Southern Oregon moves into the second full week of February with a classic midwinter pattern taking shape, bringing a mix of chilly valley mornings, intermittent rain, and accumulating snow in the higher elevations. From Sunday, February 8, through next weekend, residents across Josephine, Jackson, and surrounding counties can expect shifting travel conditions, particularly along mountain passes and early morning commute corridors.
Sunday begins with cold overnight temperatures lingering into the morning hours. Valley communities including Grants Pass and Medford wake to areas of dense fog and low cloud cover, especially near rivers and open farmland. Afternoon highs are expected to climb into the mid to upper 40s, with partial clearing possible by late day. Motorists should remain cautious during the morning hours as visibility may be reduced on Interstate 5 and Highway 199. Road surfaces remain dry in most lower elevations, though shaded rural roads could hold patches of frost.
Monday brings a weak frontal system pushing inland from the Pacific. Cloud cover increases throughout the day, with light rain developing by afternoon and continuing into the evening. Snow levels hover near 3,500 to 4,000 feet, allowing for fresh accumulation in the Siskiyou Mountains and along higher sections of Highway 140 and Highway 62. Travelers crossing Sexton Summit or Siskiyou Pass should monitor conditions closely, as chains may be required overnight. Valley rainfall totals are expected to remain light, generally under a quarter inch.
Tuesday remains unsettled as cooler air filters into the region. Periods of showers continue, with snow levels gradually lowering to near 3,000 feet by late afternoon. Mountain routes, including Dead Indian Memorial Road and areas near Crater Lake, could see several inches of new snow. Valley highs struggle to reach the mid 40s. While major highways should remain open, drivers are advised to allow extra travel time, particularly during early morning and evening hours when temperatures drop near freezing.
By Wednesday, a brief ridge of high pressure brings partial clearing and calmer weather. Morning fog returns to west side valleys, but afternoon skies turn partly sunny with highs near 50 degrees. Travel conditions improve significantly, offering a short window of smoother commuting. Snow remains on shoulders and in higher terrain, and melting during daylight hours could refreeze overnight.
Thursday introduces another Pacific disturbance. Rain redevelops across lower elevations by midday, with moderate precipitation possible into Friday morning. Snow levels rise slightly to around 4,000 feet before dropping again overnight. This system may bring more consistent moisture, increasing the likelihood of slick roadways across the region. Urban drainage systems may see minor pooling during heavier bursts, though widespread flooding is not anticipated.
Friday transitions back to scattered showers as colder air settles in once more. Daytime highs remain in the 40s, and overnight lows dip into the upper 20s in outlying rural areas. Black ice becomes a concern during early morning travel, particularly on bridges and elevated roadways.
Saturday and Sunday next weekend trend drier but colder. Skies alternate between partly cloudy and mostly sunny conditions, with crisp mornings and afternoon temperatures near seasonal averages. Mountain snowpack will benefit from the week’s systems, supporting winter recreation but maintaining chain requirements in higher elevations.
Overall, southern Oregon faces a dynamic but typical February stretch. Residents are encouraged to monitor pass conditions, check for updated chain requirements, and prepare for fluctuating visibility during foggy mornings. While no major winter storm is forecast for valley floors at this time, mountain travel will require caution through much of the week. As winter holds steady across the region, flexibility and preparedness remain key for safe travel.