Moderate

* WHAT...Sub-freezing temperatures of 25 to 32 expected. Some rural locations will likely see another hard freeze. * WHERE...Eastern Magic Valley, Shoshone/Lava Beds, Arco/Mud Lake Desert, Lower Snake River Plain, and Upper Snake River Plain. * WHEN...From 3 AM to 9 AM MDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

* WHAT...Dangerous rip currents. * WHERE...Northeast Florida Beaches. * WHEN...Through Tuesday 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.

Gusty winds are expected late this morning into the early afternoon as an area of rain and embedded thunderstorms continues to shift eastward through portions of eastern Iowa and northwest Illinois. Winds will increase on the western edge of the shield of precipitation with gusts between 40 to 50 mph possible out of an east to southeasterly direction. Use extra caution if traveling, especially in high profile vehicles. The gusty winds could blow around loose objects and bring down small tree branches.

At 953 AM CDT, Doppler radar was tracking a strong thunderstorm near Cole Camp, or 14 miles west of Versailles, moving northeast at 45 mph. HAZARD...Wind gusts of 50 to 55 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... Versailles, Cole Camp, Stover, Barnett, Syracuse, Edmonson, Florence, and Crockerville.

Snow is ending and conditions will continue to improve through the morning. Therefore, the Winter Weather Advisory has been allowed to expire.

* WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...Until noon MDT today. * IMPACTS...Winter conditions could impact outdoor recreation and travel on Highway 14 through the Bighorn Mountains. Slow down and use caution while traveling. For the latest road conditions, call 5 1 1.

* WHAT...Light snow. Additional snow accumulations of less than 1 inch. * WHERE...In Montana, Bighorn Canyon, Northern Big Horn, Southern Big Horn, and Southern Rosebud. In Wyoming, Sheridan Foothills. * WHEN...Until noon MDT today. * IMPACTS...Plan on slushy and slick roads with reduced visibility. This includes travel along Interstate 90 and Highway 212. * ADDITIONAL DETAILS...Conditions will gradually improve through the morning. Slow down and use caution while traveling. For the latest road conditions, call 5 1 1.

* WHAT...Light snow. Additional snow accumulations of less than 1 inch. * WHERE...Powder River. * WHEN...Until noon MDT today. * IMPACTS...Plan on slushy and slick roads with reduced visibility. This includes travel along Highway 212, especially over the Home Creek Divide area. * ADDITIONAL DETAILS...Conditions will gradually improve through the morning. Slow down and use caution while traveling. For the latest road conditions, call 5 1 1.

Snow has ended and conditions will improve through the day. Therefore, the advisory will be allowed to expire.

* WHAT...Visibility less than one quarter mile in dense fog. * WHERE...Boulder and the western suburbs of Denver, and Denver. * WHEN...Until 10 AM MDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. If driving, slow down, use your headlights, and leave plenty of distance ahead of you.