• UK records hottest spring day on record as temperatures reach 34.8°C (94.6°F)

    A historic heatwave intensified across the UK on May 25, with 13 locations provisionally breaking the country’s all-time May temperature record. Kew Gardens reached 34.8°C (94.6°F), surpassing the previous record of 32.8°C (91.0°F), while temperatures above 30°C (86°F) expanded across large parts of England. Forecasts show the heat persisting into May 26, with London potentially reaching 35°C (95°F).

  • UK forecasts hottest May day on record amid amber heat alerts

    The United Kingdom could record its hottest May day in Met Office records on Monday, May 25, with highs forecast to reach 35°C (95°F).  Unusually warm overnight conditions have already set a provisional national daily minimum-temperature record for the month of May.

  • Record March heat accelerates peak of wildflower bloom in Death Valley National Park

    A record-breaking March heat wave across the southwestern United States accelerated the wildflower bloom cycle in Death Valley National Park, causing peak conditions to occur earlier than typical seasonal patterns. The National Park Service (NPS) reported that lower elevation flowers have already begun setting seed following intense heat and high winds, while the National Weather Service (NWS) reported that hundreds of daily temperature records were set or tied across parts of the region.

  • Record heat spreads east as over 200 record highs are forecast across the U.S.

    Record heat is forecast to persist across parts of the western and central United States through March 25, 2026, with the National Weather Service warning that more than 200 daily record highs could be set as above-normal temperatures spread from the West back into the central and southern Plains. A brief cooldown over parts of the central and eastern U.S. on March 23 is expected to be short-lived. The Storm Prediction Center has issued a severe thunderstorm outlook for Thursday, March 26, covering areas from northeast Missouri to western and northern Ohio.

  • Extreme March heat reaches 44.4°C (112°F) as multiple states set records in the western United States

    An intense early-season heatwave pushed temperatures to extreme levels across the southwestern United States between March 18 and 22, 2026, as a persistent high-pressure ridge produced widespread daily and monthly March temperature records. Record heat was reported across Arizona, California, Nevada, and other parts of the western United States.

  • Las Vegas sets new March record as historic heat spreads across the U.S. Southwest

    A historic March heat event affected the U.S. Southwest on March 19 and 20, 2026, setting a new March temperature record in Las Vegas, Nevada, and a new highest March temperature ever recorded in the United States near Martinez Lake, Arizona. Multiple daily and monthly records were also broken across parts of Nevada, California, and Arizona, while authorities in Phoenix closed some hiking trails because of heat risk.

  • Early-season heatwave intensifies across western United States, Extreme Heat Warnings issued

    An anomalously early-season heatwave intensified across the western United States on March 18, 2026, with Extreme Heat Warnings in effect for parts of the Desert Southwest and temperatures forecast to expand east into the Rockies and Great Plains by March 20. Highs are expected to reach 40–44°C (104–112°F) in the hottest desert regions, with numerous daily and some monthly March records likely to be broken.

  • Extreme Heat Watches issued for California and Arizona as anomalous heat intensifies across parts of the Southwest

    Extreme Heat Watches have been issued for parts of California and Arizona as an anomalous and unusually prolonged heat event intensifies across the Southwest United States. Watches begin Monday, March 16, 2026, in parts of Southern California, then expand into parts of Arizona and southeast California later in the week, with some desert areas forecast to reach up to 43°C (109°F) and temperatures in some locations rising 11–17°C (20–30°F) above normal for mid-March.

  • Record-breaking February temperatures spread across France

    Temperatures in France reached levels typical of May on February 25–26, 2026, breaking multiple February records, according to Météo-France. The highest readings occurred in the southwest, where Pomps (Pyrénées-Atlantiques) reached 28.4°C (83.1°F) and Orthez (Pyrénées-Atlantiques) 28.3°C (82.9°F), about 14°C (25°F) above normal. Several other stations also registered new monthly records.