Moderate

* WHAT...Sub-freezing temperatures as low as 28 expected late tonight. * WHERE...Castle Country. * WHEN...From midnight tonight 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. Drain in-ground sprinkler systems and cover above ground pipes.

* WHAT...North winds 25 to 30 mph with gusts up to 45 mph. * WHERE...Portions of northwest and west central Minnesota and northeast and southeast North Dakota. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Winds this strong can make driving difficult, especially for high profile vehicles.

* WHAT...Visibility as low as one quarter mile in dense fog. * WHERE...Carlton and South St. Louis Counties. This includes the Tribal Lands of the Fond du Lac Band. * WHEN...Until 4 PM CDT this afternoon. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Dense fog is mainly confined to the higher terrain of the Duluth area and inland away from Lake Superior. If driving, slow down, use your low-beam headlights and fog lights, and leave plenty of distance ahead of you.

* WHAT...South winds 20 to 25 mph with gusts up to 40 mph. * WHERE...Dunklin, Clay, Greene, Craighead, Mississippi, and Pemiscot. * WHEN...Until 6 PM CDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Localized areas of blowing dust may occur near plowed fields. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

At 1137 AM CDT, the public reported a cluster of strong thunderstorms along a line extending from 7 miles west of Spring Green to 6 miles southeast of Dodgeville to near Warren. Movement was east at 55 mph. HAZARD...Wind gusts up to 50 mph on the backside of the showers and storms.. SOURCE...Weather stations upstream observed 40-50 mph gusts. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Western Madison, Fitchburg, Middleton, Monroe, Verona, Oregon, Mount

* WHAT...North winds 25 to 30 mph with gusts up to 45 mph expected. * WHERE...Portions of south central and southeast North Dakota. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Things left unsecured outside will be blown around. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

At 1110 AM CDT, automated weather observations reported strong winds behind a line of showers from 10 miles southeast of Harpers Ferry to near East Dubuque. These winds will last for 30 to 60 minutes before subsiding. HAZARD...Wind gusts of 50 to 55 mph. SOURCE...Automated weather observations. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Platteville, Prairie Du Chien, Richland Center, Lancaster,

At 1115 AM CDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from near Muscoda to near Mineral Point to near Massbach. Movement was northeast at 35 mph. HAZARD...Wind gusts up to 50 mph on the backside of the storms. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Dodgeville, Mineral Point, Darlington, Shullsburg, Belmont, Benton,

* WHAT...Southeast winds 20 to 25 mph with gusts up to 50 mph expected. * WHERE...Portions of north central and northeast Illinois and northwest Indiana. * WHEN...Until 4 PM CDT this afternoon. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The potential exists for brief localized gusts up to 55 to 60 mph. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.

At 1119 AM CDT, Doppler radar was tracking strong winds behind a line of showers extending from near La Crosse to near Boscobel. Movement was northeast at 30 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... La Crosse, Sparta, Tomah, Prairie Du Chien, Richland Center, Viroqua, Onalaska, West Salem, Boscobel, Westby, Bangor, Hillsboro, Cashton,