Severe

* WHAT...Sub-freezing temperatures 22 to 26 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. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.

...DANGEROUS WILDFIRE CONDITIONS EXPECTED FRIDAY... The National Weather Service in Little Rock has issued a Red Flag Warning, which is in effect from 9 AM to 8 PM CDT Friday. * WINDS...North to northwest winds 15-20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...30 to 40 percent. * IMPACTS...Fires that develop could spread rapidly due to the strong winds and very dry fuels. Outdoor burning is not recommended. A Red Flag Warning means that critical fire weather conditions

* WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...Barton, Ellsworth, Lincoln, Russell, and Saline 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 30 possible. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and southeast South Dakota. * 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 expected. * WHERE...Western Cherry, Deuel, Garden, Sheridan, Chase, Keith, Perkins, Arthur, and Grant Counties. * WHEN...From midnight tonight 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. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.

* WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...Portions of central, north central, southwest, and west central Nebraska. * 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. To prevent water pipes from freezing; wrap or drain or allow them to drip slowly.

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of west central Texas, including the following counties, Callahan, Coke, Coleman, Concho, Crockett, Fisher, Haskell, Irion, Jones, Nolan, Runnels, Schleicher, Shackelford, Sterling, Sutton, Taylor, Throckmorton and Tom Green. * WHEN...Through Friday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.

At 106 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. Some locations that will experience flash flooding include... Ackerly, Gail, Vealmoor and Knott.

FFWMAF The National Weather Service in Midland/Odessa has issued a * Flash Flood Warning for... Southeastern Borden County in western Texas... Scurry County in western Texas... * Until 415 PM CDT. * At 108 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 3 to 4 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing