Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken Read More >

Dangerous Heat Through Monday!

Thunderstorm Chances Today through Tonight

Heat Index Forecast Through Monday

Heat Safety Tips

Heat and humidity continues to build with peak heat indices between 105-110 degrees expected today and Monday for much of the outlook area! Extreme Heat Warnings and Heat Advisories are in effect today, and there is an area-wide Extreme Heat Watch for Monday.

Low coverage showers and storms are possible today, with slightly higher chances overnight (20 - 40%). Confidence remains low on areal coverage, but with an unstable air mass in place a few of the storms could be strong to severe. The primary concerns are localized damaging winds, frequent lightning, and heavy downpours.

Here is the latest Heat Index forecast and trends through Monday (7/27).

With humid conditions once again in the forecast, please remember to practice heat safety tomorrow and Monday! If outside, drink plenty of water and take frequent breaks in the shade.

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Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

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