John: 'The forecast looks pretty grim for the next few days.'
We're in for a spell of unsettled weather.
C2Meaning
We are likely to experience a period of unpredictable and changeable weather.
Example sentences
Alice: 'We're in for a spell of unsettled weather. I hope it doesn't ruin our weekend plans.'
John: 'Yes, definitely. We're in for a spell of unsettled weather, according to the forecast.'
Alice: 'Should we pack umbrellas for our trip?'