Weather for Frenchman Creek Reservoir, CO - Frenchman Creek Reservoir, CO Weather, Current Weather in Frenchman Creek Reservoir, CO. Local weather report for Frenchman Creek Reservoir, CO, Local Frenchman Creek Reservoir, CO weather. Forecast for Frenchman Creek Reservoir, Colorado, Frenchman Creek Reservoir, CO weather forecast. Find your local Frenchman Creek Reservoir weather forecast. Frenchman Creek Reservoir, CO weather conditions.