September 19

Lake Monticello morning surface water temperatures are around 77 degrees. Water levels generally fluctuate daily. 

September 5

Lake Monticello morning surface water temperatures are around 80 degrees and clarity is normal. Water levels generally fluctuate daily. 

August 27

Lake Monticello morning surface water temperatures are down to about 80 degrees, but will rise again as air temperatures do. Water levels generally fluctuate daily.

August 13

Lake Monticello morning surface water temperatures are about 85 degrees. Water levels generally fluctuate daily. 

August 1

Lake Monticello morning surface water temperatures are about 86 degrees and the water is clear even though the river is dirty. Water levels generally fluctuate daily. 

July 18

Lake Monticello morning surface water temperatures are about 86-87 degrees and the water is clear. Water levels generally fluctuate daily. 

July 11

Lake Monticello morning surface water temperatures are in the mid-80s or higher. Water levels generally fluctuate daily. 

June 26

Lake Monticello morning surface water temperatures are in the mid-80s. Water levels generally fluctuate daily. 

June 12

Lake Monticello morning surface water temperatures are in the low 80s. Water levels generally fluctuate daily. 

May 29

Lake Monticello morning surface water temperatures are around 80 degrees or higher and both the lake and river are gin clear. Water levels generally fluctuate daily. 

May 23

Lake Monticello morning surface water temperatures are in the upper 70s. Water levels generally fluctuate daily. 

May 16

Lake Monticello morning surface water temperatures are in the upper 70s and the water is clear – especially considering that the Broad is blood red. Water levels generally fluctuate daily. 

May 9

Lake Monticello morning surface water temperatures are in the upper 70s and the water was relatively clear before overnight rains. Water levels generally fluctuate daily. 

May 1

Lake Monticello morning surface water temperatures are in the low 70s and the water is clear. Water levels generally fluctuate daily. 

April 25

Lake Monticello morning surface water temperatures are still about 72 degrees and the water is clear. Water levels generally fluctuate daily. 

March 28

Lake Monticello morning surface water temperatures have dropped back to about 55 degrees on the 99 end. Water levels generally fluctuate daily. 

March 20

Lake Monticello morning surface water temperatures range from about 59-63 degrees. The upper lake is lightly stained while the lower end near the power plant area is fairly dirty. Water levels generally fluctuate daily. 

March 14

Lake Monticello morning surface water temperatures range from about 59-63 degrees. The whole lake is stained while the lower end near the power plant area is dirty. Water levels generally fluctuate daily. 

March 7

Lake Monticello morning surface water temperatures range from about 56-62 degrees. The 99 end is clear but the lower end is dirty. Water levels generally fluctuate daily. 

February 29

Lake Monticello morning surface water temperatures vary, but on the 99 end they are usually starting about 53 or 54 degrees and the water is stained. Water levels generally fluctuate daily. 

February 23

Lake Monticello morning surface water temperatures vary, with low 50s on the 99 end but upper 50s near the power plant. Water levels generally fluctuate daily. 

February 12

Lake Monticello morning surface water temperatures vary, with low 50s on the 99 end but upper 50s near the power plant. The whole lake has a slight stain but the closer you get to the power plant the dirtier it is. Water levels generally fluctuate daily. 

February 1

Lake Monticello morning surface water temperatures vary, but the low 50s are a common starting point. The whole lake has a slight stain but the closer you get to the power plant the dirtier it is. Water levels generally fluctuate daily.