BOISE, IDAHO — Idaho is in for a classic spring weather rollercoaster this week, with unseasonably warm temperatures peaking Tuesday before a cold front sweeps through late Tuesday into Wednesday, bringing breezy winds and mountain showers.
Forecasters describe the pattern as “whiplash weather,” with temperatures running well above normal before dropping behind the front.
Tuesday: Near 75°F in the Treasure Valley
Temperatures across the lower elevations of southwest Idaho are expected to surge into the 70s Tuesday, with several communities nearing or surpassing 75°F.
Forecast highs include:
- Boise: 73°F Tuesday
- Nampa: 76°F
- Caldwell: 75°F
- Meridian: 75°F
- Jerome: 76°F
- Twin Falls: 76°F
- Mountain Home: 76°F
Even some higher elevation valleys will see mild conditions, while mountain communities remain cooler but still above seasonal averages…