Moderate

At 816 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 14 miles northwest of Great Salt Lake North of the Causeway to 19 miles north of Delle. Movement was northeast at 50 mph. HAZARD...Wind gusts of 50 to 55 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Howell, Great Salt Lake North of the Causeway, Promontory, and Golden Spike Historic Site.

At 818 PM MDT, Doppler radar was tracking a line of showers and thunderstorms extending from 16 miles south of Harlowton to 12 miles southwest of Big Timber, moving east at 40 mph. HAZARD...Wind gusts of 40 to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Big Timber, Greycliff, Reed Point, Melville, Rapelje and Mc Leod. Monitor the weather situation closely and be alert for threatening weather conditions.

At 1019 PM EDT, Doppler radar was tracking a cluster of strong thunderstorms over Tower Hill, or near Bent Creek, moving southwest at 15 mph. HAZARD...Wind gusts up to 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Appomattox... Bent Creek... Concord... Appomattox National Historic Park... Stonewall... Oakville... and Spout Spring.

At 823 PM MDT, Doppler radar was tracking a strong thunderstorm near Teton, or near Rexburg, moving northeast at 30 mph. HAZARD...Wind gusts in excess of 35 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to outdoor objects is possible. Locations impacted include... Rexburg, Ashton, Felt, Marysville, Sugar City, Teton, Tetonia, Drummond, Archer, St Anthony, Chester, Ashton Reservoir, Warm River,

* WHAT...Hot daytime conditions with high temperatures between 95 and 105 common. * WHERE...San Luis Obispo County Interior Valleys, San Luis Obispo County Mountains, Santa Lucia Mountains, and Southern Salinas Valley. * WHEN...Until 8 PM PDT Friday. * IMPACTS...There is a high risk for dangerous heat illness for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors. Drink plenty of fluids, stay in an air-conditioned room, stay out of

* WHAT...For the Wind Advisory, northerly winds 20 to 30 mph with gusts up to 45 mph. Local gusts to 60 mph possible at high elevations. For the Extreme Heat Warning, hot daytime conditions with high temperatures between 100 and 110 common. Warm overnight conditions will bring less relief than usual. * WHERE...Santa Ynez Mountains Eastern Range and Santa Ynez Mountains Western Range. * WHEN...For the Wind Advisory, until 1 AM PDT Friday. For the Extreme Heat Warning, until 8 PM PDT Friday.

* WHAT...Hot daytime conditions with high temperatures between 90 and 100 common. * WHERE...San Luis Obispo County Inland Central Coast, Santa Barbara County Inland Central Coast, and Santa Ynez Valley. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Hot temperatures may cause heat illnesses. 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. Limit strenuous activities

* WHAT...For the Wind Advisory, northerly winds 20 to 30 mph with gusts up to 45 mph. For the Extreme Heat Warning, dangerously hot conditions with high temperatures of 92 to 102 common. * WHERE...Santa Barbara County Southwestern Coast. * WHEN...For the Wind Advisory, until 1 AM PDT Friday. For the Extreme Heat Warning, until 8 PM PDT Friday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old,

At 1025 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Belington to near Rock Cave. Movement was southeast at 20 mph. HAZARD...Wind gusts up to 50 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Elkins, Belington, Mill Creek, Dailey, Beverly, Junior, Womelsdorf

The National Weather Service in Tucson has issued a * Dust Advisory for... North Central Pima County in southeastern Arizona... South Central Pinal County in southeastern Arizona... * Until 830 PM MST. * At 727 PM MST, an area of blowing dust was located over Pinal Airpark, moving northwest at 10 mph. HAZARD...Less than one half mile visibility. SOURCE...Radar indicated. IMPACT...Hazardous travel. * Locations impacted include... Marana, Eloy, Avra Valley, Picacho, Picacho Peak State Park, Pinal Airpark, Red Rock and Dove Mountain.