❄ Winter is coming. Is your home ready? View the checklist →

Winter Home Preparation Checklist

Plan ahead for freezing temperatures, snow and heating season in Great Falls and Cascade County.

Seasonal homeowner guide · October 2026

Start before the first hard freeze where possible. For gas appliances, electrical work, heights or unfamiliar equipment, arrange qualified professional help.

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Remove garden hoses, drain them, and store them indoors. Shut off and drain exterior faucet supply lines if your home has indoor shutoff valves. Use insulated faucet covers where appropriate.

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Turn off your sprinkler system and arrange proper winterization before hard freezes. Compressed-air blowouts can damage systems or cause injury if done incorrectly; consider an irrigation professional.

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Replace or clean furnace filters according to the equipment instructions, check thermostat settings, keep vents clear, and schedule professional service if your system is overdue or acting unusually.

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Inspect weatherstripping and caulk around accessible doors and windows. Replace damaged seals and check that doors latch properly.

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Clear accessible gutters safely, direct downspouts away from the foundation, and look for loose or damaged shingles from the ground. Avoid climbing icy roofs or ladders.

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Insulate exposed pipes in unheated areas, close garage doors when plumbing is nearby, and learn where your main water shutoff is. During extreme cold, follow local utility guidance.

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Test smoke and carbon monoxide alarms and replace batteries or units as directed by their manufacturers. Keep furnace exhaust and outdoor vents clear of snow. Never run grills or generators indoors.

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Check snow shovels, ice melt suitability for your surfaces and pets, exterior lighting, and safe walkways. Keep emergency supplies available for winter storms.

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Further reading

U.S. Department of Energy: winter energy tips

Ready.gov: winter storm preparedness

Follow equipment manuals and professional guidance for your property. This is general planning information.