“Weekend Forecast: Mostly drunk with a chance of horny” is a jocular saying that has been printed on many images. It’s not a weather forecast but a weekend events forecast.
   
“weekend forecast: Mostly drunk with a chance of horny!” was posted on Twitter by kwz on September 19, 2008. “Weekend Forecast:  Mostly Drunk with a Chance of Horny” was posted on Twitter by Felipe - O Ogro on January 25, 2009. “Gr8 Tshirt: Mostly drunk with a chance of horny…  http://tr.im/jPwp” was posted on Twitter by WestSideGuy on April 27, 2009. The saying probably originated on a T-shirt.
 
“Forecast for tonight is alcohol, low standards and poor decisions” and “New Year’s Eve forecast: Mostly drunk, with a slight chance of passing out” are related sayings.
   
       
Twitter
kwz
@kwz03
weekend forecast: Mostly drunk with a chance of horny!
6:53 PM · Sep 19, 2008
   
Twitter
Felipe - O Ogro
@felipeogro
Weekend Forecast:  Mostly Drunk with a Chance of Horny
11:49 AM · Jan 25, 2009
   
Twitter
WestSideGuy
@WestSideGuy
Gr8 Tshirt: Mostly drunk with a chance of horny…  http://tr.im/jPwp
12:44 PM · Apr 27, 2009
   
Twitter
Ann Double
@anndouble
WEEKEND FORCAST: Mostly Drunk .Chance of Horny
8:16 PM · Apr 30, 2009
 
Transcripts   
Nancy Grace
Casey Anthony`s Computer Reveals More Disturbing Images/LA Mom Falsely Claimed She Was Sexually Assault in Death of 18-Month-Old Daughter
Aired April 30, 2009 - 20:00   ET
(...)
ELLIE JOSTAD, NANCY GRACE PRODUCER: Well, they took a good, hard look at her laptop and another computer in the home, and they found not only those searches for chloroform, neck breaking, how to make household weapons, but they found these the images—skulls, skulls and crossbones, sayings like, Don`t live for anyone but yourself, a cartoon that says, Weekend forecast, mostly drunk with a chance of horny, another saying,
     
Twitter
ofrager
@ofrager
Weekend Forecast: Drunk with a chance of horny. ~~ Accused child murderer Casey Anthony (as seen on Nancy Grace)
10:19 PM · Apr 30, 2009
 
Twitter
Diemme Morane
@DiemmeMorane
‘s T-shirt of the day:  Weekend Forecast, Mostly drunk, 100% chance of bossy.
6:32 PM · Jul 25, 2009
   
Twitter
Sunny
@SunnyNunchucks
Weekend forecast: Mostly drunk with a chance of horny.
9:09 PM · Sep 25, 2009
   
Twitter
Honkey Tonk Neanderthal
@im4evergrateful
Weekend Forecast   Mostly Drunk with a chance of HORNY
3:02 PM · Oct 10, 2009
   
Twitter
Vikki
@ThePugPosse
@jonesette: Weekend forecast: Mostly drunk with a chance of horny. <-- :-D

9:15 PM · Nov 11, 2009
   
Twitter
Rock.current 🌀
@rockcurrent
Weekend forecast: Mostly drunk with a chance of horny.
6:31 AM · Nov 20, 2009
 
Twitter
Slutty Girl Problems
@sluttygrlprobs
Weekend Forecast: Mostly drunk with a chance of horny. #sluttygirlproblems
1:16 PM · Dec 19, 2013
     
Twitter
CrazyBitchProbs
@crazybitchprbs
Weekend forecast: Mostly drunk with a chance of horny
9:51 AM · Feb 25, 2022
 
Facebook
MY CRAZY WORLD
December 9, 2022 at 6:00 AM ·
(The following text is shown on an image.—ed.)
Weekend forecast:
Mostly drunk with
a chance of horny