Fog began to form today, becoming slightly thicker throughout the day as temperatures rose above freezing. Even warmer air will melt our snowpack, adding even more moisture to the atmosphere and creating fog and rain over the next few days.

A Dense Fog Warning is in effect for all of western Wisconsin through midday Friday due to widespread, dense fog. In all areas with temperatures near and below freezing, moisture from fog can freeze on the roads, creating slippery areas.

Since the fog will continue tomorrow, be sure to use your headlights while driving. During the day, your car’s automatic light function detects that it is bright enough not to need lights, but does not know the weather conditions. Fog, rain or snow can reduce visibility. In these conditions you should turn on the lighting manually. Tomorrow there will be fog and rain reducing visibility.

The good news is that temperatures will rise overnight for most. This means that freezing fog isn’t as big of a threat. Still, chances of fog and rain are likely. Melting snow will add moisture available for fog and rain with high temperatures in the 40s.

Rain is expected over the next few days, although there will be isolated showers this evening and tomorrow before spreading tomorrow evening into Saturday morning. The total amount of rain or liquid equivalent will be between 1/2 and 1 inch in most cases, but may be over 1 inch in some places.

Scattered showers are possible overnight into Friday morning, with fog and clouds continuing throughout the day.

Widespread rain will approach the Chippewa Valley from the south later Friday afternoon or early evening.

Rain will become widespread, with moderate amounts of rain in the evening and overnight.

Rain could turn to snow overnight mostly north of WI-29, although a heavy, wet snowfall or wintry mix could cover much of the Chippewa Valley by Saturday morning.

Snow will begin to fall by mid-morning Saturday as the snow system moves east, with the last flakes and/or raindrops ending around noon or just after noon.

Partial sunshine cannot be ruled out until late Saturday afternoon.

Snow totals will not be impressive as the forecast for the low end is 0 inches as snow accumulation is not guaranteed. An accumulation of about a centimeter of wet, slushy snow cannot be ruled out at the upper end, with the best chance of reaching or possibly even exceeding about an centimeter north of WI-29, where there is a greater chance of lows on Falling to freezing Saturday morning, they may only be in the mid-30s elsewhere.

Highs will remain at or above 40°C throughout the weekend, with a chance of some sunshine late Saturday and Sunday. Another low pressure system will move through the Midwest Monday into Tuesday, but this system currently appears to be missing us to the south. Nevertheless, temperatures will return to average by the beginning of 2025.

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