Rain will be the main concern starting tonight and lasting throughout much of the week. A large plume of Pacific moisture stretches from the International Date Line to the coast. Isolated shower activity is expected throughout most of the day today, however, the rain will pick up this evening. Throughout the next 48 hours, we are expecting over 2″ of total rainfall at the coast and almost 3″ in Northern California. A warm front will push showers through later today and also increase temperatures a little bit. Temperatures have remained fairly mild over the course of the last few days. We were, however, above seasonal norm Saturday with Grants Pass seeing 66F, which is 10 degrees above normal for this time of the year. Even with the rain, mild temperatures are expected into next week.
The next factor we will keep an eye on is winds. Winds in the upper atmosphere are picking up as two jets will push in with these two storms. A WIND ADVISORY is in effect starting around noon Sunday until 8pm for eastern Klamath County, Lake County, and the Shasta Valley. Sustained winds will be out of the southwest around 30-40mph. Wind gusts could get up to 55mph at times. High profile vehicles traveling along I-5 between Yreka and Weed, and also along Hwy. 140 may be affected. This Advisory could be extended or upgraded as we head into Monday.
Tuesday of next week will be slightly calmer. There will still be a chance for isolated shower activity, but anything that falls will be light in nature. The next system is slated to move in Tuesday night into Wednesday Morning. The rain and winds associated with this storm will be stronger. Rain should persist throughout Wednesday and Thursday. Friday and Saturday are shaping up to be quite nice. Decreasing clouds and mostly sunny skies are whats in store. Temperatures will also be warm. This may be the best chance to get out and do something because more rain is expected to move in on Sunday.
Thanks for logging on and have a great week.
Meteorologist Seth Phillips