
December Thaw Alert: Minneapolis Temps Soar to 40 Degrees
Minneapolis is poised for a significant and somewhat surprising December thaw this week, bringing a dramatic shift to our usual early winter landscape. After a recent spell of crisp, cold temperatures and accumulating snow, local forecasts indicate a rapid warming trend. The mercury is set to climb sharply, pushing well into the 40s by Tuesday, promising extensive melting, widespread puddles, and a temporary reprieve from deep winter, compelling residents to adjust their routines and prepare for a slushy transition.
A Mid-December Warm-Up on the Horizon
Get ready for an unmistakable temperature spike that feels more like early spring than mid-December. Local weather patterns indicate a strong push of warmer air is headed our way, driving temperatures steadily upwards. By Tuesday, Minneapolis will experience highs soaring into the 40-degree range, a stark contrast to the typical high of around 28-30°F we usually see this time of year. This notable deviation means that the snow and ice accumulated over recent weeks, which have been a familiar sight across yards, streets, and parks, will begin a rapid retreat. While this warm-up offers a welcome break from the deep chill, its temporary nature and immediate consequences demand our attention.
Navigating the Melt: Puddles, Slush, and Refreeze Risks
Puddle Paradise and Icy Hazards Underfoot
The immediate and most visible outcome of this thaw will be the pervasive presence of puddles and slush. As the sun works its magic and temperatures remain above freezing during the day, snowbanks will visibly shrink, and previously stubborn icy patches on sidewalks, driveways, and crosswalks will soften considerably. For pedestrians, this means navigating treacherous, uneven surfaces where soft slush can conceal deep puddles or uneven ground. The larger concern, however, arises as evening approaches. When the sun sets and temperatures inevitably dip back below freezing, often rapidly, this melted water will refreeze into incredibly dangerous black ice. This phenomenon creates an invisible, slick sheen on pavements and roads, posing a severe risk of slips, falls, and vehicle accidents. Extreme caution is paramount for anyone venturing out during early mornings and evenings, as conditions can shift from wet to dangerously icy within a matter of hours.
Addressing Drainage Challenges Across the City
Minneapolis’s extensive storm drain system faces a significant test during periods of rapid thaw. Many of these crucial drainage points may still be partially or entirely blocked by compacted snow, ice, or accumulated debris from previous winter events. These obstructions prevent melted snow and ice from flowing away efficiently, leading to exacerbated localized flooding. Street corners, low-lying intersections, and even personal property can become inundated with standing water. This can not only create inconvenience but also lead to potential property damage if water seeps into basements or garages. The city’s public works departments will be working to manage these issues, but residents play a vital role too. If it’s safe to do so, clearing snow and ice away from storm drains near your home can make a substantial difference in helping prevent severe localized pooling and ensures proper water runoff for the entire neighborhood.
What to Expect in the Coming Days
While Tuesday marks the peak of this impressive warm-up, the effects of the thaw will extend beyond a single day. We can anticipate continued melting and widespread slush conditions throughout the midweek, with variable speeds depending on sun exposure and local microclimates. South-facing slopes and blacktop areas will melt fastest, while shaded spots and north-facing surfaces will retain snow and ice longer, creating a patchwork of conditions. However, forecasts suggest that temperatures are projected to gradually return to more seasonal, colder norms later in the week. This return to freezing conditions means that the cycle of melting during the day and refreezing overnight will likely persist, maintaining hazardous walking and driving conditions. It is crucial for everyone to keep a close eye on updated local weather forecasts, as these dynamic conditions can change rapidly. Preparing for the next wave of cold is just as important as navigating the current thaw.
| Period | Typical Avg. High (F) | Forecasted High (F) | Deviation (F) |
|---|---|---|---|
| Early December | 28-30°F | < 25°F | -3-5°F |
| This Week (by Tues) | 28-30°F | 40°F | +10-12°F |
Note: These figures highlight a significant temporary departure from typical mid-December temperatures for Minneapolis.
Frequently Asked Questions About the December Thaw
- Will all the snow disappear?
No, not entirely. While significant melting will occur, especially on exposed surfaces, sunny spots, and blacktop, deeper snow piles, shaded areas, and heavily compacted snow will likely persist. Expect a reduction, but not a complete disappearance of our winter blanket. - Is this warm-up normal for December in Minneapolis?
While brief warm spells are not entirely unheard of in Minnesota winters, temperatures hitting the 40-degree mark in mid-December, particularly after a preceding period of colder weather, are notably above the seasonal average. It’s an uncommonly mild occurrence for this specific time of year. - What should I be most cautious about?
The primary concerns are widespread puddles and slush during daylight hours, which can quickly refreeze into extremely dangerous black ice overnight as temperatures dip. Always watch your step carefully when walking, wear appropriate footwear, and if driving, allow significantly extra braking distance and avoid sudden maneuvers. - How can I help with local drainage?
If it’s safely possible, consider taking a few moments to clear snow, ice, and any debris from storm drains near your property. This simple action can make a substantial difference in preventing localized street flooding and ensures that melted water can flow away properly, benefiting your entire neighborhood. - What about outdoor activities, especially for kids and pets?
Exercise extra vigilance. Puddles can hide sharp ice or uneven surfaces, posing risks for children playing. For pets, the slush and refreezing chemicals used on sidewalks can irritate paws, so consider paw protection and wipe paws after walks.
As Minneapolis navigates this dynamic and somewhat unusual December thaw, remembering to dress in layers, choosing waterproof footwear, and exercising extra caution on all surfaces are paramount. Stay vigilant to changing conditions and updated forecasts to ensure a safe and smooth transition through this unique chapter of our winter season.
Minneapolis December Thaw Temps Soar To Forties


