Yes, there are still big uncertainties in some predictions, but these swing both ways. (newscientist.com)
In the IPCC's defense, their second report in 1995 greatly reduced projections (SAR page 39), and the first report had said, in bold, «There are many uncertainties in our predictions particularly with regard to the timing, magnitude and regional patterns of climate change, due to our incomplete understanding» (page xii). (skepticalscience.com)
Giorgi, F. and Francisco, R., 2000: Evaluating uncertainties in the prediction of regional climate change. (pacificclimate.org)