Unseasonably warm temperatures are expected through this afternoon across southeastern Colorado. A cold front will move through the region tonight and will cool temperatures to seasonable levels on Sunday.  Expect high temperatures to be in the upper 50's and lower 60's across the eastern plains, 20's and 30's elsewhere today, cooling to the 30's through eastern plains and 20's elsewhere on Sunday.    (Please visit http://weather.gov/pub for more information.)