Severe

* AFFECTED AREA...Fire Weather Zone 478 Salt Lake Desert. * THUNDERSTORMS...Widely scattered dry thunderstorms are possible across northwest Utah Saturday afternoon and evening. * OUTFLOW WINDS...Gusty and erratic outflow winds in excess of 40 mph are possible near thunderstorms and areas of virga. A few gusts may approach 60 mph. * IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly. A Fire Weather Watch means that there is a potential for critical

* AFFECTED AREA...Fire Weather Zone 482 Western Uintah Basin, Fire Weather Zone 484 Tavaputs Plateau, Fire Weather Zone 488 Manti National Forest, Fire Weather Zone 489 San Rafael Swell, Fire Weather Zone 493 Central Utah Mountains, Fire Weather Zone 494 Henry Mountains, Fire Weather Zone 496 Color Country Mountains and Fire Weather Zone 498 Grand Staircase. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...Falling into the 7 to 12 percent range Saturday afternoon.

* AFFECTED AREA...Fire Weather Zone 497 Mojave Desert. * WINDS...Southwest 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...Falling to around 10 percent this afternoon. * 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 contribute to extreme fire behavior.

* AFFECTED AREA...Fire Weather Zone 492 Central Utah West Desert and Fire Weather Zone 495 Color Country West Desert. * WINDS...Southwest 15 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...Falling into the 9 to 12 percent range this afternoon. * 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

The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 9 PM MDT Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 211, 212, 213, 214, 217 and 218. * TIMING...From 11 AM to 9 PM MDT Saturday. * WINDS...West 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 9 percent. * IMPACTS...Conditions will be favorable for rapid fire spread.

At 1235 PM CDT, local law enforcement reported thunderstorms producing heavy rain across the warned area. Between 3 and 4.5 inches of rain have fallen. The Pike County Commission has reported that multiple roadways are impassable. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Law enforcement reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include...

At 1236 PM CDT, local law enforcement reported thunderstorms producing heavy rain across the warned area. Between 2 and 4 inches of rain have fallen. The Pike County Commission has reported that multiple roadways are impassable. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Law enforcement reported. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include...

The National Weather Service in Grand Junction has issued a Red Flag Warning for gusty winds, low relative humidity and dry fuels, which is in effect from noon to 10 PM MDT Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Colorado, Fire Weather Zone 200 Little Snake Forecast Area, Fire Weather Zone 201 Routt Forecast Area, Fire Weather Zone 202 White River Forecast Area, Fire Weather Zone 207 Southwest Colorado Lower Forecast Area, Fire

The National Weather Service in Grand Junction has issued a Red Flag Warning below 9000 feet for gusty winds, low relative humidity and dry fuels, which is in effect from noon to 10 PM MDT Saturday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Colorado, Fire Weather Zone 295 Southwest Colorado Upper East Forecast Area below 9000 feet. * TIMING...From noon to 10 PM MDT Saturday. * WINDS...Southwest 5 to 15 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...7 to 12 percent.