A low- pressure system sets up over the Great Lakes and may bring snow and rain with it as it passes over the Great Lakes and Northeast tomorrow. Meanwhile, a warm front in the South will raise temperatures as far north as the Central Mississippi Valley and up along the East Coast keeping temperatures in the 50, 60s and even 70s until Wednesday. High pressure and calm skies over the Northern and Central Plains tomorrow will move off to the Northwest while rain showers and possible thunderstorms remain in the Southern Plains and Southeast into Wednesday. The Pacific Northwest into the Central Rockies will also see snow/rain tomorrow and for Wednesday, but the heaviest snow -fall is expected in the Northern Rockies.
For Champaign-Urbana, we can expect to see more typical high temperatures for Central Illinois in January with a high temperature of 35 °F for Tuesday, with the low temperature getting down to 23 °F. Skies will remain clear and mostly sunny throughout the day with a mild W/NW winds at 5-10 mph. For Wednesday, we can expect a slight warm up with a high temperature reaching 38 °F and a low of 30 °F. Most of the day will remain mostly cloudy with a calm ESE wind at 5 mph. There is no precipitation expected for Tuesday, but a possible isolated shower may happen during Wednesday afternoon.
My Champaign-Urbana forecast for Tuesday was pretty accurate with the high reaching 35°F and the low just off by 3 degrees as it only got down to 26°F, the wind was W/NW with an average wind speed of 8.8 mph, but the day actually ended up being more cloudy rather than sunny. However, my Wednesday forecast was off because instead of an isolated shower, we actually ended up with a wintry mix of freezing rain to sleet to even some light snow throughout the day into the evening putting the area under a Winter Weather Advisory. Temperatures were not as warm as I predicted with a high of only 33°F and a low of 25°F. While winds were out of the SE they were a little stronger than I forecasted with an average of 7.3 mph.
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