I don't want it to get lost again. For those who need history go here: forums.kingsnake.com/view.php?id=963211,963897
Do you have a recent pic of him? Where do you live? We are supposed to get 5-10" of snow tomorrow so I am guessing your storm is coming this way (NH). Obviously you live in a cold DRY region. What is is his humidity setup? I know that in the winter it can be a real problem trying to get humidity up. Luna got a shower almost everyday (she loved them). Just be sure not to let him get chilled on the way back to the cage - have it all nice and toasty for him.
I have no experience with parazap, but did you actually give him any after reading up on it?
The light is probably producing no UVB and hasn't for a long time. Do you still dust his food? Do you check his temps readily? I think it is easy to fall into a routine and not be as aware of the time passing, especially if you only have one or two critters. NOT that I am saying this is OK, but as I said sometimes ya just need someone to head slap ya! 
Hopefully Carlton and others will reply as well, but my 2 cents is:
have you tried showering him to keep his hydration up (not 5 minutes, more like 20-30). You might want to try Repta-Aid which will help with hydrating and nourishment. Both Luna a Darwin love(d) the taste and ate it readily. $10 at most chain pet stores.
Once he poops you can keep it in the fridge for a day or so (really more like a day) so collect it each time. Have you looked to see if there is a vet closer? Go to the link below for vet listings. Some tips on the vet trip - Luna and I alwasy seemed to be going in December-April so I had to take extra measures to keep her warm:
*warm up the car for 10 minutes
*find a large box and a smaller box to fit inside with an inch or so in between
*place bubble wrap, padded envelopes, styro peanuts - any of that packing material between the two boxes so you have a layer of insulation
*buy handwarmers in the Outdoor section of any discount store (Wal-Mart, etc.) You can usually get 6pax for about 2 dollars. It's only a vet trip so you don't need the 48 hour heat packs used in shipping)
*put a towel or blanket that is non-terry (no loops to get his claws stuck) and a comfy branch into the box.
*close the box and he will either sleep or at least be pretty mellow by the time you get there.
So, if you and the car can make it, don't worry about him. I am sure your roads are already plowed 
Sorry so long (I think all my Luna-mothering instincts just kicked in) but sometimes I pop in for a day or two and then disappear. Please do your very best to get him to the vet and in the meantime keep him hydrated and eating if you can.
lele
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Chameleon Help & Resource Info
0.1 Veiled Chameleon - Luna. She's now hanging from her big jungle gym in the sky
1.0 Beardie - Darwin
0.2 felines - Kyndra and Lita
0.1 African Clawed Frog - Skipper
0.1 Mad. Hissers and she is on the loose!
0.1 Chilean Rose Hair Tarantula - Rosa Leigh
0.1 Goliath Bird-Eater Tarantula - Natasha
?.? Pinktoe Tarantula - no name yet


