
Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >
The repository for Official and Certifiable climatological data is at the National Centers for Environmental Information (NCEI). The unofficial climatological information presented here is for your convenience only. (828-271-4800)
— Hot Records —
Yearly Total of 100° Days or Warmer
Consecutive Days of 100° or Warmer
Boise Seasonal Temperature Extremes
— Cold Records —
Yearly Total of 0° Days or Colder
Historical Summaries: