Temperatures across the northern Prairies are set for a dramatic rise, driven by a developing Omega block that centres high pressure across Canada. This ridge in the jet stream is creating a southerly flow, bringing significantly warmer air into northern Manitoba, Saskatchewan, and even southern Nunavut.

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On Tuesday, areas across the northern Prairies will see temperatures that sit 10–15°C above seasonal norms.

[Baron - Jet stream forecast Tuesday evening] Baron - Jet stream forecast Tuesday evening

In fact, temperatures in these regions are expected to outpace cities like Denver and Colorado Springs, which are currently experiencing below-seasonal temperatures due to a

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