Expected

* WHAT...Dangerously hot conditions. High temperatures between 100 and 105 degrees expected. * WHERE...Gallatin Valley and Madison River Valley. * WHEN...From noon Saturday to 3 AM MDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Drink plenty of fluids, stay in an air-conditioned room, stay out of

* WHAT...West winds 30 to 40 mph, with gusts up to 60 mph possible. Isolated wind gusts up to 75 mph along the immediate eastern slopes of the Rocky Mountain Front. * WHERE...East Glacier Park Region Zone, and Northern High Plains. * WHEN...From 6 PM Saturday to noon MDT Sunday. * IMPACTS...Damaging winds will blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Recreationists should be aware of any trees that could fall while establishing camps or hiking.

...CRITICAL FIRE WEATHER CONCERNS THIS WEEKEND... The National Weather Service in Glasgow has issued a Red Flag Warning, which is in effect from 2 PM Saturday to 9 PM MDT Sunday. The Fire Weather Watch is no longer in effect. * WIND...Southeast winds on Saturday turning to Northwest Sunday with speeds at 15-25 mph with gusts to 35 mph. * HUMIDITY...8-20%, 20-35% Fire Weather Zone 120. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

The National Weather Service in Great Falls has issued a Red Flag Warning for hot temperatures, gusty winds, and low relative humidity, which is in effect from 2 PM Saturday to 9PM MDT Sunday. * AFFECTED AREA...Eastern Glacier/Toole/Central/Eastern Pondera/Liberty, Hill and Blaine Counties, Lewis and Clark National Forest Rocky Mountain District-Rocky Mountain Front, Chouteau and Fergus Counties, Lincoln Ranger District of the Helena National Forest, Central and Eastern Lewis and Clark

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with temperatures up to 104 expected. For the Lake Wind Advisory, west winds 15 to 25 mph with gusts up to 30 mph expected. * WHERE...For the Extreme Heat Warning, McCone County. For the Lake Wind Advisory, Fort Peck Lake. * WHEN...For the Extreme Heat Warning, from noon Saturday to 6 PM MDT Sunday. For the Lake Wind Advisory, from 6 PM Saturday to 6 PM MDT Sunday. * IMPACTS...Strong winds and rough waves on area lakes will create

* WHAT...Dangerously hot conditions with temperatures up to 108 expected. * WHERE...Northern Phillips, Northern Valley, and Southwest Phillips Counties. * WHEN...From noon Saturday to noon MDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 108 expected. For the Lake Wind Advisory, west winds 15 to 25 mph with gusts up to 35 mph expected. * WHERE...For the Extreme Heat Warning, Central and Southeast Phillips, Central and Southern Valley, Garfield, and Petroleum Counties. For the Lake Wind Advisory, Fort Peck Lake. * WHEN...For the Extreme Heat Warning, from noon Saturday to noon MDT Sunday. For the Lake Wind Advisory, from 6 PM Saturday to 6 PM MDT Sunday.

* WHAT...Dangerously hot conditions with temperatures up to 104 expected. * WHERE...Daniels, Dawson, Roosevelt, Prairie, Richland, Sheridan, and Wibaux Counties. * WHEN...From noon Saturday to 6 PM MDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car

* WHAT...Dangerously hot conditions with temperatures of 95 to 110 expected. * WHERE...A large portion of southwest California including the coastal ranges and adjacent foothills, as well as the coastal valleys. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * 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...Dangerously hot conditions with temperatures of 105 to 112 expected. * WHERE...Antelope Valley, Eastern Antelope Valley Foothills, and Western Antelope Valley Foothills. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * 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 the sun, and check up on relatives and neighbors.