Temperatures dropped behind a strong cold front Wednesday afternoon with
highs only reaching the upper 40s Thursday. Thursday morning started
with plenty of sunshine, but the cloud cover was quick to develop during
the late morning and afternoon. From the clouds, scattered rain
showers mixed with snow and graupel (soft snow pellets) formed, reducing
visibility down to only a few miles from time to time.
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| Sylvia Baker - Baileyville, IL |
The snow squalls that formed were a result of air rapidly rising through
the atmosphere. Cumulus clouds were quick to form, but didn't grow too
far in height. Underneath the clouds, snow and graupel fell. Strong
winds developed during the day, with winds gusting close to 50 mph
across northern Illinois. The strong winds from the afternoon have come
down a little, but will still remain gusty through the night. As the
sun sets, we've lost a little of the instability built up from earlier
in the day. This will help bring an end to the wintry weather for the
night. High pressure moving in Friday will leave skies partly cloudy
with highs back into the low 50s.
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