Severe

* WHAT...For the Extreme Heat Warning, dangerously hot overnight conditions with temperatures around 70. For the Lake Wind Advisory, northwest winds 15 to 25 mph with gusts up to 35 mph. * WHERE...Central and Southeast Phillips, Central and Southern Valley, Garfield, and Petroleum Counties including Fort Peck Lake. * WHEN...For the Extreme Heat Warning, until noon MDT today. For the Lake Wind Advisory, until 6 PM MDT this evening. * IMPACTS...Strong winds and rough waves on area lakes will create

* WHAT...For the Extreme Heat Warning, dangerously hot overnight conditions with temperatures in the low 70s. For the Lake Wind Advisory, northwest winds 10 to 20 mph with gusts up to 35 mph. * WHERE...McCone County including Fort Peck Lake. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. Heat related illnesses increase significantly during extreme heat and high humidity events.

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 AM EDT THIS MORNING FOR NORTHEASTERN SURRY COUNTY... At 306 AM EDT, severe flash flooding continues as several creeks and rivers are well out of their banks and continue to rise due to runoff from very heavy rain earlier this evening. This resulted in numerous water rescues in the Mt. Airy and Pilot Mountain areas earlier in the night. The Ararat River continues to rise extremely quickly, with the river in Mt. Airy above major flood stage,

...CRITICAL FIRE WEATHER CONCERNS THIS WEEKEND... * WIND...West to northwest winds with speeds at 15 to 25 mph with gusts to 35 mph. * HUMIDITY...minimum relative humidity ranging 8 to 20%. * 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.

* IMPACTS: Low humidities, hot temperatures, gusty winds, and wind shifts with two cold fronts will create erratic fire behavior. * AFFECTED AREA: In North Central WY Fire Zones...274...284. In South Central MT Fire Zones...123...124...125...126...127 128...129. In Southeast MT Fire Zones...130...131...132. In Southeast MT and Northwest SD Fire Zone...133. * COUNTIES AFFECTED: In Central MT...Golden Valley...Musselshell...Wheatland.

* WHAT...Dangerously hot and humid conditions. Afternoon temperatures 109 to 116. Major to Extreme Heat Risk. * WHERE...The Phoenix metropolitan area. * WHEN...Until 8 PM MST Tuesday. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death. * ADDITIONAL DETAILS...In Maricopa County, Call 2-1-1 to find a free cooling center, transportation, water and more. https://www.maricopa.gov/heat

* WHAT...Dangerously hot and humid conditions. Afternoon temperatures 107 to 119. Major to Extreme Heat Risk. * WHERE...Western and Southern Imperial County, including the Imperial Valley and Salton Sea. * WHEN...Until 8 PM PDT Tuesday. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death. An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to

* WHAT...Dangerously hot conditions. Afternoon temperatures 103 to 116. Major Heat Risk. * WHERE...Chuckwalla Mountains, Chocolate Mountains, Chiriaco Summit, and Joshua Tree NP. * WHEN...Until 8 PM PDT Monday. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death. An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to

* WHAT...Dangerously hot and humid conditions. Afternoon temperatures 110 to 118. Major to Extreme Heat Risk. * WHERE...Yuma, La Paz, and Eastern Riverside Counties, including the Colorado River Valley. * WHEN...Until 8 PM MST /8 PM PDT/ Tuesday. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death. An Extreme Heat Warning means that a period of very hot temperatures,

* WHAT...Dangerously hot and humid conditions. Afternoon temperatures 107 to 118. Major to Extreme Heat Risk. * WHERE...Mostly rural areas of Maricopa County and Northern Pinal County. * WHEN...Until 8 PM MST Tuesday. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death. * ADDITIONAL DETAILS...In Maricopa County, Call 2-1-1 to find a free cooling center, transportation, water and more. https://www.maricopa.gov/heat