textproduct: Medford
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
LONG TERM...Monday onward
The flow pattern becomes more zonal for the start of next week as temperatures begin to warm. A thermal trough will likely develop west of the Cascades by Sunday night into Monday and persist into Tuesday. High temperatures in Medford will approach the 100 degree mark on both Monday and Tuesday. Heat risk becomes elevated/moderate during these days as low temperatures cool into the lower 60's. As a reminder, moderate heat risk affects those who are sensitive to heat, especially those without cooling.
On a side note, the extreme forecast index(EFI) is showing values around 0.7-0.85 for maximum temperatures through Thursday west of the Cascades. These values suggest the ensembles are forecasting unusually warm temperatures for this time of year, yet by no means extreme. Conditions will begin to cool down by Thursday and Friday. -CZS
AVIATION...20/12Z TAFs
A few showers persist in Lake County this morning. Very slight thunderstorm chances will persist too, but should stay well east of all terminals.
A marine push brought MVFR/IFR to the coast, coastal valleys, and Umpqua Basin, including Roseburg. Some of these lower conditions are spreading into the lower Rogue Valley as well. All other areas should remain VFR, with the exception of lower flight conditions and gusty winds in any thunderstorms or heavy showers.
MARINE...Updated 400 AM PDT Saturday, June 20, 2026
Fresh swell will keep steep seas in the outer waters this morning. North winds then increase this afternoon into early next week. This includes gusty, advisory strength northerly winds south of Cape Blanco, approaching gale force on Sunday afternoon through Monday evening. Meantime, steep seas are likely north of Cape Blanco in the outer waters through Sunday morning, and for all of the northern waters Sunday afternoon through Monday night.
Long-term guidance suggests the thermal trough will stay in place next week, with guidance divided over a slight decrease or slight increase in winds for Tuesday into Thursday (including gales possible south of Cape Blanco, strongest south of Gold Beach).
MFR WATCHES/WARNINGS/ADVISORIES
OR...CA...None.
PACIFIC COASTAL WATERS...Small Craft Advisory from 2 PM this afternoon to 2 PM PDT Sunday for PZZ356-370-376.
Gale Watch from Sunday afternoon through Monday evening for PZZ356-376.
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