DECATUR, Ill. (WAND) - If you've been wondering where the cool fall weather is situated, just head northwest. Parts of the US and Canadian Rockies have had snow already this season with more on the way.

Closer to home, the core of the jet stream will allow warm weather to hang on for a few more days. However, chillier weather is waiting in the wing. The good news? Rain. Yes, rain...for everyone, as the jet stream steering winds shift from southwest to northwest this weekend.

Thunderstorms are also in the mix, so stay weather-aware, stay safe out there, and stay sweaty.

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