Severe

* WHAT...For the Freeze Warning, sub-freezing temperatures in the upper 20s to lower 30s. For the Freeze Watch, sub-freezing temperatures in the mid 20s to around 30. * WHERE...El Paso and Kiowa counties. * WHEN...For the Freeze Warning, from midnight tonight to 9 AM MDT Friday. For the Freeze Watch, from late Friday night through Saturday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT...For the Freeze Warning, sub-freezing temperatures in the upper 20s to lower 30s. For the Freeze Watch, sub-freezing temperatures in the mid 20s to around 30. * WHERE...El Paso and Kiowa counties. * WHEN...For the Freeze Warning, from midnight tonight to 9 AM MDT Friday. For the Freeze Watch, from late Friday night through Saturday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

* WHAT...Thursday morning low temperatures in the mid 20s to lower 30s. * WHERE...The San Luis Valley. * WHEN...Until 8 AM MDT this morning. * IMPACTS...Freezing temperatures could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...This could be a killing freeze which could bring an end to the growing season across the San Luis Valley. Friday night is expected to be a few degrees colder. Take steps now to protect tender plants from the cold.

* WHAT...Sub-freezing temperatures as low as 28 possible. * WHERE...Western Cherry, Deuel, Garden, Sheridan, Chase, Keith, Perkins, Arthur, and Grant Counties. * WHEN...From late tonight through Friday 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. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.

* WHAT...Sub-freezing temperatures 21 to 28 degrees expected. * WHERE...Portions of central, north central, and south central Wyoming. * WHEN...From 11 PM this evening to 9 AM MDT Friday. * 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 22 expected. * WHERE...Portions of northwestern and southwestern South Dakota and northeast Wyoming. * WHEN...From 9 PM this evening to 9 AM MDT Friday. * 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...For the Wind Advisory, northwest winds 25 to 35 mph with gusts up to 55 mph expected. For the Freeze Warning, sub-freezing temperatures as low as 27 expected. * WHERE...Portions of northwestern and southwestern South Dakota. * WHEN...For the Wind Advisory, from 9 AM this morning to 11 PM MDT this evening. For the Freeze Warning, from 9 PM this evening to 9 AM MDT Friday. * IMPACTS...Sudden wind gusts can cause drivers to lose control, especially in lightweight or high profile vehicles. Strong winds

At 252 AM CDT, a severe thunderstorm was located 17 miles east of Persimmon Gap, or 29 miles northeast of Panther Junction, moving north at 25 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Persimmon Gap. For your protection move to an interior room on the lowest floor of a building.

At 231 AM CDT, a severe thunderstorm was located 14 miles southeast of Persimmon Gap, or 19 miles northeast of Panther Junction, moving north at 25 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Persimmon Gap and Big Bend National Park. For your protection move to an interior room on the lowest floor of a building.

At 236 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.