Mother Nature is clearly confused as high temperatures could end up a good 20-40 degrees above average across the Plains and Midwest Tuesday and Wednesday. Omaha could reach the 70s Tuesday with Chicago forecast to climb into the 60s on Wednesday. The core of the warmth shifts east to the Ohio Valley and Southeast Thursday and Friday, allowing places like Atlanta and Nashville to get close to 80 degrees. Watch this video to see the warmth move across the country.