Here’s one way to sequence the events coherently:
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A few days ago: I watched the weather forecast with a mixture of excitement and dread. Meteorologists were predicting that a huge snowstorm would bring a foot of snow to our state!
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Tomorrow: I’m sure I will need to do a lot of shoveling, but right now that doesn’t concern me in the least.
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Now: I’m standing outside and letting the flakes accumulate on my jacket and hat.
Feel free to adjust based on your interpretation, but this arrangement establishes a clear timeline of events leading up to the moment outside in the snowfall.