UPDATE 4.55PM: A man is being treated for chest injuries after he was pinned under a large branch brought down by a severe storm system this afternoon.
The man in his 40s was trapped under the large branch before he was freed by Queensland Fire and Emergency Services.
The incident occurred at a private property on Rosenbergers Rd at Umbiram, south-west of Toowoomba.
Queensland Ambulance paramedics treated the man at the scene for chest injuries.
He will be transported to hospital.
More than 9500 residents in Warwick were also left without power after lines were brought down.
Ergon Energy has activated crews to repair the damaged lines, but no restoration time is known as yet.
4.10PM: A man is trapped under a branch brought down by severe storms which have smashed the region this afternoon.
The man, aged in his 40s, is trapped under the large branch and has suffered chest injuries at a property at Wyreema, south of Toowoomba.
Paramedics are en route to the Rosenbergers Rd property.
A tree is also covering the road on Curzon St, between Bridge and Margaret Sts. Motorists are urged to avoid the area.
There are currently no power outages recorded for Toowoomba but 9548 outages have been recorded in Warwick.
3.50PM: A line of severe thunderstorms is sweeping across the Darling Downs causing widespread damage.
At 3.45 storms were detected near Toowoomba, east and north-east of Warwick, south of Toowoomba and north-west of Killarney.
The Bureau of Meteorology says the thunderstorms are moving towards the northeast.
They are forecast to affect the area north of Toowoomba, Cunninghams Gap, Helidon, Highfields, Hampton and Crows Nest by 4.15 pm and Boonah, Laidley, Gatton, the area southwest of Esk, the area west of Esk and the area northwest of Esk by 4.45 pm.
Damaging winds are likely. A wind gust of 93kmh was recorded at Wellcamp Airport at 3.30pm.
There are reports of hail at Oakey.
3.30PM: Powerlines are down and power cut across the Darling Downs as a wild thunderstorm smashes into the region.
A lightning strike was reported in east Warwick and there are currently fire crews on their way to the scene of downed power lines off East St.
Powerlines and trees are down in Eton St, Toowoomba City, with authorities arriving on scene.
A severe thunderstorm warning remains active for Toowoomba, Warwick and widespread parts of the Darling Downs.
Motorists are being advised that due to a lightning strike in east Warwick, traffic lights are out in the Warwick CBD area and on the major highway through town.
The affected lights are at the corner of Albion St and Fitzroy St and at the intersection of Albion St and Grafton St.
Police are on scene to direct traffic.
Motorists are advised to proceed with caution through the affected areas.
Power is out to various parts of East Warwick after the lightning strike, including the Daily News office.
BREAKING: A severe thunderstorm warning has been issued for Toowoomba, Warwick and parts of the Darling Downs.
The Bureau of Meteorology issued the warning about 3.20pm.
"Severe thunderstorms are likely to produce damaging winds in the warning area over the next several hours.
"Locations which may be affected include Warwick, Toowoomba, Dalby, Kingaroy, Stanthorpe, Boonah, Oakey, Clifton, Pittsworth, Jondaryan, Yarraman and Chinchilla.
"Dalby had a 90kmh wind gust at 3pm."