Train travellers are facing major delays this afternoon as services are cancelled because of flooding.
ScotRail announced the line between Glasgow Central Street and Lenzie has been closed after heavy rain.
Multiple services between Glasgow and Edinburgh have been hit with disruptions expected to last until 6pm.
A ScotRail statement read: “We have reports of flooding in the Lenzie area meaning trains are unable to call at Bishopbriggs or Lenzie.
“We would advise all customers to avoid travelling at the moment as services are extremely busy.”
Services to Inverness, Arbroath and Kilmarnock from Glasgow are also affected.
Earlier, a landslide between Helensburgh Upper and Garelochhead closed the line.
Heavy rain and flooding also shut all lines between Shotts and Hartwood.
Nine flood alerts have been issued across Scotland amid a yellow weather warning for heavy rain showers.
In Ayrshire, Glengarnock has been hit by flooding while roads around Lochwinnoch in Renfrewshire are under water after the River Garncok burst its banks.
The Scottish Environment Protection Agency (SEPA) has urged Scots to prepare for potential flooding around rivers, the sea and any surface water in areas in the west of Scotland.
Areas set to be impacted include Argyll and Bute, Ayrshire and Arran, Central, Dumfries and Galloway, Easter Ross and Great Glen, Skye and Lochaber, Tayside, West Central Scotland and Wester Ross.
The flooding agency has said that people living in any of these regions should remain alert and vigilant of the conditions worsening.
The Met Office has put a yellow weather warning in place for rain from 6am this morning to 11.59pm this evening.
Forecasters anticipate that around 100mm of rainfall could potentially fall in some areas of the country.
Typically 120mm of rain falls during the entire of August in Scotland.
Adverse weather conditions could lead to longer times on the roads and on public transport throughout Tuesday.
It comes after Scotland was hit with thunderstorms on Friday following scorching temperatures.
A spokesperson for the Met Office said: “A spell of persistent and heavy rain is expected to affect west and southwest Scotland during Tuesday.
“Widespread rainfall totals of 30-60 mm are expected with as much as 80-100 mm over some high ground exposed to the strong south-westerly winds.
“Much of this rain will fall in less than 12 hours during the middle part of the day.”