Forecasting wildfire smoke is hard. We review the best tools to help you predict when unhealthful levels of smoke are coming.

Cairo Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Cairo area.

Mesa Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Mesa area.

Jefferson Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Jefferson area.

Stockholm Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Stockholm area.

Beirut Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Beirut area.

WU meteorologist and Cat 6 lead author Bob Henson (right) has written on weather and climate for more than 25 years. Cat 6 was launched in 2005 by WU co-founder Jeff Masters (left ...

Santiago Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Santiago area.

Manama Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Manama area.

Maui Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Maui area.