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The first full week of June will feel like summer in much of the West and Plains while cooler conditions are anticipated in the Northeast and along the California coast.

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The weather pattern in the week ahead will feature an upper-level ridge of high pressure over parts of the western and central U.S., which will allow dry and hot conditions to dominate there.

Meanwhile, upper-level troughs, or southward dips in the jet stream, will be in place over the Northeast and just off the West Coast, resulting in cooler temperatures.

(MORE: Meteorological Summer Has Begun, But Was This a Year Without a Spring?)

Below, we take a closer look at what to know about the weather in the week ahead.

1. Coastal Low Impacts Northeast

An area of low pressure will move along the Northeast coastline on Monday bringing rain to much of New England throughout the day.

In addition to the rainfall, cool temperatures are expected in the Northeast, where highs will be up to 15 degrees cooler than average for early June. For many areas, this translates to highs only in the 50s and lower 60s.

(MAPS: 10-Day Forecast)

Breezy conditions are also possible toward the coast.

The cool and wet weather pattern will be reinforced on Tuesday as another area of low pressure moves from eastern Canada into the Northeast.

That weather system will keep temperatures near or below early-June averages in the Northeast through midweek. 

2. Heat Builds in the West and Southern Plains

The southern ridge of high pressure that has brought intense heat to the southern Plains recently has temporarily moved westward, resulting in a brief break in the above-average temperatures. 

(MORE: June Temperature Forecast)

However, the heat will begin to build back into the southern Plains by midweek and expand across the West. 

High temperatures in the 90s and 100s will stretch from the Southwest into Texas and as far north as Salt Lake City into midweek.

Low temperatures will also be warmer than average for most areas, adding to the uncomfortable heat. 

Daily record highs and record-warm lows are also possible.

3. Thunderstorms Expected in Northern Plains, Midwest, South

Several disturbances will bring scattered thunderstorms in the week ahead. Due to the dome of heat across the West, the track for these systems will generally be across the northern tier and into the Midwest and portions of the Plains.

Areas from the northern Rockies into the northern Plains, Midwest and Great Lakes will see the chance for storms in the week ahead. This type of weather pattern can give birth to thunderstorm complexes that produce severe weather and/or locally heavy rain in those regions, but details are uncertain at this time.

(MAPS: Weekly Planner)

Scattered thunderstorms are also anticipated from the southern Plains into the lower Mississippi Valley early this week, with strong to severe storms a possibility.

4. Cool, Cloudy Conditions Continue Along California Coast

As mentioned before, heat will build in the Southwest early this week, but there will likely be enough of an onshore flow to bring cooler temperatures to the California coast.

In addition to the cooler conditions, low clouds over the ocean will develop and move toward the California coast, bringing cloudy conditions and fog in the morning. The good news is that by the afternoon, there should be enough mixing for the marine layer to retreat.

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The result will be highs in the 60s and 70s near the California coast while 80s and 90s will be common just a bit inland.

Areas just a little farther inland will see very different weather conditions of clear skies and hot temperatures early this week.

However, later in the week, a weak trough of low pressure will slide eastward, which will increase the coverage of overnight and morning low clouds farther inland. This will bring temperatures closer to average for much of California.

5. Watching the Eastern Pacific

While the Atlantic Basin has already seen its first named storm of the season, the Eastern Pacific is still waiting.

Tropical Depression One-E formed on May 10 in the Eastern Pacific but did not strengthen into a named storm.

Now, there is a broad area of low pressure that is expected to develop in the week ahead a few hundred miles south of the southern coast of Mexico in the Eastern Pacific.

Gradual development of this system is anticipated, and a tropical depression is likely to form on Wednesday or Thursday as it tracks toward the west-northwest.

(MORE: Hurricane Central)

This potential system could become a tropical storm, and if so, it would be named Aletta.

At this point, it is expected to track far enough off the Mexican coast that there would be little to no impact to land.