Moderate

* WHAT...Dangerous rip currents expected. * WHERE...Bay, Gulf State Park, and Franklin County Beaches. * WHEN...From 2 PM EDT /1 PM CDT/ this afternoon 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.

* WHAT...Dangerous rip currents. * WHERE...Coastal Palm Beach County. * WHEN...Through Friday 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.

* WHAT...Dangerous rip currents. * WHERE...Coastal Broward County and Coastal Miami Dade County. * WHEN...Through Friday 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.

* WHAT...Sub-freezing temperatures as low as 31. * WHERE...Central Chippewa, Eastern Mackinac, Western Chippewa, and Western Mackinac Counties. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost and freeze conditions could kill crops and other sensitive vegetation. Take steps now to protect tender plants from the cold.

* WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Crawford, Kalkaska, Montmorency, Oscoda, and Otsego Counties. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost and freeze conditions could kill crops and other sensitive vegetation. * ADDITIONAL DETAILS...Coldest temperatures will be in the high valleys and other typically cold locations. The duration of temperatures at or below freezing will likely be between 2 and 4 hours. Take steps now to protect tender plants from the cold.

At 239 AM CDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from 11 miles northeast of Oilton to 8 miles northeast of Bruni to 6 miles north of Jim Hogg County Airport to South Fork Estates to 6 miles east of Thompsonville. Movement was east at 50 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...

* WHAT...For the Lake Wind Advisory for American Falls Reservoir, north winds 10 to 15 mph with gusts up to 25 mph expected. For the Frost Advisory, temperatures of 32 to 36 degrees will result in frost formation. More rural areas could briefly drop to 30, while areas along I 15 may stay above 36. * WHERE...Lower Snake River Plain. * WHEN...For the Lake Wind Advisory, from 11 AM this morning to 9 PM MDT this evening. For the Frost Advisory, from 3 AM to 9 AM MDT Friday.

At 208 AM CDT, Doppler radar was tracking a cluster of strong thunderstorms near Salineno, or 11 miles west of Roma, moving east at 35 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... Roma, Escobares, La Rosita, Roma Creek, Fronton, Roma High School, Salineno, Garceno, Falcon Dam, and Roma City Hall.

* WHAT...Sub-freezing temperatures as low as 27. * WHERE...In Minnesota, Cook and Lake Counties. In Wisconsin, Ashland and Iron Counties. This includes the Tribal Lands of the northwestern area of the Lac du Flambeau Band, the Grand Portage Reservation and the Bad River Reservation. Other locations including Madeline Island. This also includes the Boundary Waters eastern and central area. * WHEN...Until 8 AM CDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other

* WHAT...Snow expected. Total snow accumulations 5 to 10 inches. North winds gusting as high as 30 mph. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Expect wintry travel conditions on US-14 through Burgess Junction. Recreation in the high country will be impacted by heavy accumulating snow. For the latest road conditions, call 5 1 1.