Weather for the Following Location: South Carolina on Map

Weather Forecast: Rain and Snow Across Southeastern and Northeastern US

Winter landscape with rain and snow mix

Southeastern and Northeastern United States, January 18, 2026

On January 18, communities in the Southeastern and Northeastern United States are bracing for a mix of rain and snow. South Carolina is expected to experience significant rainfall, particularly in Mullins, where temperatures will remain mild. Conversely, the northeastern states, including Philadelphia, may see a transition to wintery conditions with snow likely in the afternoons. As various regions get prepared for this weather shift, careful planning is advised for outdoor activities.

As Sunday, January 18, 2026, dawns, a significant shift in atmospheric conditions is anticipated across various regions, bringing a blend of rain and snow to different locales. From the southeastern coasts to the northeastern states, communities are preparing for precipitation, with some areas facing the likelihood of wintry conditions, underscoring the quiet, yet profound, influence of weather on the rhythms of daily life.

Southeastern United States: Rain and Lingering Chill

Across parts of South Carolina, Sunday is forecast to be predominantly wet, with several communities expecting substantial rainfall. In Mullins, SC, periods of rain are expected, potentially mixing with snow, as temperatures reach a high of 49°F. The chance of rain stands at 100%, with rainfall near half an inch, and winds will be from the northwest at 5 to 10 mph. A similar pattern is projected for Burton, SC, where a high of 49°F is expected with northwest winds at 10 to 15 mph. This area also faces a 100% chance of rain, with rainfall around a half an inch. Further along the coast, Myrtle Beach, SC, will experience cloudy skies with periods of rain and a high of 49°F. Winds from the northwest at 10 to 15 mph accompany a 100% chance of rain, with approximately a half an inch of rainfall predicted.

While rain is the dominant feature, a subtle possibility of snow remains for other parts of the state. In Aiken, SC, there is a small chance of snow on Sunday, January 18, 2026, though any accumulation is expected to be minimal, a reminder of winter’s fleeting touch in these milder climes. The varied forecasts across the state paint a picture of a day shaped by moisture, inviting a measured approach to travel and outdoor plans.

Northeastern United States: A Wintery Mix Takes Hold

Further north, a more distinct transition to wintery conditions is anticipated. For the region around 39.96N 75.16W, which encompasses the Philadelphia area, Sunday will begin with a chance of rain and snow before 7 AM, transitioning to snow likely thereafter. The day will remain cloudy, with a high near 34°F. A low of 31°F is also expected. This forecast underscores the persistent chill that often defines the winter season in this part of the nation, bringing with it the characteristic blend of precipitation that can alter the day’s usual course.

In a specific recreational area, the Douglaston Salmon Run region, Sunday’s forecast anticipates cloudy skies with snow likely in the afternoon. The high temperature is expected to be near 35°F, with winds from the west-southwest at 15 to 25 mph. The chance of rain stands at 100%, with rainfall near a half an inch, pointing to a day where the natural landscape will be actively reshaped by the elements. This blend of rain and snow highlights the nuanced interplay of temperature and moisture that defines winter weather. Generally, for certain areas, there is a 90 percent chance of precipitation, with less than an inch of new snow likely. Looking ahead to Monday, partly sunny skies are expected in some areas, offering a brief respite from the precipitation.

Broader Atmospheric Context and Historical Patterns

The current atmospheric conditions build upon recent patterns observed across the nation. In prior days, an eastbound disturbance traversed the North, bringing a mix of rain, freezing rain, and snow. This system contributed to daily-record precipitation totals for January in certain regions. Such occurrences serve as a quiet testament to the enduring power of weather systems to influence vast geographical expanses, shaping the landscape and human activity within it. The arrival of these weather patterns, whether gentle rain or soft snowfall, often invites a moment of contemplation on the enduring forces of nature and how they sculpt the days we live, reminding us of the delicate balance within our world.

Frequently Asked Questions

What is the weather forecast for Mullins, SC on Sunday, January 18, 2026?

Mullins, SC is forecast to have cloudy conditions with periods of rain on Sunday, January 18, 2026. The high will be 49°F, with a 100% chance of rain, and rainfall near half an inch. Winds will be from the northwest at 5 to 10 mph.

Is snow expected in Aiken, SC on Sunday, January 18, 2026?

There is a small chance of snow on Sunday, January 18, 2026, in Aiken, SC, but it is low and any accumulation would be minimal.

What are the expected conditions for the Philadelphia area (39.96N 75.16W) on Sunday, January 18, 2026?

For the Philadelphia area (39.96N 75.16W), Sunday, January 18, 2026, will have a chance of rain and snow before 7 AM, then snow is likely. It will be cloudy with a high near 34°F and a low of 31°F.

What is the precipitation chance and snow accumulation forecast for some general areas on Sunday, January 18, 2026?

There’s a 90 percent chance of precipitation, but less than an inch of new snow is likely in some general areas on Sunday, January 18, 2026.

What is the forecast for the Douglaston Salmon Run region on Sunday, January 18, 2026?

The Douglaston Salmon Run region expects cloudy conditions with snow likely in the afternoon on Sunday, January 18, 2026. The high will be near 35°F, with winds from the WSW at 15 to 25 mph. The chance of rain is 100%, with rainfall near a half an inch.

Key Weather Features for January 18, 2026

Location / Region Primary Precipitation High Temperature Precipitation Chance Notes
Mullins, SC Periods of rain (snow may mix in) 49°F 100% Rainfall near half an inch; Winds NW at 5 to 10 mph.
Burton, SC Periods of rain 49°F 100% Rainfall around half an inch; Winds NW at 10 to 15 mph.
Myrtle Beach, SC Periods of rain 49°F 100% Rainfall around half an inch; Winds NW at 10 to 15 mph.
Aiken, SC Small chance of snow Not specified Low chance Accumulation would be minimal.
Philadelphia Area (39.96N 75.16W) Rain and snow before 7 AM, then snow likely 34°F Likely Low 31°F; Cloudy conditions.
Douglaston Salmon Run Region Snow likely in the afternoon 35°F 100% (for rain) Rainfall near half an inch; Winds WSW at 15 to 25 mph.
General Areas Precipitation (less than an inch of new snow likely) Not specified 90% Partly sunny skies expected Monday.

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STAFF HERE MYRTLE BEACH
Author: STAFF HERE MYRTLE BEACH

The HERE Myrtle Beach Staff Writers are a collaborative team of journalists, editors, and local contributors passionate about delivering accurate, timely information to the Myrtle Beach community. As part of the HEREcity.com Network, which powers over 100 U.S. city sites including HEREcolumbia.com, our staff draws on collective experience in South Carolina journalism to cover everything from business sales and real estate developments to dining deals and community initiatives. Our Expertise and Background Local Roots in Myrtle Beach Our team includes lifelong Myrtle Beach residents and SC natives with deep knowledge of the area’s history, economy, and culture. We’ve covered key events like the recent developments along the Grand Strand, Myrtle Beach’s tourism and hospitality industry, and growth in local education sectors (e.g., Coastal Carolina University programs). Collective Experience With over 50 combined years in journalism, our staff has backgrounds in print, digital media, and community reporting. We prioritize fact-based stories, drawing from sources like the Myrtle Beach Area Chamber of Commerce, city government records, and on-the-ground interviews. Commitment to Quality Every article is a group effort, involving research, editing, and verification to ensure reliability. We adhere to journalistic standards, citing credible sources and updating content as new details emerge.

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