A freeze warning was in effect Monday morning for a good part of South-Central and Eastern Idaho, including the cities of Burley, Rupert, Blackfoot, Rexburg, Idaho Falls and Pocatello.
Overnight lows dropped below freezing in a number of the communities, and the National Weather Service confirmed that snow was reported in the Sawtooth Mountains and elevations near McCall.
Meanwhile in the Treasure Valley, mostly sunny days will hang around until Wednesday, when showers will sweep through the region, dropping daytime temperatures to the low 60s.
According to the National Weather Service office, the average "freeze date" (when temperatures hit 32 degrees) for Boise is Oct. 10. The average "hard freeze date" (when temperatures reach or fall below 28 degrees) is Oct. 23. And the average date for Boise when temperatures reach or fall below 24 degrees is Nov. 6.