https://weatheronthisday.com/today Weather On This Day en 2026-08-21 August 21 Weather History: Boise's August Chill: The Morning It Felt Like Fall in 2000 https://weatheronthisday.com/news/tropical-storm-moke-2026 Weather On This Day en 2026-08-21T21:30:02+00:00 Tropical Storm Moke https://weatheronthisday.com/news/tropical-storm-lala-2026 Weather On This Day en 2026-08-21T21:00:02+00:00 Hurricane Lala https://weatheronthisday.com/news/little-giant-fire-2026 Weather On This Day en 2026-08-21T03:00:02+00:00 Little Giant Fire https://weatheronthisday.com/news/grasshopper-fire-2026 Weather On This Day en 2026-08-21T02:00:02+00:00 Grasshopper Fire https://weatheronthisday.com/news/kaiser-canyon-fire-2026 Weather On This Day en 2026-08-21T01:00:03+00:00 Kaiser Canyon Fire https://weatheronthisday.com/news/hagen-fire-2026 Weather On This Day en 2026-08-21T01:00:03+00:00 Hagen Fire https://weatheronthisday.com/news/aspen-acres-fire-2026 Weather On This Day en 2026-08-21T00:30:03+00:00 Aspen Acres Fire https://weatheronthisday.com/news/big-grass-fire-2026 Weather On This Day en 2026-08-21T00:30:03+00:00 Big Grass Fire https://weatheronthisday.com/news/sinlahekin-fire-2026 Weather On This Day en 2026-08-21T00:30:03+00:00 Sinlahekin Fire https://weatheronthisday.com/news/sand-creek-fire-2026 Weather On This Day en 2026-08-20T22:00:03+00:00 Sand Creek Fire https://weatheronthisday.com/news/coleman-creek-fire-2026 Weather On This Day en 2026-08-20T02:00:02+00:00 Coleman Creek Fire https://weatheronthisday.com/news/rowe-creek-complex-fire-2026 Weather On This Day en 2026-08-20T01:30:03+00:00 Rowe Creek Complex Fire https://weatheronthisday.com/news/0445-crosswhite-fire-2026 Weather On This Day en 2026-08-20T01:30:03+00:00 0445 Crosswhite Fire https://weatheronthisday.com/news/0587-shingle-fire-2026 Weather On This Day en 2026-08-20T01:00:03+00:00 0587 Shingle Fire https://weatheronthisday.com/news/modrite-fire-2026 Weather On This Day en 2026-08-20T01:00:03+00:00 Modrite Fire https://weatheronthisday.com/news/wrights-spring-fire-2026 Weather On This Day en 2026-08-20T01:00:03+00:00 Wrights Spring Fire https://weatheronthisday.com/news/second-flat-fire-2026 Weather On This Day en 2026-08-19T02:00:03+00:00 Second Flat Fire https://weatheronthisday.com/news/fox-fire-2026 Weather On This Day en 2026-08-19T02:00:03+00:00 Fox Fire https://weatheronthisday.com/news/bald-mountain-fire-2026 Weather On This Day en 2026-08-19T02:00:03+00:00 Bald Mountain Fire https://weatheronthisday.com/news/bug-fire-2026 Weather On This Day en 2026-08-19T00:30:03+00:00 Bug Fire https://weatheronthisday.com/news/widemouth-2-fire-2026 Weather On This Day en 2026-08-18T21:00:03+00:00 Widemouth 2 Fire https://weatheronthisday.com/news/bench-fire-2026 Weather On This Day en 2026-08-18T03:00:02+00:00 Bench Fire https://weatheronthisday.com/news/tatlanika-fire-2026 Weather On This Day en 2026-08-17T19:00:02+00:00 Tatlanika Fire https://weatheronthisday.com/news/cottonwood-fire-2026 Weather On This Day en 2026-08-13T20:00:03+00:00 Cottonwood Fire https://weatheronthisday.com/news/babylon-fire-2026 Weather On This Day en 2026-08-13T20:00:03+00:00 Babylon Fire https://weatheronthisday.com/news/ferris-fire-2026 Weather On This Day en 2026-08-13T20:00:03+00:00 Ferris Fire https://weatheronthisday.com/news/0476-hoag-fire-2026 Weather On This Day en 2026-08-13T20:00:03+00:00 0476 Hoag Fire https://weatheronthisday.com/news/hay-creek-complex-fire-2026 Weather On This Day en 2026-08-13T20:00:03+00:00 Hay Creek Complex Fire https://weatheronthisday.com/news/0433-brewer-fire-2026 Weather On This Day en 2026-08-13T20:00:03+00:00 0433 Brewer Fire https://weatheronthisday.com/news/0449-porcupine-ridge-fire-2026 Weather On This Day en 2026-08-13T20:00:03+00:00 0449 Porcupine Ridge Fire https://weatheronthisday.com/news/mouse-meadow-fire-2026 Weather On This Day en 2026-08-13T20:00:03+00:00 Mouse Meadow Fire https://weatheronthisday.com/news/tartar-fire-2026 Weather On This Day en 2026-08-13T20:00:03+00:00 Tartar Fire https://weatheronthisday.com/news/thumb-fire-2026 Weather On This Day en 2026-08-21T21:30:02+00:00 Thumb Fire https://weatheronthisday.com/news/bear-trap-fire-2026 Weather On This Day en 2026-08-20T21:30:03+00:00 Bear Trap Fire https://weatheronthisday.com/trends/when-does-it-start-snowing Weather On This Day en 2026-08-20 When Does It Start Snowing? The Average First-Snow Date for Every Major US City https://weatheronthisday.com/city/new-york-city/today Weather On This Day en 2026-08-21 New York City hits 93°F record on August 21, 2005 https://weatheronthisday.com/city/los-angeles/today Weather On This Day en 2026-08-21 Los Angeles hits 96°F on August 21, 1972 https://weatheronthisday.com/city/chicago/today Weather On This Day en 2026-08-21 Chicago hits 97°F on Aug 21 in sweltering 2003 record https://weatheronthisday.com/city/houston/today Weather On This Day en 2026-08-21 Houston hits 103°F on Aug 21, 2011 - a scorching record https://weatheronthisday.com/city/phoenix/today Weather On This Day en 2026-08-21 Phoenix hits 116°F on Aug 21, near peak summer heat https://weatheronthisday.com/city/philadelphia/today Weather On This Day en 2026-08-21 Philadelphia's August 21 peaked at 98°F in record-breaking 2005 https://weatheronthisday.com/city/san-antonio/today Weather On This Day en 2026-08-21 San Antonio reaches scorching 104°F on August 21, 2024 https://weatheronthisday.com/city/san-diego/today Weather On This Day en 2026-08-21 San Diego hits record 89°F on August 21, 1982 https://weatheronthisday.com/city/dallas/today Weather On This Day en 2026-08-21 Dallas sweltered to 107°F on this date in 1980 https://weatheronthisday.com/city/austin/today Weather On This Day en 2026-08-21 Austin hits 109°F on August 21, breaking heat record in 2024 https://weatheronthisday.com/city/jacksonville/today Weather On This Day en 2026-08-21 Jacksonville sweltered to 101°F on August 21, 2014 https://weatheronthisday.com/city/columbus/today Weather On This Day en 2026-08-21 Columbus hits record low of 48°F on August 21, 2024 https://weatheronthisday.com/city/charlotte/today Weather On This Day en 2026-08-21 Charlotte hit 103°F on this date in record-breaking 1983 heat https://weatheronthisday.com/city/san-francisco/today Weather On This Day en 2026-08-21 San Francisco hits 82°F on August 21, 1993: Near the warmest on record https://weatheronthisday.com/city/indianapolis/today Weather On This Day en 2026-08-21 Indianapolis hit 100°F on August 21, 1983 https://weatheronthisday.com/city/seattle/today Weather On This Day en 2026-08-21 Seattle hits 87°F on this August day, far above typical 74°F https://weatheronthisday.com/city/denver/today Weather On This Day en 2026-08-21 Denver's August 21 record hit 102°F, nearly 13 degrees above average https://weatheronthisday.com/city/boston/today Weather On This Day en 2026-08-21 Boston hit 94°F on this August day in 1995 https://weatheronthisday.com/city/detroit/today Weather On This Day en 2026-08-21 Detroit hits 92°F in 2003 on August 21 https://weatheronthisday.com/city/nashville/today Weather On This Day en 2026-08-21 Nashville hits record low of 54°F on August 21, breaking 41-year streak https://weatheronthisday.com/city/portland/today Weather On This Day en 2026-08-21 Portland hits 91°F on August 21, 2018: A scorching record https://weatheronthisday.com/city/memphis/today Weather On This Day en 2026-08-21 Memphis sweltered to 102°F on August 21, 1980 https://weatheronthisday.com/city/oklahoma-city/today Weather On This Day en 2026-08-21 Oklahoma City hit 104°F on August 21, 2023 https://weatheronthisday.com/city/las-vegas/today Weather On This Day en 2026-08-21 Las Vegas hits 111°F record on August 21, 1982 https://weatheronthisday.com/city/louisville/today Weather On This Day en 2026-08-21 Louisville hits 100°F record on August 21, 1983 https://weatheronthisday.com/city/baltimore/today Weather On This Day en 2026-08-21 Baltimore hits 95°F on this date in historic 1998 heat wave https://weatheronthisday.com/city/milwaukee/today Weather On This Day en 2026-08-21 Milwaukee hit 96°F on this August 21 in 2003 https://weatheronthisday.com/city/albuquerque/today Weather On This Day en 2026-08-21 Albuquerque hits near-century heat on August 21, record 99°F in 2020 https://weatheronthisday.com/city/tucson/today Weather On This Day en 2026-08-21 Tucson's August 21 can scorch at 110°F, but rarely drops below 66°F https://weatheronthisday.com/city/sacramento/today Weather On This Day en 2026-08-21 Sacramento hits 102°F on August 21, breaking heat record https://weatheronthisday.com/city/atlanta/today Weather On This Day en 2026-08-21 Atlanta hit 101°F on this date in scorching 1983 https://weatheronthisday.com/city/kansas-city/today Weather On This Day en 2026-08-21 Kansas City hits 105°F on August 21, 2003 https://weatheronthisday.com/city/raleigh/today Weather On This Day en 2026-08-21 Raleigh set sweltering record of 103°F on August 21, 1983 https://weatheronthisday.com/city/miami/today Weather On This Day en 2026-08-21 Miami hits 96°F on August 21, breaking heat record https://weatheronthisday.com/city/minneapolis/today Weather On This Day en 2026-08-21 Minneapolis hit 93°F on August 21, 1976 https://weatheronthisday.com/city/tampa/today Weather On This Day en 2026-08-21 Tampa hits 96°F in 2007, pushing August 21 limits https://weatheronthisday.com/city/new-orleans/today Weather On This Day en 2026-08-21 New Orleans hits 99°F on August 21, 1980 https://weatheronthisday.com/city/cleveland/today Weather On This Day en 2026-08-21 Cleveland hit 93°F on this date in 1974, nearly 20 degrees above average https://weatheronthisday.com/city/honolulu/today Weather On This Day en 2026-08-21 Honolulu hits 91 degrees on this August day in 2017 https://weatheronthisday.com/city/cincinnati/today Weather On This Day en 2026-08-21 Cincinnati hits 100°F on August 21, 1983 record high https://weatheronthisday.com/city/st-louis/today Weather On This Day en 2026-08-21 St. Louis hits 100°F on August 21, 1972 https://weatheronthisday.com/city/pittsburgh/today Weather On This Day en 2026-08-21 Pittsburgh hits 92°F record on August 21, 2019 https://weatheronthisday.com/city/anchorage/today Weather On This Day en 2026-08-21 Anchorage's August 21: Mild summer day with 2020 heat spike https://weatheronthisday.com/city/orlando/today Weather On This Day en 2026-08-21 Orlando hits 98°F on this August day, testing summer's limits https://weatheronthisday.com/city/richmond/today Weather On This Day en 2026-08-21 Richmond hits 95°F record on August 21, 1995 https://weatheronthisday.com/city/boise/today Weather On This Day en 2026-08-21 Boise hits 101°F on August 21: A blazing record from 2005 https://weatheronthisday.com/city/des-moines/today Weather On This Day en 2026-08-21 Des Moines hit 98°F on this date, a scorching August record https://weatheronthisday.com/city/birmingham/today Weather On This Day en 2026-08-21 Birmingham heat peaked at 102°F on this August day in 1983 https://weatheronthisday.com/city/salt-lake-city/today Weather On This Day en 2026-08-21 Salt Lake City hits 100°F on August 21, 2009 https://weatheronthisday.com/city/fargo/today Weather On This Day en 2026-08-21 Fargo hits 96°F on August 21, 1976—a sizzling record