Weather in Forest Grove

* WHAT...Temperatures of 32 to 36 degrees will result in frost formation. * WHERE...In Oregon, Lower Columbia River and Portland West Hills and Chehalem Mountain. In Washington, Willapa Hills. * WHEN...From 1 AM to 9 AM PDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation.

Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures, or temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain he...

* WHAT...Temperatures of 32 to 36 degrees will result in frost formation. * WHERE...Central and Southern Willamette Valley, Northern and Central Coast Range Valleys and Mountains of Oregon, Tualatin Valley, Clackamas County Cascade Foothills, Cowlitz County Lowlands, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...From 1 AM to 9 AM PDT Thursday. * IMPACTS...Frost c...

Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures, or temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain he...

* WHAT...Heavy snow above 2500 ft. Additional snow accumulations of up to 1 foot, and total snow accumulations of 1 to 2 feet at pass level. Winds could gust as high as 35 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 5 AM PDT Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

Consider postponing travel until weather conditions improve. If you must travel, be sure to slow down and allow extra time. If your car becomes trapped in deep snow, be sure to keep your car off to stay safe from potential carbon monoxide poisoning. Be aware that walking surfaces may be slick. Wa...

* WHAT...Heavy snow above 2500 ft. Additional snow accumulations of up to 1 foot, and total snow accumulations of 1 to 2 feet at pass level. Winds could gust as high as 35 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 5 AM PDT Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

Consider postponing travel until weather conditions improve. If you must travel, be sure to slow down and allow extra time. If your car becomes trapped in deep snow, be sure to keep your car off to stay safe from potential carbon monoxide poisoning. Be aware that walking surfaces may be slick. Wa...