The RSA said people shouldn't drive during the red warning - and they should still be extremely careful, even when it passes.
Storm Eowyn is now being predicted to be the worst to ever hit the country.
A red warning comes into effect for the entire country from the early hours of tomorrow.
Public Transport services won't run, schools, creches and colleges will be closed and employers are being urged to plan today for staff to work from home where possible.
The red alert means there is a 'danger to life'.
The Road Safety Authority's David Martin says it's an 'unusual and dangerous' weather event.
He says people shouldn't drive during the red warning - and they should still be extremely careful, even when it passes.
Meanwhile, shoppers are being urged to be prepared for the bad weather but not to go overboard.
Many retailers are expected to close during the Red wind alert tomorrow
Photos of empty shelves appeared on social media during Storm Darragh with shoppers stockpiling on items such as milk and bread.
Retail Excellence Ireland's Jean McCabe says there's enough supplies to go around.
Kfm Obituary Notices
Sharp Rise In M9 Collisions With Garda Call-Outs Up Year-On-Year
Councillor Seeks Clarity On How Often Nightclubs and Late Bars In Naas Are Inspected For Fire Risks
Unpaid Eight-Month Work And Training Placement For Adults With Disabilities Branded "Extremely Unfair"
Department Of Education Defends Kildare SNA Cuts Amid Claims Of Reduced Need At Some Schools
Naas Nurses Threaten Escalation As Staffing Row Deepens
Driving Tests Face Disruption As RSA Testers To Strike Next Week
