I’m right there with you, man. A couple weeks ago I was snowed in, tapping away at my own novel (and a bunch of other pieces). Here’s my own take: https://medium.com/@writingben/cabin-fever-in-cotton-country-4f4c67a0d0cf
Just take it 2,000 words at a time. That’s what I keep telling myself. Just one more day and 2,000 more words. Keep your head down and write.