The National Weather Service in Boise, Idaho reported cloudy conditions for parts of the region today. Rain showers are expected to taper off during the day while skies remain mostly overcast. The forecast for tomorrow morning calls for widespread valley fog, with the possibility of dense fog near Ontario and Caldwell.

Temperatures are expected to remain above normal. Highs will reach the low 60s to upper 50s. In Boise, the morning low today was the same as the local average daily high of 48°F.

A fog risk advisory is in effect from 5 AM Tuesday, November 18, 2025 to 5 AM Wednesday, November 19, 2025. Specific fog risk levels include categories ranging from Extreme to None.

The Boise Weather Forecast Office provided the update.

Source: US National Weather Service Boise Idaho

Source Type: Weather

Source Location:

Caldwell

3833 S Development Ave, # 3807, Boise, ID

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