Ward, CO weather at 9,450 ft -- the highest incorporated town in Boulder County. Subalpine snow, extreme wind, and South St Vrain Creek stream flow below Brainard Lake.

Allenspark, CO weather at 8,491 ft beside Rocky Mountain National Park's Wild Basin. East-slope upslope snow, North St Vrain stream flow, and extreme fire risk.

Longmont, CO weather forecasts, flood risk, and outdoor planning. St Vrain Creek city in Boulder County at 5,000 ft. September 2013 flood reshaped downtown.

Niwot, CO weather forecasts and outdoor planning. Unincorporated Boulder County community on the Diagonal Highway at 5,095 ft. Left Hand Creek drainage.

Hygiene, CO weather forecasts and outdoor planning. Small Boulder County CDP northwest of Longmont at 5,069 ft, in the Left Hand Creek drainage.

Lyons, CO weather forecasts, stream flow, and outdoor planning. Canyon-mouth town at 5,374 ft where North and South St Vrain meet. High fire and AE flood risk.

Louisville, CO weather forecasts, fire risk, and outdoor planning. Plains-foothills city in Boulder County hit by the 2021 Marshall Fire. Elevation 5,337 ft.

Lafayette, CO weather forecasts, climate data, and outdoor planning. Boulder County coal-mining town east of Louisville on Coal Creek. Elevation 5,237 ft.

Superior, CO weather forecasts, fire risk, and outdoor planning. Boulder County town at the base of Marshall Mesa, hit hardest by the 2021 Marshall Fire.

Erie, CO weather forecasts and outdoor planning. Boulder/Weld County plains town east of Lafayette; warmer summers, less snow than the Boulder foothills.