A cigarette thrown into the woods in dry weather may catch [start] a fire.

在干燥的天气里将点燃的香烟扔在树林里容易失火。

《新英汉大辞典》

In dry weather forest fires are a great menace.

干燥的天气下，森林火险是很大的威胁。

youdao

A cigarette thrown into the woods in dry weather may start a fire.

在天气干燥时把点燃的香烟扔进树林可能会引起火灾。

youdao

They were chokingly dusty in dry weather and impassably muddy in the rain.

VOA: special.2010.11.25

Scientists say the presence of iron in the rock shows that the weather was hot and dry when the rock was first formed.

VOA: special.2009.04.15

If the weather is right, the bricks should dry in 7 to 10 days.

VOA: special.2009.01.12

Only three days of my testing was in dry weather -- only one of Fernando's was wet.

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Damage done by Midwestern floods in June was made worse by hot, dry weather in August.

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The forecast for the weekend ahead in south-east England is for more dry weather in the Thames Valley.

BBC: Flooding problems continue for homes by River Thames