Today, February 14, is the first day of early spring throughout the Lower Midwest. Although temperatures can be in the 30s almost half the time or even in the 20s, February 14th suddenly offers a 50 percent chance of highs above 40 degrees. And tomorrow, the 15th has the highest incidence of highs in the 50s and 60s of any time so far in February - a full 40 percent of the afternoons reach those levels. That’s the first time since December 15th that the likelihood of mild temperatures has been