Moderate

At 631 PM MDT, Doppler radar was tracking a strong thunderstorm near Gurley, or 11 miles north of Sidney, moving northeast 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... Dalton and Gurley. If outdoors, consider seeking shelter inside a building.

* WHAT...West winds 30 to 40 mph with gusts up to 60 mph. * WHERE...Mojave Desert Slopes. * WHEN...Until 5 AM PDT Tuesday. * 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.

At 638 PM MDT, Doppler radar was tracking a strong thunderstorm 10 miles northwest of Arriba, or 19 miles northeast of Limon, moving northeast at 15 mph. HAZARD...Wind gusts up to 50 mph and half inch 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... Mainly rural areas of Northeastern Lincoln County. Monitor the weather situation closely and be alert for threatening

At 640 PM MDT, Doppler radar was tracking a strong thunderstorm 23 miles northeast of Crow Agency, or 22 miles northeast of Hardin, moving northeast at 40 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. Minor damage to outdoor objects is possible. Locations impacted include... Colstrip. Frequent cloud to ground lightning is occurring with this storm.

At 643 PM MDT, Doppler radar was tracking a strong thunderstorm 19 miles north of Ranchester, or 27 miles north of Sheridan, moving northeast at 40 mph. HAZARD...Heavy rain, wind gusts up to 40 mph and half inch 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... Birney, Kirby, Tongue River Reservoir, Rosebud Battlefield Park and Northern Cheyenne Indian Reservation.

West to northwest winds gusting 40 to 55 mph have been reported over the western foothills. These strong winds, not associated with thunderstorms, will spread eastward over the next few hours. They may reach as far east as Musselshell and Yellowstone county before diminishing late this evening. Those outdoors and those driving this evening should be prepared for these sudden strong wind gusts. Monitor the weather situation closely and be alert for threatening weather conditions.

At 714 PM CDT, Doppler radar was tracking a strong thunderstorm over Brummitt, or near Stuttgart, moving east at 45 mph. HAZARD...Wind gusts of 50 to 55 mph and pea 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... Stuttgart... Clarendon... Holly Grove... Ulm... Roe... Dobbs Landing...

At 614 PM MDT, Doppler radar was tracking a line of strong thunderstorms extending from 29 miles northwest of Baker to 19 miles south of Baker, moving northeast at 45 mph. HAZARD...Wind gusts up to 55 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... Baker, Plevna, Ismay, Willard, Westmore and Ollie.

At 621 PM MDT, Doppler radar was tracking a strong thunderstorm 8 miles south of Las Animas, or 19 miles east of North La Junta, moving northeast at 15 mph. HAZARD...Wind gusts up to 50 mph and half inch 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... John Martin Reservoir and Fort Lyon. If outdoors, consider seeking shelter inside a building.

* WHAT...Life threatening waves of 3 to 5 feet and dangerous currents are expected. * WHERE...Sheboygan, Ozaukee, Milwaukee and Racine Counties. * WHEN...From midnight CDT tonight through Monday evening. * IMPACTS...Dangerous swimming conditions are expected due to high waves and onshore winds. Stay out of the water and away from dangerous areas like piers and breakwalls. Strong structural and longshore currents are expected. Rip currents are possible.