Western monarch butterfly population suffers due to atmospheric river storms

After the highest initial count in two decades around Thanksgiving, atmospheric river-fueled storms led to the loss of the iconic western monarch butterflies.

Weather Webcast with Meteorologist Stephanie Barichello
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Sunny and slightly warmer today then a cold front passes Thursday afternoon dropping temperatures back into the teens on Friday. Despite the brief cold spell, we jump into the 30s and even 40s by next week.

Weather webcast with Rob Haswell
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High pressure moving to our east allows us to warm slightly on the western side of the highs as a southwest wind develops. Lots of sun today with highs in the low to mid 20s. We should stay at little warmer tonight with lows in the teens. Windy and slightly warmer tomorrow but a cold front arrives Friday plunging us back into arctic air. Highs will fall into the single digits and low double digits to wrap up the work week. A warming trend begins this weekend as highs surge back into the 30s and should reach 40 by early next week.

At The Rock Snowpark, workers embrace cold: 'Not afraid of it'
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At The Rock Snowpark in Franklin, workers are braving the cold. For anyone looking to ski, snowboard or tube, the cold brings another perk.

Weather Webcast with Tom Wachs
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Clear and cold overnight with wind chills between -5 and -15. Mostly sunny and becoming windy on Wednesday. Highs in the 20s with wind chills in the teens by afternoon.

At The Rock Snowpark, workers embrace cold: 'Not afraid of it'

At The Rock Snowpark in Franklin, workers are braving the cold. For anyone looking to ski, snowboard or tube, the cold brings another perk.

Weather Webcast with Tom Wachs
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Mostly clear and cold tonight. Wind chills between -5 and -15. Mostly sunny and windy on Wednesday with afternoon highs in the 20s and wind chills in the single digits/teens.

Transition into El Nino could lead to record heat around globe

The World Meteorological Organization reports fishermen first used the term El Niño off the coast of South America to describe the unusually warm water temperatures before Christmas.

Black-capped chickadee's spring song rings on year's coldest day

Black-capped chickadees have begun their spring song even on the coldest day of the year so far -- a sign that spring is just around the corner.

Weather Webcast with Meteorologist Stephanie Barichello
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Sunny and cold today with subzero wind chills then we reach into the 20s Wednesday and Thursday. Could have a few flurries Thursday as a cold front passes, otherwise expect much colder air again on Friday.

Where in the world has it never snowed?

Believe it or not, a tropical island has seen snow more recently than an area of Antarctica.

Weather webcast with Lisa Michaels
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Wind Chill Advisory for all of SE WI until 10am Tuesday. Wind Chills could be -20 to -25 below zero. Many sunny but cooler days in the forecast this week! The warmest days will be Wednesday and Thursday with highs in the mid/upper 20s. Another short cold snap sets in by Friday, but warming back into the 30s by the weekend.

Cold puts Lake Geneva Ice Castles back on track after delayed opening
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Wind chills between -20 and -25 expected Tuesday morning prompted a wind chill advisory for all of southeast Wisconsin. The builders of the popular Lake Geneva Ice Castles welcome the cold temperatures after the opening of the castles was delayed due to mild conditions.

Weather Webcast with Tom Wachs
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Wind Chill Advisory until 10am Tuesday. Morning wind chills between -20 and -25. Partly to mostly sunny on Tuesday afternoon with highs in the teens.

Cold puts Lake Geneva Ice Castles back on track after delayed opening

Wind chills between -20 and -25 expected Tuesday morning prompted a wind chill advisory for all of southeast Wisconsin. The builders of the popular Lake Geneva Ice Castles welcome the cold temperatures after the opening of the castles was delayed due to mild conditions.

Weather Webcast with Tom Wachs
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Wind Chill Advisory 9pm Tonight until 10am Tuesday. Wind chills will drop to between -20 and -25 by morning. Another cold day Tuesday but we will have some sun.

Weather Webcast with Meteorologist Stephanie Barichello
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Sunny but very cold today, and wind chills by morning could approach -25? in spots. We're at least back to middle 20s midweek and stay rather calm through the weekend.

Weather webcast with Lisa Michaels
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Frigid temperatures start off the week with single digits in the morning. Wind chill through the day can range to 10 below. Rounding out the end of the month with below average temps in the teens. Temperatures return back to the 20s mid-week. A calm week weather wise with lots of sunshine returning! Another round of cold sets in Friday before warming by the weekend. Next chance of snow is on Saturday/Sunday.