textproduct: Medford

Updated AVIATION Discussion

AVIATION...30/06Z TAFs

Low end VFR ceilings are gradually clearing this morning, with VFR conditions expected to prevail across the region through this evening. Expect widespread breezy to gusty N-NW winds (gusts 20-25 kt) for all TAF sites this afternoon and evening. Onshore flow will bring another night of low end VFR/MVFR stratus to areas west of the Cascades and north of the Siskiyous between 03z-08z. /BR-y

PREV DISCUSSION

/Issued 324 AM PDT Tue Jun 30 2026/

DISCUSSION...

Key Points:

*Temperatures will remain slightly below normal through Wednesday then trend warmer Thursday through Saturday.

*Breezy to gusty northwest winds are expected in the afternoons and evenings through Thursday.

*Dry weather is likely through the week. However, weak instability and moisture may bring some cumulus build ups to southeast Lake County this afternoon. Then, a weak disturbance may allow cumulus buildups on Thursday for areas east of the Cascades and across Northern California.

*Friday into Saturday, a weak high pressure ridge will bring warmer than normal temperatures and continued dry weather. Temperatures will peak on Saturday with highs around 5 to 8 degrees above normal. These warm temperatures may persist into Sunday and Monday.

A broad upper trough is over the region. This will remain in place through Thursday. Expect mild temperatures across the area today and Wednesday with high temperatures 3 to 7 degrees below normal. Today and Wednesday, morning lows are expected to drop into the lower 30s across northern Klamath and northern Lake counties with areas of frost. Further south in the Klamath Basin, Lakeview and Alturas areas, temperatures may briefly dips into the mid 30s but current guidance indicates temperatures around 36 to 38 degrees, keeping frost concerns lower for these areas.

Winds today through Thursday will be breezy to gusty in the afternoons and evenings, mainly out of the northwest. Gusts of 15 to 24 mph are expected.

Dry weather is likely through the week. The one except is, a marine push has filled in clouds across Coos County and into the Umpqua Basin and may bring some isolated light precipitation (10% chance) this morning, especially over northwest slopes. Weak instability and mid level moisture may allow cumulus buildups this afternoon across southeast Lake County. Then, on Thursday, another weak disturbance moves into the region and cumulus buildups are possible for areas from the Cascades eastward and over northern California. However, the National Blend of Models indicates very low chances (less than 5%) for precipitation or thunderstorms.

The upper trough shifts to the north and northeast Thursday night and heights build over the region on Friday and Saturday. This will allow temperatures to warm above normal with highs reaching the upper 80s to mid 90s. Models and ensembles indicate a ridge developing inland Sunday and Monday with a weak trough to the northwest. This will likely bring continued above normal temperatures and dry weather.

MARINE...Updated 200 AM PDT Tuesday, June 30, 2026...Strong north winds will result in very steep seas and areas of gales from Gold Beach southward through Wednesday night. North of these areas, fresh swell and north winds will maintain steep seas through Wednesday night. Small craft advisory level winds and seas may continue to affect the waters south of Cape Blanco Thursday and Friday. Then, models indicate north winds will increase with steep seas possible across all the waters Saturday and Sunday.

MFR WATCHES/WARNINGS/ADVISORIES

OR...CA...None.

PACIFIC COASTAL WATERS...Small Craft Advisory until 5 AM PDT Thursday for PZZ350-356-370-376.

Gale Warning until 5 AM PDT Thursday for PZZ356-376.