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Tuesday, 18 August 2026 · Morning editionToronto ☀ 16°CS&P/TSXCAD/USD 0.7215 · CAD/EUR 0.6224About UsOur TeamSourcesContactNewsletter

Usa Weather

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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Perspective Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.

🌤️29°C
Mainly clearUu015fakFeels like 29° · Wind 15 km/h · Humidity 32%
UV 8 Very HighSunrise 06:19Sunset 19:53
Today🌤️29°16°💧0%
Wed🌤️31°16°💧0%
Thu🌤️33°17°💧0%
Fri34°19°💧0%
Sat🌤️33°19°💧0%
Sun☀️33°17°💧0%
Mon☀️35°18°💧0%

Live data from Open-Meteo · updates automatically ·

Keep an eye on the live forecast above as a reference point while we track conditions across the border — a broad weather pattern is sweeping the United States this week, mixing late-winter chill with early spring warmth depending on your latitude.

What is driving the weather in the United States right now?

A strong jet stream dipping south out of western Canada is pulling cold air into the northern Plains and Great Lakes, while a separate ridge of high pressure keeps the southern tier unseasonably mild. That contrast is triggering a storm track that reaches from the Rockies through the Ohio Valley. For Canadians checking the weather in united states tomorrow, expect a sharp temperature gradient — highs near freezing in Minneapolis while Dallas pushes 20°C. The us weather radar shows bands of snow and rain stretching from Nebraska through Pennsylvania, with freezing rain possible along the I-80 corridor overnight.

What should travellers and forecast-watchers expect over the next week?

The 7 day national weather forecast map suggests a progressive pattern: the northern cold shot moderates by midweek, but another Pacific trough arrives for the west coast by Thursday. If you are consulting a us weather map for planning, note that the weather 10 days outlook keeps the southeast mostly dry and warm, while the northeast sees a messy mix of rain and wet snow into the weekend. The weather radar loop out of the central U.S. will be worth checking if you are driving south from the border — bands of convective showers may intensify over the Gulf states.

Highest temp (forecast)29°C, Phoenix
Lowest temp (forecast)-18°C, International Falls
Storm risk areaOhio Valley: freezing rain possible Tue–Wed
Canadian impactSouthern Ontario and Quebec feel the cold outflow Mon–Tue
How does the weather in united states 10 days look for Canadians crossing the border?

The 10-day trend shows a moderation of the cold snap after Wednesday, with the eastern U.S. returning to near-normal March temperatures. Border crossings from Manitoba into North Dakota may still see lingering snowpack.

Where can I find reliable us weather radar before a road trip?

The U.S. National Weather Service provides the most accurate radar loops at weather.gov. For a quick cross-border view, the weather radar feed on Canada’s weather hub links to continental composites that work well for trip planning.

Will the storm track affect Canadian cities?

Yes — that same low-pressure system will brush southern Ontario and Quebec by late Tuesday. Check Toronto Weather and Ottawa Weather for updated timing, as the rain-snow line may shift north of the border.