Sign up for our daily newsletterEmail addressSign upI would like to subscribe to The Points Guy newsletters and special email promotions. The Points Guy will not share or sell your email. See privacy policy.Ahead of Memorial Day, last-minute hotel-booking service Hotel Tonight is offering $99 rooms in various cities through its mobile app. Dubbed the “HT Roulette Blowout,” this promotion runs now through May 21, 2015. HotelTonight will share the latest $99 deals via Twitter and Instagram, so it’s worth following those accounts if you’re interested in a spur-of-the-moment getaway this month.Hotel Tonight is making select hotel rooms available for $99 as park of its HT Roulette Blowout.Each booking you make through the $99 promotion will enter you to win a trip for two — including flights, a two-night hotel stay and spending cash — on the weekend of June 26. Following with the whole spontaneous theme, Hotel Tonight won’t tell you where you’re going until the day of the trip, but it will give you a heads-up about weather to help you pack. For more info, view the guidelines here. And if you’re new to Hotel Tonight, you can get a $25 credit using the promo code BKELLY99 (Note: this code is TPG’s personal link — if you use it you both get $25 instantly).