Climate Prediction Center - 8 to 14 Day Outlooks

The CPC issues the official U.S. 6 to 10 day outlooks. These outlooks illustrate the probabilities of having above, normal, and below normal temperature and precipitation for the 6 to 10 day period, respectively. The outlooks also include forecast 500 millibar heights for the 6 to 10 day period.

Dreaming of a warm Christmas: Early outlook absent of any winter chill

Sunday: Best Chance of T-storms All Week

Keeping Tabs on the Storm: A Brief List of Our Go-To Weather Information Sites

Climate Prediction Center - 8-14 Day Wind Chill & Min Temp Outlook

CPC/NOAA 8-14 Day Outlook – natgasweather

Beyond the 7-Day Forecast: The 8-14 Day Outlook

Calm and Warm Week Ahead For Texoma

NOAA's latest 6-10 & 8-14 day outlooks suggest seasonal temps are going to stick around for at least for the next week or 2. As for their 3-4 week outlook, they mention

From 40s to 90 this week welcome to fall in Houston