Severe

* WHAT...Temperatures in the lower to mid 20s are expected. * WHERE...The San Luis Valley * WHEN...From midnight tonight to 9 AM MDT Friday. * IMPACTS...Sub-freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...A hard freeze is expected to end the growing season across the San Luis Valley. 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...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 Frost Advisory, temperatures may briefly dip into the lower to mid 30s resulting in frost formation or a light freeze. For the Freeze Watch, a longer period of sub-freezing temperatures in the mid 20s to around 30 degrees will be possible. * WHERE...Eastern Fremont, Pueblo, Crowley, Otero, Las Animas, Huerfano, Bent, Prowers and Baca Counties. * WHEN...For the Frost Advisory, from 2 AM to 9 AM MDT Friday. For the Freeze Watch, from late Friday night through Saturday morning.

* 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...Sub-freezing temperatures as low as 25 possible. * WHERE...Portions of central, south central, southwest, and west central Kansas. * 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 31 degrees possible. * WHERE...Portions of central, east central, north central, and northeast Kansas. * 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. Tender plants should be brought inside or covered to protect them from the cold.

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northwest and the Panhandle of Texas, including the following counties, in northwest Texas, Childress, Cottle, Dickens, Kent, King, Motley and Stonewall. In the Panhandle of Texas, Hall. * WHEN...Until 3 PM CDT this afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.

* WHAT...For the Wind Advisory, northwest winds 35 to 45 mph with gusts up to 60 mph. 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, until 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

* 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.