Severe

* WHAT...Thursday morning low temperatures in the mid 20s to lower 30s. * WHERE...The San Luis Valley. * WHEN...From midnight Wednesday Night to 8 AM MDT Thursday. * IMPACTS...Freezing temperatures could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...A killing freeze will be possible which could bring an end to the growing season across the San Luis Valley. Take steps now to protect tender plants from the cold.

* WHAT...Sub-freezing temperatures as low as 29 expected. * WHERE...Portions of northeast and southeast North Dakota. * WHEN...From 1 AM to 9 AM CDT Wednesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Highest probability for freezing temperatures will be west of the Red River Valley. Take steps now to protect tender plants from the cold.

A stronger atmospheric river is expected to move over the panhandle beginning early Thursday morning and continuing through at least Friday morning. Multiple waves moving up will bring persistent moderate to heavy rain for much of the southern half of the panhandle. Past early Friday morning, additional periods of heavy rain are possible, but confidence is moderate to low at this time. Prolonged periods of moderate to heavy rain will produce significant

A stronger atmospheric river is expected to move over the panhandle beginning early Thursday morning and continuing through at least Friday morning. Multiple waves moving up will bring persistent moderate to heavy rain for much of the southern half of the panhandle. Past early Friday morning, additional periods of heavy rain are possible, but confidence is moderate to low at this time. Prolonged periods of moderate to heavy rain will produce significant

* WHAT...Sub-freezing temperatures as low as 29. * WHERE...Western Magic Valley. * WHEN...Until 10 AM MDT Wednesday. * 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.

...HIGH RISK FOR EXTREME FIRE BEHAVIOR WITH ANY NEW FIRE STARTS THURSDAY THROUGH FRIDAY DUE TO MODERATE TO LOCALLY STRONG SANTA ANA WINDS AND LOW RELATIVE HUMIDITY... .Moderate to locally strong Santa Ana winds will quickly develop on Thursday, peak Thursday afternoon through Friday afternoon, then weaken through the weekend. Meanwhile, dry air will settle over the region and dry out any helpful effects of the recent rains. Fire weather watches are now in effect, which will likely be

...HIGH RISK FOR EXTREME FIRE BEHAVIOR WITH ANY NEW FIRE STARTS THURSDAY THROUGH FRIDAY DUE TO MODERATE TO LOCALLY STRONG SANTA ANA WINDS AND LOW RELATIVE HUMIDITY... .Moderate to locally strong Santa Ana winds will quickly develop on Thursday, peak Thursday afternoon through Friday afternoon, then weaken through the weekend. Meanwhile, dry air will settle over the region and dry out any helpful effects of the recent rains. Fire weather watches are now in effect, which will likely be

The National Weather Service in Hanford has issued a Fire Weather Watch, which is in effect from Thursday morning through Friday evening. * AFFECTED AREA...Fire weather zone 596 Tehachapi Area. Fire weather zone 597 Fort Tejon. * WIND...STRONG EAST WINDS EXPECTED. A 30 TO 50 PERCENT PROBABILITY OF GUSTS EXCEEDING 40 MPH ON THURSDAY. A 60 TO 80 PERCENT PROBABILITY OF GUSTS EXCEEDING 40 MPH ON FRIDAY. * HUMIDITY...MINIMUM RELATIVE HUMIDITY BETWEEN 15-25 PERCENT BOTH DAYS. * THUNDERSTORMS...NO THUNDERSTORM THREAT.

* WHAT...Sub-freezing temperatures as low as 32 expected. * WHERE...Eastern Juab/Millard Counties, Sanpete Valley, Western Millard and Juab Counties, Eastern Box Elder County, and Southwest Utah. * WHEN...From 9 PM this evening to 9 AM MDT Wednesday. * 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...Temperatures between 28 to 32 are expected early Wednesday morning. * WHERE...Northern Owens Valley. * WHEN...From midnight tonight to 8 AM PDT Wednesday. * 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.