Moderate

* WHAT...Visibility between one-quarter and one mile in blowing dust. * WHERE...Ochoco-John Day Highlands. * WHEN...Until 9 PM PDT this evening. * IMPACTS...Hazardous driving conditions due to reduced visibility. * ADDITIONAL DETAILS...A plume of dust coming off Summer Lake in Lake County is blowing northeast and is reducing visibility along US 20 in far southeast Deschutes County. Persons with respiratory problems should make preparations to stay indoors until the storm passes. Be ready for a sudden drop in

* WHAT...West winds 25 to 35 mph with gusts up to 55 mph. * WHERE...Eastern Columbia River Gorge of Oregon and Washington. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...Dangerous swimming conditions are expected due to high waves and strong rip currents. * WHERE...Beaches along Lake Michigan in Door, Kewaunee and Manitowoc Counties. * WHEN...Until 7 AM CDT Tuesday. * IMPACTS...Dangerous swimming conditions are expected. Strong currents can pull swimmers into deeper water and high waves can sweep people off piers. * ADDITIONAL DETAILS...Several beaches that will be most susceptible to the dangerous swimming conditions include...

At 805 PM MDT, Doppler radar was tracking a strong thunderstorm 7 miles south of Grant, moving northeast at 15 mph. HAZARD...Wind gusts up to 40 mph and penny 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... Grant. This includes Highway 61 between mile markers 57 and 69. If outdoors, consider seeking shelter inside a building.

At 810 PM MDT, Doppler radar was tracking a cluster of strong thunderstorms 9 miles northeast of Heart Butte, or 23 miles southwest of Cut Bank, moving north at 35 mph. HAZARD...Wind gusts of 45 to 55 mph, occasional lighting and brief rainfall. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Cut Bank, Browning, East Glacier Park Village, North Browning, Kiowa,

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Indian Wells Valley, Mojave Desert, and Mojave Desert Slopes. * WHEN...From 11 PM this evening to 11 AM PDT Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Highways Impacted include US Highway 395 and State Routes 14, 58, and 178. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...West winds 20 to 30 mph with gusts up to 40 mph. * WHERE...Kern River Valley. * WHEN...Until 5 PM PDT Wednesday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

At 847 PM CDT, Doppler radar was tracking a strong thunderstorm 12 miles southeast of Hemphill, or near Fairmount, moving southwest at 10 mph. HAZARD...Wind gusts up to 40 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Fairmount. If outdoors, consider seeking shelter inside a building.

At 848 PM CDT, Doppler radar was tracking a strong thunderstorm over Bull City, or 15 miles west of Hueytown, moving north at 20 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Little Shoal. If outdoors, consider seeking shelter inside a building. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information

At 750 PM MDT, Doppler radar was tracking a line of showers and thunderstorms extending from 13 miles southwest of Kalispell to 10 miles southeast of Swan Lake, or extending from 13 miles southwest of Kalispell to 25 miles northeast of Polson, moving northeast at 35 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Kalispell, Evergreen, Whitefish, Columbia Falls, Bigfork, Woods