Donegal County Council is to send out its fleet of gritters early on Saturday morning as temperatures are set to plunge overnight.
Indeed Met Eireann has warned that snow could hit many parts of Donegal tomorrow morning.
Gritters will be sent out on a number of primary routes by the council from 5am onwards.
The situation will be continually assessed as the weather warning continues.
Met Eireann says temperatures for Donegal will dip to zero degrees with snow forecast from 3am onwards.
The following routes are those to be gritted with all motorists being asked to exercise caution in the morning.
06: Inishowen West
04: Inishowen South
01: National Primary North
02: National Primary Central
03: National Primary South
07: Milford South
08: Milford North
09: Cill Ulta East
10: Cill Ulta West
11: Na Rosa
12: Binswilly
13: Stranorlar North
14: Stranorlar East
15: Stranorlar West
16: Donegal West
17: Donegal North
18: Donegal South
19: Donegal National Secondary
05: Inishowen East
BT: Buncrana Town Council Priority 1
LT: Letterkenny Town Priority 1
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