Thursday was a bitterly cold day in the Stateline with afternoon highs only reaching the teens for many. The cloud cover will clear out overnight, allowing temperatures to drop back into the single digits and near zero at times. Wind chill will be much improved from last night, but still below zero for most of the night.
Milder air starts to arrive Friday, with afternoon highs reaching back into the 20s. This is still seasonably cool but will feel like a heat wave compared to the Arctic chill we've seen lately!
We will remain dry through at least Friday night before our next waves of precipitation arrive Saturday. How quickly we see the onset of precipitation will have a big impact on what ends up falling from the sky. If we see precipitation falling as early as 8/9AM, it may fall in the form of snow or freezing rain initially, given the surface temperatures below freezing. The highest coverage of this appears to be in Iowa as of now, but any precipitation we see prior to noon will likely be of a frozen type.
By the mid-afternoon, surface temperatures will have risen into the mid and upper 30s, allowing any precipitation to fall as all rain. This will cause any previous freezing rain or snow to melt, improving any poor road conditions. Light to steady rainfall will then continue into the evening.
The Saturday morning window may be one to keep an eye on for slick travel with surface temperatures still below freezing. Any precipitation we see then will likely fall as a frozen type, including the potential for a glaze of freezing rain accumulation. By the afternoon, it will switch over to all-rain as temperatures climb well into the 30s. We could see some spots pick up around 0.25" of rainfall by Sunday morning.
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