For Summers, bring shorts and swimming suits, but also be prepared for cool nights.  Spring and Fall can be warm and cold in the same day.

Average monthly temperatures for Rexford and Eureka Montana

Local Montana Valley Weather Forecast - Weather.com

Current 7-Day Weather Forecast for Rexford, Montana   NWS - Missoula Station's Point      Issued By: Missoula, Montana
Point of Forecast: 6 Miles SW Eureka MT      48.81N -115.14W (Elev. 3690 ft)

USA Today weather for Rexford, Montana

Current Lincoln County Road Conditions