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Tuesday, June 23, 2026

U.S. Regional Forecasts

Mid-Atlantic Braces for Tuesday-Wednesday Storms

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Location: The Mid-Atlantic Date: Tuesday-Wednesday
On Tuesday and Wednesday, severe thunderstorms will sweep through the Mid-Atlantic, bringing damaging wind gusts and large hail. Flash flooding is also a concern, especially in areas where the ground is already saturated.

Severe Weather Threatens the Southeast on Tuesday

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Location: The Southeast Date: Tuesday
On Tuesday, an advancing cold front will bring severe thunderstorms to the Southeast, with a risk of very large hail and a few tornadoes.

Central Plains Prepare for Tuesday-Thursday Storms

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Location: The Central Plains Date: Tuesday-Thursday
A typical summertime thunderstorm complex will develop over the Central Plains on Tuesday, bringing damaging wind gusts and large hail. This activity will track southeastward into the southern Plains, maintaining a risk of flash flooding.

West and Southwest Swelter in Heatwave

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Location: The West and Southwest Date: Tuesday-Wednesday
Oppressive heat will continue to grip the West and Southwest through Wednesday, with daytime highs running 10 to 20 degrees above normal in many locations.

Northeast Experiences Cooler Temperatures

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Location: The Northeast Date: Tuesday-Wednesday
A cooler-than-average air mass will bring below-normal temperatures to the Northeast through Wednesday, providing a welcome respite from the typical summer heat.

What We're Watching

Tuesday June 30th - Thursday July 2nd
High risk of extreme heat for parts of the Mid-Atlantic region.
Slight risk of heavy precipitation from the eastern Dakotas eastward across the Upper and Middle Mississippi Valley.
Tuesday June 30th - Friday July 3rd
Moderate risk of extreme heat for the Southern Plains.
Tuesday June 30th - Saturday July 4th
Moderate risk of extreme heat for the Mid-Atlantic region.
Tuesday June 30th - Monday July 6th
Slight risk of extreme heat for much of the Great Plains.

Extended Forecast Analysis

Central Plains
Thursday-Friday
Expect heavy rain with 2-4 inches expected, leading to flash flooding and strong to severe thunderstorms.
Desert Southwest
Thursday-Friday
Temperatures will be extremely hot, reaching 110s in lower elevations, with 90s extending as far north as southern Idaho.
Pacific Northwest
Thursday-Saturday
Rainfall increases, with a storm system moving through the region, bringing scattered showers and thunderstorms.
Dakotas
Weekend
A larger area of heavier rainfall develops, with the main surface low ejecting eastward over the northern Plains.
East Coast
Thursday-Saturday
Scattered showers and thunderstorms are expected, with increasing low-level moisture in place.
Western High Plains
Thursday
Some strong to severe thunderstorms are possible, particularly across the western High Plains.
Southern High Plains
Weekend
Temperatures are likely to increase, with highs well into the 100s for western Texas, and building heat and humidity for much of the central and Eastern U.S.
East-central U.S.
Early next week
A return to hotter temperatures is expected, with highs above average for the region.