Weather Forecasts Fall Farmers Almanac
The Old Farmer’s Almanac forecasts a warmer-than-normal fall, with especially warm late September, carrying over some summer heat well into autumn. Referenced as “above normal temperatures, especially later in the month” for Idaho’s valleys. Temperatures average ~80 °F in September, ~65 °F in October. However, forecasts suggest September will trend well above that and October may remain notably warm.
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National Weather Service Discussion
The NWS Boise office provides in-depth daily weather discussions, explaining forecast reasoning, storm systems, and local conditions for southwestern Idaho and eastern Oregon. It’s the best source for understanding why the weather is changing, not just the forecast itself.
Known for its detailed hourly forecasts, air quality info, and reliable short-term projections. Excellent for planning your day.