Late September Heat Breaks Western Montana Records

September 26, 2014

MISSOULA – The Montana Climate Office reports the National Oceanic and Atmosphere Administration weather stations measured record-setting high temperatures across western Montana on Wednesday, Sept. 24.

Temperatures exceeded the historical average maximum temperature for late September by nine to 15 degrees in some parts of the state. Temperatures ranged from maximums of 85 to 92 degrees across Helena, Missoula, Kalispell, Butte and in counties near the Canadian border.

Missoula’s weather stations measured a record 92 degrees on Tuesday and Wednesday. The previous record of 90 degrees was set in 2001.

Helena hit 91 degrees on Wednesday, three degrees above its 88-degree record set in 2009.

Kalispell also jumped three degrees above its hottest temperature. On Wednesday, the northwestern Montana weather station hit 89 degrees. The previous record of 86 degrees was set back in 2001.

Butte matched its 2009 record of 85 degrees on Wednesday.

The Montana Climate Office, based at the University of Montana, provides relevant science-based climate records to Montanans. For more information, call Montana Climate Office State Climatologist Kelsey Jencso at 406-243-6793, email or visit


Western Montana

Contact: Kelsey Jencso, state climatologist, Montana Climate Office, 406-243-6793,