Severe

* WHAT...Sub-freezing temperatures as low as 27-32 degrees likely, along with fairly widespread frost formation. * WHERE...Portions of north central Kansas and central, east central, and south central Nebraska, including the Tri Cities. * WHEN...From late Friday night through Saturday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Confidence is increasing that at least

...The Flood Warning is extended for the following rivers in Texas... Pease River near Vernon affecting Wilbarger County. * WHAT...Moderate flooding is forecast. * WHERE...Pease River near Vernon. * WHEN...Until late Friday night. * IMPACTS...At 18.0 feet, Overflow depths up to about 3 feet affects agricultural lands and low-lying roads along the Pease River in northern Wilbarger County. Low-lying areas may see fast currents. The northern sections of Vernon may see brief... shallow flooding in streets. * ADDITIONAL DETAILS...

...The Flood Warning continues for the following rivers in Florida... St Johns River Near Astor affecting Volusia and Lake Counties. .The St Johns River at Astor is forecast to remain in Minor Flood Stage through Friday, as previous heavy rainfall continues to drain through the basin. However, strong northeasterly winds are forecast this weekend and will return the river to Moderate Flood Stage, with a steady increase through Moderate Flood Stage forecast through early next week.

...The Flood Warning continues for the following rivers in Texas... Beaver Creek near Electra affecting Wilbarger and Wichita Counties. * WHAT...Minor flooding is forecast. * WHERE...Beaver Creek near Electra. * WHEN...From late Saturday night to late Monday night. * IMPACTS...At 26.0 feet, Flood levels up to 2 feet in depth cover farm and range lands... and may inundate some oil and gas facilities... along and near the creek in southern Wilbarger County and southwestern Wichita County. * ADDITIONAL DETAILS...

* WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...Portions of northwest Illinois and east central, northeast, and southeast Iowa. * WHEN...From late Friday night through Saturday morning. * 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.

...The Flood Warning is extended for the following rivers in Oklahoma... Canadian River near Mustang affecting Cleveland, Grady, Canadian and McClain Counties. * WHAT...Moderate flooding is forecast. * WHERE...Canadian River near Mustang. * WHEN...Until Monday morning. * IMPACTS...At 25.0 feet, Widespread flood depths up to 3 feet occur along the river on the Canadian-Grady County border from near U.S. Highway 81 between Union City and Minco... to the areas near Tuttle

...The Flood Warning is extended for the following rivers in Oklahoma... Canadian River near Bridgeport affecting Caddo, Canadian, Grady and Blaine Counties. * WHAT...Moderate flooding is occurring and minor flooding is forecast. * WHERE...Canadian River near Bridgeport. * WHEN...Until Friday evening. * IMPACTS...At 17.0 feet, Flooding affects croplands... pastures... and oil wells near the river. Flood plain fields at higher elevations away from the river may be cut off from easy access by

* WHAT...Sub-freezing temperatures as low as 28 possible across the far southwestern Texas Panhandle and as low as 32 near the edge of the Caprock. * WHERE...Crosby and Lynn Counties. * WHEN...From late Friday night through Saturday morning. * 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...Sub-freezing temperatures as low as 28 possible across the far southwestern Texas Panhandle and as low as 32 near the edge of the Caprock. * WHERE...Bailey, Cochran, Floyd, Hale, Hockley, Lamb, Lubbock, Terry, Yoakum, Briscoe, Castro, Parmer, and Swisher Counties. * WHEN...From late Friday night through Saturday morning. * 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.

...The Flood Warning is extended for the following rivers in Oklahoma... Canadian River at Norman affecting Cleveland and McClain Counties. * WHAT...Moderate flooding is forecast. * WHERE...Canadian River at Norman. * WHEN...From Friday morning to late Sunday night. * IMPACTS...At 99.0 feet, Flooding to depths of 5 feet occurs over areas along and near the river on the Cleveland-McClain County border from near Moore and Norman... to areas near Noble. * ADDITIONAL DETAILS... - At 7:00 PM CDT Thursday the stage was 92.2 feet.