National Weather Service

Here's a look at the estimated three day rainfall totals from this weekend for portions of Indiana, and Kentucky

Here are the latest key messages on the developing dangerous heat wave expected to impact most of the central to eastern U.S. through this holiday weekend.

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⚠️Excessive Heat Warning in effect this afternoon through Tuesday evening 🌡️High temperatures in the mid and upper 90s this week 🌡️Low temperatures in the mid and upper 70s 🌡️Heat Indices in the 100-110 range 🥤Stay cool and hydrate this week

Here is an overview of conditions as the first heat wave of the season builds across the Midwest. Peak afternoon heat indices are expected to be around 105°F during an extended stretch. Increasing storm threat late in the week may temper heat in spots. #ILwx #INwx

Another day of widespread critical fire weather conditions are expected today with gusts in the 40 to 50 mph range. This will lead to another day of strong fire behavior with smoke from nearby fires impacting air quality and visibility. Red Flag Warnings in effect. #COwx #UTwx

Snow is falling above 7000 feet this morning in Southwest MT. Here is an image from Big Hole Pass at 7400 feet on Highway 278. #mtwx

Dangerous to record setting heat will expand across the eastern two-thirds of the nation this week. Be sure to follow your local forecast information from weather.gov and heat.gov

After a lull in activity this morning, an additional round of thunderstorms is developing this afternoon into tonight. Some storms may be strong to severe with the potential for damaging winds, large hail, and possibly a few tornadoes.

High winds and dry conditions have triggered Wind Advisories and Red Flag Warnings for northern AZ today thru Sun. Expect difficult driving and potential for rapid fire spread. T-storms near the Navajo Nation and AZ/NM border today also raise the potential for new fires. #azwx

Few showers continue this afternoon behind a front that passed this morning. There remains a 15-20% chance of a lightning strike through the evening for a convergence zone in Snohomish/Skagit Counties. Thunder threat will end at dusk as the band moves southward overnight. #wawx

Be sure to follow weather.gov and heat.gov

What do the SPC fire weather outlook categories/levels mean? These graphics break down the various categories, and what broader forecast conditions could be expected at each level. More info at: spc.noaa.gov/products/fire_….

If a wildfire threatens your area, stay informed of evacuation orders. Leave immediately when asked to avoid being caught in fire, smoke or road congestion. Have an emergency supply kit in your vehicle and know your evacuation route. More: weather.gov/safety/wildfire

Dangerous fire weather conditions are forecast across portions of the Great Basin and Southwest today as a robust fire weather pattern begins for an expansive portion of the Intermountain West.

Scattered severe thunderstorm development is possible today, particularly this afternoon into tonight across parts of the Ozark Plateau into lower Ohio Valley and across parts of the northern High Plains to the Black Hills vicinity. weather.gov

Weather has its own rulebook. Know the calls! 🟨 Watch = Get ready. Dangerous weather is possible. 🟥 Warning = Take action now! Dangerous weather is happening. Knowing the difference can save your life.

Dangerous fire weather conditions are expected across portions of the Great Basin and Southwest on Friday. Dry and windy conditions will allow any new or existing wildfires to spread rapidly. Stay alert to the forecast at weather.gov and follow instructions from emergency officials.

A robust fire weather pattern is expected across an expansive portion of the Intermountain West through the middle of next week. Dry thunderstorms on Wednesday/Thursday will be followed by multiple days of exceptionally dry and breezy conditions will promote significant fire weather concerns for any new ignitions, lightning holdovers, and ongoing large fires across the western U.S.