The Hampshire and Isle of Wight Air Ambulance has been given the all clear to resume flying.
It and other services were grounded for safety checks in light of the crash in Glasgow.
The Dorset and Somerset Air Ambulance and the Thames Valley and Chiltern have yet to resume their services.
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Friday night's forecast for the west of the region
Friday night's forecast for the east of the region
Friday afternoon's forecast for the east of the region