high pressure
Coverage of high pressure in the Nexus archive.
- Hot and dry weather for the Denver metro area through the weekend
The Denver metro area will experience hot and dry weather through the weekend, with temperatures reaching the upper 90s and potential record-breaking highs on Sunday. Relief is expected early next week as monsoonal moisture increases, bringing scattered showers and thunderstorms, though flash flooding remains a concern. A cold front will lower temperatures into the 80s by midweek.
- Dry for the plains, mountains recieve some rain
Southern Colorado experiences warm and dry weather due to a strong high-pressure ridge, while some areas in the country receive rain and storms.
- High heat continues in Carolinas ahead of increased weekend rain chances
High pressure is causing record heat and poor air quality in the Carolinas, with temperatures reaching the upper 90s and feels-like temperatures near 100 degrees. A Code Orange Air Quality Alert is in effect for Mecklenburg County. Rain chances increase this weekend, with scattered storms expected amid continued high heat.
- Warm and dry for interstate and plains with mountain showers
Hot and dry weather persists across Southern Colorado and the Interstate 25 corridor due to a high-pressure ridge, while mountain areas experience monsoon moisture. The eastern plains remain dry, with the exception of mountain showers.
- Dangerous Heat All Week
A heat advisory is in effect for Miami-Dade and Broward counties as temperatures reach mid-90s with a heat index of 110. The heat is expected to worsen by Thursday and Friday, with potential record highs, before breaking this weekend with increased rain chances. The National Hurricane Center reports no tropical development due to El Niño conditions, with the next storm name being Bertha.
- Full Steam Ahead!
South Florida experiences high temperatures in the 90s with persistent Saharan Dust causing hazy skies and dry weather. A High Pressure system near the Bahamas keeps winds light, while a second dust batch may arrive midweek before thinning. Prolonged heat is expected, with heat index values reaching 105-110º.
- Hot and dry pattern to start the week
Hot and dry weather persists in Southern Colorado due to a strong high-pressure ridge over the Rockies and Central Plains. This pattern is limiting rain chances and causing above-average temperatures, particularly affecting the Interstate 25 corridor and eastern plains.
- Hot and dry pattern takes full shape
Southern Colorado experiences a warm and dry day with high pressure strengthening over the Rockies. Isolated thunderstorms develop in the mountains during the afternoon and evening.
- Very Dusty and Hot Days this Week
South Florida experiences very hot days with Saharan dust causing hazy skies and reduced air quality this week. A Heat Advisory is in effect for Miami-Dade and Broward on Sunday, with high temperatures reaching the mid-90s and heat index values up to 108°F. The Atlantic remains quiet due to Saharan dust and wind shear, with record heat possible by midweek in Miami.
- Forecast: A picture perfect weekend ahead
High pressure will bring quiet, pleasant conditions to the Chicago area, while a rain-producing frontal boundary will cause wet weather in far southern Illinois and Indiana.
- Isolated storms in southern Colorado Friday ahead of long-duration heat
Isolated thunderstorms are expected in southern Colorado Friday, with decreasing storm coverage and potential severe weather hazards like hail and wind gusts. A high-pressure system will bring prolonged heat starting Saturday, with temperatures rising significantly across the region.
- Comfortable summer weather returns to Metro Detroit with isolated storms
Comfortable summer weather returns to Metro Detroit with partly sunny skies and mid-80s temperatures. Isolated showers and thunderstorms are possible south of I-94, with potential for gusty winds and hail. A heatwave is expected next week, pushing temperatures into the 90s.
- Storms Target Southeast Michigan Today Before a Beautiful Weekend Arrives
Southeast Michigan faces thunderstorms with potential severe weather today, followed by improving conditions and a dry, seasonable weekend. A heatwave may return next week with consecutive 90-degree temperatures.
- Dust-Filled Days
Saharan Dust is creating dry and hazy conditions across south Florida, Cuba, and the Bahamas. A weak tropical wave is moving through the Atlantic but is unlikely to develop into a tropical system, with persistent onshore flow and limited relief from heat and humidity expected. The dust will dominate through Thursday, with scattered rain chances possible by Friday before returning to dry, hot conditions.
- Warm-up continues in the midst of a third consecutive day with mostly sunny skies
A third consecutive day of mostly sunny skies continues as high pressure shifts east across Indiana, promoting a southerly flow that brings warmer temperatures.
- High pressure to bring a second day of sunny, quiet, comfortable July weather
High pressure is causing a second consecutive day of dry, sunny, and quiet weather in a water-ravaged area. Skies are expected to remain mostly sunny with scattered fair weather clouds.
- From Wetter to Drier
Heavy rain and storms affected multiple areas on Monday, with Miami experiencing low visibility due to afternoon storms. A Saharan Dust plume is expected to arrive by Wednesday, causing hazy skies and a prolonged drying trend despite typical July rainfall probabilities. The dust's presence will limit showers but not eliminate rain entirely.
- Seasonal Start, Showers Fade as Sunshine Returns
Southeast Michigan experiences a soggy start with scattered showers and isolated thunderstorms near Lake Erie, followed by improving conditions and dry, comfortable weather through Tuesday. Temperatures rise into the 80s, with the next chance of rain arriving by late Thursday as a new weather system approaches the Great Lakes.
- Holiday weekend Heat
Miami experienced a heatwave with a peak temperature of 92°F and a heat index over 100°F, prompting a Heat Advisory. Thunderstorms hit parts of Florida, but conditions improved by sunset. A Saharan Dust plume is expected to bring hazy skies and reduced rainfall later in the week.
- Molly says we stay dry until late afternoon and early evening for our 4th of July
The 4th of July will start with warm and muggy conditions under partly cloudy skies, with a high of 85. Showers and thunderstorms are expected by mid-afternoon but should clear before fireworks. A dry pattern will continue through Tuesday, with widespread storm chances returning by Wednesday.
- Clearing skies and lower humidity for midweek, ahead of incoming heat wave
High pressure is clearing skies and reducing humidity across the Carolinas, with storms east of I-77 diminishing. A drier trend is expected for the rest of the week ahead of an incoming heat wave.
- 6/23/2026: Cloudy start, better finish
Cloudy conditions persist in New England due to lingering low pressure, but clearing skies and warmer temperatures in the mid-70s are expected as high pressure moves in by late afternoon.
- Comfortably cool weather to continue for a 10th straight day
Comfortably cool weather is expected to continue for a 10th consecutive day, with abundant sunshine on Tuesday turning to clouds by the afternoon and evening. High pressure is bringing dry, quiet conditions for the second day in a row.
- Hot and Hazy days ahead
South Florida is experiencing a heat streak with an Air Quality Alert in Miami-Dade County due to stagnant pollutants from recent brush fires. Saharan Dust is expected to drift into the region by Tuesday, causing hazy skies and drier air, with lower rain chances for the week.
- June 21: Weather pattern fairly unchanged
The weather pattern in South Florida remains unchanged, with scattered showers and thunderstorms expected, particularly inland in Miami-Dade, Broward, and Monroe counties. Heat and humidity will increase, leading to heat index values in the low 100s, prompting advisories for hydration and caution during outdoor activities.
- Sunshine, less humidity expected in Charlotte region for holiday weekend: First Alert forecast here
The Charlotte region is expected to experience less humidity and sunny conditions for the Juneteenth and Father’s Day weekend, with highs in the 80s and 90s. A slight chance of isolated showers or thunderstorms is possible on Sunday, followed by a return to typical summer heat and humidity later in the week.
- Friday brings strongest sun intensity at peak time so far this year
Friday is expected to have the strongest sun intensity at peak time this year, with clear skies and comfortable temperatures. Thursday night will see cooling and diminishing winds, with lows ranging from the low to mid 50s inland to the low 60s in downtown Chicago.
- Quieter weather to follow Wednesday’s drenching downpours, gusty winds
Thursday begins with cloudy skies that are expected to become partly sunny by lunchtime as high pressure moves in from the northwest. A cold front is progressing toward the Northeast.
- Record Heat
Miami experienced a record high of 95°F, with heat advisories and smoke from a western Miami-Dade brush fire affecting air quality. High pressure will bring drier conditions by Thursday, while a potential tropical storm near Texas may develop but is expected to move inland soon.
- June 12: Isolated storms to develop in the afternoon, early evening
Isolated afternoon and evening storms are expected in South Florida due to shifting high pressure and increasing moisture levels. Rain chances are 50% over the weekend, with temperatures reaching upper 80s to low 90s and humid nights in the mid-to-upper 70s.
- Dangerous heat continues with another chance of severe storms
New York City is experiencing dangerous heat and severe thunderstorms as high pressure moves offshore and a cold front approaches from the west. Hazy, hot, and humid conditions are expected on Friday afternoon, with storms developing toward evening.
- Turning Steamier As Rain Chances Grow
South Florida is experiencing a rise in temperatures and humidity, with highs reaching the 90s and heat indices near triple digits by the weekend. Increased rain chances are expected due to shifting storm steering patterns, though dry periods will persist. A tropical wave near the Yucatán Peninsula has a low chance of development and poses no threat to the US.
- Still Steady weather
South Florida experiences steady weather with high cirrus and cumulus clouds limiting sunshine, temperatures near 90°F, and a high-pressure system causing easterly winds. A weather change is expected by Friday as moisture from the tropics increases, leading to more rain and potential heavy downpours.
- Sunny Skies Push Pasadena Temperatures Into Mid-80s by Midweek
Pasadena is experiencing rising temperatures and sunny skies through midweek as high pressure builds over Southern California. The National Weather Service reported highs reaching the mid-80s by Wednesday, with temperatures expected to peak at 86 degrees.
- June 9: Low rain chances again today with isolated afternoon showers possible
High pressure is maintaining a calm weather pattern with low rain chances today, particularly in Miami-Dade, Broward, and Monroe counties, though isolated afternoon showers are possible. Temperatures remain hot and humid, with rain chances expected to increase this weekend as tropical moisture moves into the region, leading to scattered to numerous showers and thunderstorms across South Florida.
- Just like June?
South Florida experiences typical June-like heat with passing clouds and ocean breezes providing temporary relief. Daylight hours approach 14 as the summer solstice nears on June 21. High Pressure systems limit rainfall, but increasing tropical moisture from the Caribbean is expected to raise rain and storm chances starting Thursday.
- June 8: Low rain chances for next few days
High pressure will keep South Florida hot and humid with low rain chances for the next few days, though afternoon showers may develop along the east breeze. A wetter pattern is expected late this week and into the weekend as a Gulf low-pressure system brings deeper tropical moisture and widespread thunderstorms.
- Steamy, but not stormy
South Florida experiences returning higher humidity with a light east breeze, driven by a sprawling High Pressure system. Rain chances remain lower than average early in the week, but a possible tropical disturbance near the Yucatan peninsula could bring increased moisture and potential storms later in the week.
- Gradual Changes
The weekend began with pleasant weather due to High Pressure off the SE coast of the United States, but gradual changes are expected as the pressure system moves away. Sunday brings slight rain and increased humidity, with more steamy conditions and widespread rainfall forecasted by midweek due to expanding Caribbean moisture.
- Temperatures to flirt with 2026’s warmest levels so far
Temperatures are expected to approach the warmest levels recorded in 2026 so far. High pressure off the east coast will drive a warm southwesterly flow, increasing regional temperatures despite occasional cloud cover.