A FREEZE WARNING is in effect for northeastern Colorado for tonight through early Wednesday morning.  Temperatures will be in the upper 30s to low 40s this afternoon and that's about 20 to 25 degrees cooler than normal.

* TIMING...Temperatures should fall below 32 degrees in most

areas on the plains this evening and into the 20s by late tonight

and early Wednesday morning. The coldest temperatures can be

expected in areas with the least cloud cover.

The ground is warm enough to keep the underground pipes of your sprinkler system from being damaged, but covering the exposed pipes is a good idea.  With the recent rain, it is okay to shut down your system and have it professionally winterized.

* TEMPERATURE...23 to 30 degrees, with the coldest readings over

  the Cheyenne Ridge and Palmer Divide. The coldest temperatures

  can be expected in areas with the least cloud cover and up

  around Cheyenne Ridge and Palmer Divide.

Cloudy skies, drizzle, and fog will mix with some light snow for elevations above 5,000 feet through the morning.  We'll see mostly cloudy skies and a light mist across the Metro Area and northeastern plains.  The roads will be wet for the early Tuesday drive.

* IMPACTS...Freezing temperatures could kill sensitive vegetation

  and damage outdoor irrigation systems and plumbing.

A mix of rain and snow can be expected for much of the day across the eastern plains. One to 3 inches of snow may accumulate on the grass over far eastern Colorado by late afternoon.

Sources: National Weather Service and 7News Denver

West of the Continental Divide, partly cloudy skies can be expected with scattered rain and snow showers. Temperatures will be in the 40s in the mountains and 50s in the Grand Junction area.