. Little to no overnight recovery will occur. * IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly.

* AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell. * WINDS...Northwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...5 to 10 percent. Little to no overnight recovery will occur. * IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly. A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of southeast Pennsylvania, including the following counties, Bucks and Montgomery. * WHEN...Until 800 AM EDT. * IMPACTS...It will take several hours for all the water from these storms to work through local drainage systems in portions of the warned area. * ADDITIONAL DETAILS... - At 624 AM EDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Flooding is

* WHAT...Very warm daytime conditions with high temperatures between 95 and 105 common, except locally up to 108 in the hottest locations. * WHERE...Northern Ventura County Mountains. * WHEN...From 10 AM this morning to 8 PM PDT Tuesday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Heat hazards may extend into next week for portions of the region.

* WHAT...Dangerously hot conditions with temperatures 100 to 110. * WHERE...Antelope Valley and nearby foothills. * WHEN...Until 8 PM PDT Wednesday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Heat hazards may extend into next week for portions of the region. Drink plenty of fluids, stay in an air-conditioned room, stay out of

* WHAT...Hot daytime conditions with high temperatures between 95 and 105 common. * WHERE...The Cuyama Valley. * WHEN...From 10 AM this morning to 8 PM PDT Tuesday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Heat hazards may extend into next week for portions of the region. Drink plenty of fluids, stay in an air-conditioned room, stay out of

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT THIS EVENING DUE TO GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FALL RIVER COUNTY AREA, NORTHERN FOOT HILLS, EASTERN FOOT HILLS, CUSTER COUNTY PLAINS, PINE RIDGE AREA, BUTTE COUNTY AREA, PERKINS COUNTY, WEST CENTRAL PLAINS, ZIEBACH COUNTY, HAAKON COUNTY AREA, BADLANDS AREA, BENNETT COUNTY AREA, AND WESTON COUNTY PLAINS... * AFFECTED AREA...Fire Weather Zones 317, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, and 333.

While a cold front continues to move southward across the region, the threat for this wind shift to come with strong winds and gusts has decreased. Hence, the Red Flag Warning will be allowed to expire at 3 AM MDT.

The National Weather Service in Billings has issued a Red Flag Warning...which is in effect until 9 PM MDT this evening. * IMPACTS: Low humidities and strong gusty winds will create erratic fire behavior. * AFFECTED AREA: In Southeast MT and Northwest SD Fire Zone...133. * COUNTIES AFFECTED: In Northwest SD...Harding. In Southeast MT...Carter...Fallon. * WIND: North 15 to 30 mph with gusts up to 40 mph. * HUMIDITY: As low as 20 percent. * TEMPERATURES: Lower 80s.

* WHAT...Dangerously hot conditions with high temperatures in the 90s to near 100 expected. * WHERE...San Diego County Mountains. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.