Blog Article
Piedmont's Week-Long Reign vs. Oregon's 28-Day Nice Weather Streak
A Carolina/Virginia/WV corridor has topped the nice weather rankings all week, while Oregon's Umpqua Valley rides a 28-day streak. Full breakdown plus marathon weather for Arlington.
The Piedmont's Week-Long Reign and Oregon's 28-Day Streak: Nice Weather That Just Won't Quit
Most nice weather stories are about a single good day. This one's about staying power. Two different parts of the country have been quietly putting together streaks worth bragging about, and today's forecast gives us a good excuse to check in on both.
Today's Best Air, One More Time
Thursday's top tier is a broad, broken band of Beautiful conditions running from eastern Kentucky and Tennessee through Ohio, West Virginia, Virginia, the Carolinas, and into northern Alabama and Georgia, with an isolated pocket out in north-central Montana. Virginia Beach, Raleigh, Cleveland, Pittsburgh, Greensboro, Fayetteville, Huntsville, and Knoxville all land in the low-to-mid 80s and 90s on the nice weather scale today. Highs run from the mid-50s in the Great Lakes up to the upper 70s and low 80s in Alabama and the Tennessee Valley, with afternoon humidity dropping into the 25 to 40 percent range across the South.
The interesting part is what's keeping the day from going higher. Sub-scores for temperature, wind, sky, and precipitation in the Beautiful zone are already strong enough to clear the stricter Perfect threshold. The thing holding everything back is air quality: zone-average AQI readings of 46 to 58, with spikes into the 60s, 100s, and even a 156 reading somewhere in the broader footprint. It's a reminder that haze and smoke, not heat or storms, are this week's quiet limiter. Virginia Beach is also dealing with leftover onshore flow as Subtropical Storm Josephine pulls away into the Atlantic, pushing its winds to near 15 mph with gusts over 20. Dry air also means elevated fire-weather concern in spots, so if you're raking leaves or burning brush in the Southeast this week, keep that in mind.
The Piedmont Corridor Hasn't Left the Top of the Board All Week
Here's where it gets interesting. Pull the seven-day weekly rankings and the top of the list isn't dominated by one lucky day. It's a cluster of cities across North Carolina, southern Virginia, West Virginia, and Mississippi, places like Greensboro, Winston-Salem, Chapel Hill, Durham, Danville, Huntington, and Columbus, Mississippi, all logging a mean score of 83.4 with Nice-or-better conditions on all seven forecast days. Their best day is today, where several of them hit 92 and land in Beautiful territory.
That's not an accident of timing. This corridor sits almost directly under the stalled ridge axis that's been parked over the Ohio Valley and Appalachians, and even as the national ceiling drops to Nice for days four through seven while a Pacific trough pushes clouds and scattered rain into the Plains and Midwest, this band of cities keeps dodging the worst of it. The same dry, subsident air mass that's limiting air quality is also what's keeping skies clear and winds light here day after day. If you're weighing a weekend trip anywhere between the Triad and the New River Valley, this is about as safe a bet as the forecast offers right now. You can track how this plays out day by day on the Nice Weather outlook page.
Oregon's Quiet Streak, 28 Days and Counting
Far from the Piedmont, a different kind of streak is running in southwest Oregon's Umpqua Valley. Roseburg, Winston, Sutherlin, Myrtle Creek, Green, Melrose, and a half-dozen neighboring towns have all strung together 28 straight days at or above the Nice threshold, with several logging an actual Perfect day as recently as October 14. That's notable given how active the broader Pacific pattern has been, with the current upper-level trough dragging heavy rain into the Sierra, the Four Corners, and the northern Rockies, and WPC's extended discussion flagging another closed low crossing the Pacific Northwest early next week.
The valley's geography is doing the work here. Tucked east of the Coast Range, these towns are getting enough of a rain shadow to keep clearing the bar even while storm systems track through the broader region. It won't last forever, since the pattern looks more unsettled by early next week, but for now it's one of the longest live streaks in the country, and a nice reminder that terrain can matter as much as the synoptic setup.
Looking Ahead: Marathon Weather for Arlington
By Sunday, the national ceiling has dropped to Nice almost everywhere as that Pacific system spreads clouds across the Plains and Midwest, but the Southeast, Mid-Atlantic, and Intermountain West hold onto the best of what's left. Washington, D.C. is projected to sit right around 80 on the nice weather scale that day, which lines up well with the Marine Corps Marathon in Arlington on October 25. Temperature and heat stress sub-scores in that zone are already excellent; the only soft spots are dewpoint and cloud cover, both of which are mild drags rather than real problems. Good news for 30,000-plus runners heading out at dawn.
The Short Version
Today's map looks a lot like recent days, with the Ohio Valley and Appalachians running the show and air quality doing the limiting. But zoom out and two longer stories stand out: a Piedmont and southern Appalachian corridor that's been the most consistently pleasant patch of the country all week, and an Oregon valley quietly riding one of the longest active streaks on the board. Neither one is flashy. Both are worth planning around.