Expected

* WHAT...Strong longshore currents in the surf zone. * WHERE...The beaches north of Cape Hatteras. * WHEN...Through this evening. * IMPACTS...Strong longshore currents will create dangerous swimming conditions. Strong longshore currents can sweep swimmers and surfers into rip currents, piers, jetties and other hazardous areas. In many cases, the longshore current is strong enough to prevent swimmers from being able to keep their feet on the bottom making it difficult to return to shore.

* WHAT...Sub-freezing temperatures as low as 29. * WHERE...Clare, Isabella, Mecosta, Osceola, Lake, Mason, Newaygo, and Oceana Counties. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Cold temperatures could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

* IMPACTS: Low humidities, unseasonably warm temperatures, and strong gusty winds will create erratic fire behavior. * AFFECTED AREA: In Southeast MT Fire Zones...130...132. In Southeast MT and Northwest SD Fire Zone...133. The most critical areas exist mainly along and north of Interstate 94 and US Highway 12. * COUNTIES AFFECTED: In Northwest SD...Harding. In Southeast MT...Carter...Custer...Fallon...Rosebud...Treasure. * COLD FRONT: A cold front will shift winds from the south to the

* WHAT...Sub-freezing temperatures expected tonight. Low temperatures across interior northern Lower expected to drop into the 24 to 29 degree range. Counties along the lakeshores will see low temperatures range from 28 to 34 degrees. * WHERE...A portion of Northern Lower Michigan. * WHEN...Until 8 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.

At 231 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Huntsville to Memorial Park. Movement was east at around 30 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... Northern Baytown, Conroe, Huntsville, Humble, Galena Park, Tomball,

At 242 AM CDT, Doppler radar was tracking a strong thunderstorm 7 miles east of Rudolph, or 15 miles northwest of Port Mansfield, moving southeast 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... Harlingen, San Benito, Raymondville, La Feria, Santa Rosa, Lyford, Rio Hondo, La Villa, Palm Valley, and Los Indios. This includes the following highways...

At 159 AM CDT, Doppler radar was tracking a strong thunderstorm over Mustang Island State Park, or 7 miles southwest of Port Aransas, moving southeast at 40 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 hail damage to vegetation is possible. Locations impacted include... Corpus Christi, Portland, Rockport, Port Aransas, Corpus Christi

* WHAT...Sub-freezing temperatures 25 to 32 expected. * WHERE...Portions of central, north central, northwest, and west central Minnesota. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation. Take steps now to protect tender plants from the cold.

* WHAT...Dangerously hot conditions. Afternoon temperatures 105 to 110. Major Heat Risk. * WHERE...The Northwest Valley of the Phoenix Metro Area, The East Valley of the Phoenix Metro Area, Buckeye/Avondale, Deer Valley, Central Phoenix, North Phoenix/Glendale, Scottsdale/Paradise Valley, South Mountain/Ahwatukee, and Southeast Valley/Queen Creek. * WHEN...Until 8 PM MST Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat

* WHAT...Dangerously hot conditions. Afternoon temperatures 103 to 112. Major Heat Risk. * WHERE...Southwest corner of Imperial County, Western Imperial County, and Salton Sea. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. An Extreme Heat Warning means that a period of very hot