Texas, Colorado, Kansas, California and Arizona Lead United States Toward Hottest March on Record as 6–10 Day Heat Outlook Expands Into Early April
UNITED STATES — March 2026 is now on track to become the hottest March ever recorded across the United States, with national temperatures averaging nearly 8 degrees above normal — an extraordinary anomaly for early spring.
And despite a strong cold front sweeping across parts of the country this week, long-range outlooks show the brutal, summer-like heat is expected to continue through the end of March and into early April.
6–10 Day Outlook Shows Widespread Above-Normal Heat
The latest 6–10 day temperature probability outlook, valid from March 28 through April 1, paints a striking picture: a massive area of above-normal temperatures covering most of the western two-thirds of the country.
The core of the heat dome centers over:
- California
- Nevada
- Arizona
- Utah
- Colorado
- New Mexico
- Texas
- Oklahoma
- Kansas
- Nebraska
Much of this region shows high probabilities — in some areas exceeding 70–90% — of temperatures running above seasonal averages.
Plains and Rockies Remain in the Bullseye
The most intense heat anomalies are projected across:
- Western Texas
- Eastern New Mexico
- Colorado
- Wyoming
- Montana
- Utah
- Arizona
This follows a stretch of record-breaking highs already observed across cities such as Denver, Amarillo, Phoenix and Tucson earlier this month.
The persistence of this pattern suggests the warm regime is not a short-lived spike but part of a broader atmospheric setup favoring sustained ridging over the western and central United States.
Southeast and Gulf Coast Also Trending Warm
Above-normal temperatures are also expected across:
- Louisiana
- Mississippi
- Alabama
- Georgia
- Florida
- Tennessee
- Arkansas
- Missouri
While probabilities are slightly lower than the central heat core, much of the South remains favored for warmer-than-average conditions heading into early April.
Northeast the Exception — For Now
In contrast, portions of the Northeast, including:
- Maine
- New Hampshire
- Vermont
- Parts of New York and Massachusetts
show higher probabilities for near- or slightly below-normal temperatures during the same period.
However, even in those regions, the broader national average remains strongly skewed toward warmth.
Cold Front Offers Only Temporary Relief
A strong cold front is moving across parts of the country this week, briefly knocking temperatures back closer to seasonal norms in some areas.
But the long-range outlook indicates that any cooldown will be temporary, with above-normal warmth reasserting itself across much of the central and western U.S. shortly thereafter.
A Historic March Nearly Locked In
With only days remaining in the month, March 2026 appears poised to finish as the warmest March on record nationwide.
An average temperature anomaly approaching 8 degrees above normal across the country is an extraordinary margin — especially for a month that typically marks the transition from winter to spring.
As the calendar turns toward April, much of the United States may continue feeling more like early summer than early spring.
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