Moderate

At 428 AM CDT/328 AM MDT/, Doppler radar was tracking a strong thunderstorm near Grant, moving east at 20 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, Madrid, Elsie, Grainton, and Wild Horse Spring. This includes Highway 61 between mile markers 56 and 76. If outdoors, consider seeking shelter inside a building.

At 333 AM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 14 miles northwest of Arthur to 15 miles east of Oshkosh to 7 miles west of Lewellen. Movement was east at 30 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... Arthur, Lewellen, Lemoyne, Eagle Gulch Campground, Ruthon, Haythorn

* 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. * ADDITIONAL DETAILS...Highways impacted include, but are not limited to, State Routes 14, 58, and 178, as well as U.S. 395. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

* WHAT...South swell from 190 degrees with a period of 18 to 19 seconds will generate surf of 4 to 7 feet with sets up to 8 feet. High rip current risk. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...From late Monday night through Thursday afternoon. * IMPACTS...Hazardous swimming conditions and a high rip current risk. If you become caught in a rip current, yell for help. Remain calm and do not exhaust yourself and stay afloat while

* WHAT...Dangerous rip currents expected. * WHERE...Barnstable MA and Nantucket MA Counties. * WHEN...From 8 AM EDT this morning through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.

At 248 AM MDT, Doppler radar was tracking strong thunderstorms along a line extending from 12 miles east of Crescent Lake National Wildlife Refuge to near Oshkosh. Movement was east at 30 mph. HAZARD...Wind gusts up to 50 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. These storms will remain over mainly rural areas of western Arthur,

At 224 AM MDT, Doppler radar was tracking a strong thunderstorm over Venango, or 15 miles west of Grant, moving northeast at 20 mph. HAZARD...Wind gusts up to 40 mph and nickel 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, Madrid, Venango, Brandon, and Wild Horse Spring. This includes Highway 61 between mile markers 60 and 79.

* WHAT...Dangerous rip currents and breaking waves due to elevated surf of 3 to 6 feet with local sets to 7 feet on south facing beaches. * WHERE...Catalina and Santa Barbara Islands, Malibu Coast and Los Angeles County Beaches. * WHEN...From Tuesday morning through Thursday evening. * IMPACTS...There is an increased risk of ocean drowning. Rip currents can pull swimmers and surfers out to sea. Waves can wash people off beaches and rocks, and capsize small boats nearshore.

* WHAT...Dangerous rip currents and breaking waves due to elevated surf of 3 to 6 feet with local sets to 7 feet on south facing beaches. * WHERE...Ventura County Beaches. due to elevated surf of 3 to 6 feet with local sets to 7 feet on south facing beaches. * WHEN...From Tuesday morning through Thursday evening. * IMPACTS...There is an increased risk of ocean drowning. Rip currents can pull swimmers and surfers out to sea. Waves can wash people off beaches and rocks, and capsize small boats

Widespread fog is present over Vermont and northern New York at this time, and it's locally dense with visibility at or below a half mile. At this time of the year, the early sunrise will help dissipate fog prior to the main commuting window. However, if traveling early this morning, be prepared for changeable visibility. Leave extra space between you and the vehicle in front of you and avoid using high beams.