Severe

* WHAT...Heavy snow. Additional snow accumulations between 2 and 4 inches for the town of Laramie. Total snow accumulations between 7 and 11 inches are possible in the southern and western sides of the Laramie Valley. * WHERE...Laramie Valley. * WHEN...Until 9 AM MDT Wednesday. * IMPACTS...The weight of the heavy, wet snow on tree limbs may cause tree damage and bring down power lines. Travel could be very difficult. The hazardous conditions could impact the morning and

* WHAT...Sub-freezing temperatures as low as 27 possible. * WHERE...Portions of northwest and west central Kansas and southwest Nebraska. * WHEN...From Wednesday evening through Thursday morning. * IMPACTS...Below freezing temperatures 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; insulate, drain or allow them to drip slowly. Drain in-ground sprinkler systems and cover above ground pipes.

* WHAT...Heavy snow expected. Total snow accumulations between 6 and 16 inches, with the heaviest snowfall generally along and north of I-70. * WHERE...The Mountains of Summit County, the Mosquito Range, the Indian Peaks Wilderness, and the Southern Front Range foothills. * WHEN...Until 3 PM MDT Wednesday. * IMPACTS...Heavy snow will accumulate on tree branches and powerlines, possibly causing them to break and lead to power outages. Travel could be very difficult. The hazardous conditions

* WHAT...Heavy snow expected. Total snow accumulations between 5 and 8 inches with locally up to 12 inches next to the foothills. * WHERE...Fort Collins, Boulder, Denver metro area, and Castle Rock. * WHEN...From 8 PM this evening to 3 PM MDT Wednesday. * IMPACTS...Heavy snow accumulating on trees may result in broken tree limbs, downed powerlines, and scattered power outages. Despite lesser accumulations on roadways, slick and hazardous conditions are still possible for the Wednesday morning commute.

* WHAT...Heavy snow occurring. Total snow accumulations between 14 and 24 inches. Isolated totals up to 30 inches possible across the higher mountains in Boulder and Larimer counties. * WHERE...Rocky Mountain National Park, the Medicine Bow Range, and the northern Front Range foothills, including Red Feather Lakes, Estes Park, and Nederland. * WHEN...Until 3 PM MDT Wednesday. * IMPACTS...Heavy snow accumulating on trees may result in broken tree limbs, downed powerlines, and scattered power outages. Travel

* WHAT...Sub-freezing temperatures as low as 31 possible. * WHERE...Santa Fe Metro Area and Northwest Plateau. * WHEN...From late Wednesday night through Thursday morning. * IMPACTS...Frost and freeze conditions could damage 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 25 possible. * WHERE...Far Northeast Highlands, Harding County, Northeast Highlands, and Union County. * WHEN...From Wednesday evening through Thursday 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.

* Affected Area...Portions of the Hudson Valley FDRA including the following counties: eastern Montgomery, Schenectady, extreme northeastern Schoharie, Albany, Rensselaer, eastern Greene, Columbia, eastern Ulster, Dutchess, and much of Sullivan County. * Timing...Until 7 PM this evening, with the lowest RH and strongest wind gusts expected through the late afternoon. * Winds...Southwest 15 to 20 mph with gusts up to 40 mph. * Relative Humidity...As low as 25-30 percent. * Temperatures...Up to 83.

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 25 expected. For the Freeze Watch, sub-freezing temperatures as low as 20 possible. * WHERE...Central Yampa River Basin and Lower Yampa River Basin. * WHEN...For the Freeze Warning, from midnight tonight to 9 AM MDT Wednesday. For the Freeze Watch, from late Wednesday night through Thursday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.