The National Weather Service in Boise issued a forecast for Monday, June 30, 2025, at 4:47 AM MDT. According to the forecast, temperatures are expected to range in the afternoon from 60°F to 105°F.

The forecast high temperatures for various locations are as follows:

• La Grande: 96°F

• Joseph: 90°F

• Baker: 93°F

• Halfway: 100°F

• Sumpter: 92°F

• Riggins: 102°F

• Council: 99°F

• Weiser: 102°F

• Ontario: 101°F

• Emmett: 103°F

• Caldwell: 100°F

• Boise: 99°F

• Mountain Home: 100°F

• Gooding: 97°F

• Idaho City: 98°F

• Stanley: 87°F

• Lowman: 87°F

• McCall: 87°F

• Cascade: 85°F

• Yellow Pine: 87°F

• Challis: 92°F

• Fairfield: 90°F

• Hailey: 88°F

• Jerome: 94°F

• Twin Falls: 94°F

• Juntura: 95°F

• Burns: 90°F

• Rome: 98°F

• Jordan Valley: 94°F

• Grasme: 49°F

• Owyhee: 93°F

• John Day: 96°F

• Unity: 92°F

The forecast noted that Monday is predicted to be the hottest day during the next seven days. Further details on the probability of reaching 100°F were also provided with the forecast.

Source: US National Weather Service Boise Idaho

Source Type: Weather

Source Location:

Caldwell

3833 S Development Ave, # 3807, Boise, ID

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