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Insulation in La Grange: July highs average about 86°F; January lows average about 18°F.

Weather and your home

In Lewis County, July highs average about 86°F and January lows about 18°F, with roughly 40 inches of rain a year. Long, cold winters put furnaces and pipes to the test.

Storms

Over the last 10 years the National Weather Service recorded hailstorms, damaging thunderstorm winds and flash floods in Lewis County, with hail up to 2.75 inches across. After a storm, a quick roof and gutter check catches damage before it turns into a leak.

Disaster history

Lewis County has had 21 federal disaster declarations in the last 25 years, most often for severe storms; the latest was Severe Storms, Straight-Line Winds, Tornadoes, And Flooding (2026).

Services

Roof repair in La Grange · AC & heating repair in La Grange · Plumbing in La Grange · Electrical in La Grange · Gutters in La Grange · Pest control in La Grange · Lawn care in La Grange · Pool service in La Grange · Siding in La Grange · Windows & doors in La Grange · Solar in La Grange · Generators in La Grange · Insulation in La Grange · Remodeling in La Grange · Kitchen remodeling in La Grange · Bathroom remodeling in La Grange · Painting in La Grange · Flooring in La Grange · Drywall in La Grange · Concrete & pavers in La Grange · Fencing in La Grange · Decks in La Grange · Tree service in La Grange · Pressure washing in La Grange · House cleaning in La Grange · Junk removal in La Grange · Garage doors in La Grange · Appliance repair in La Grange · Water & mold restoration in La Grange · Foundation repair in La Grange · Handyman in La Grange

Questions

How do I know my home needs insulation?

Uneven rooms, high bills and an attic you can see the joists in are the signs; older homes often have far too little.

What gives the best return?

Attic insulation and air-sealing usually pay back fastest.

These are Lewis County figures — more about homes in Canton.

Nearby

Canton · Ewing · Monticello · Lewistown · Palmyra · Alexandria · La Belle · Hannibal