Three lanes are blocked due to overturned caravan on the M5 Northbound before J21 A370 and the B3440 (Weston-Super-Mare junction).
Traffic is having to pass on the hard shoulder.
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Potential mist and fog in the morning should clear to leave a dry and bright afternoon.
Plenty of warm sunshine will develop after any early mist and fog clears.
Early showers should clear to leave dry spells overnight.