Indianapolis: Sun 21: Mostly cloudy with periods of rain, some heavy, and a thunderstorm in the afternoon; watch for flash flooding, H/L 77/65°F; Mon 22: Breezy in the morning, then mainly cloudy and humid with a thunderstorm, H/L 76/56°F; Tue 23: Pleasant and less humid with intervals of clouds and sunshine, H/L 77/60°F; Wed 24: Pleasant with times of clouds and sun, H/L 76/59°F; Thu 25: A couple of morning showers, then partly sunny, H/L 76/58°F; Fri 26: Mostly sunny, H/L 78/60°F; Sat 27: Sun through high clouds, H/L 80/62°F; Sun 28: A little morning rain, then humid with clouds breaking for some sun, H/L 82/65°F. Planning: Sunday and Monday carry the main rain, thunderstorm and flooding concern; Tuesday through Saturday trend more comfortable before rain chances return next Sunday.
Chicago: Sun 21: Cooler with periods of rain, some heavy, and a thunderstorm, becoming breezy in the afternoon; watch for flash flooding, H/L 67/60°F; Mon 22: A morning shower in places, then mostly sunny and breezy, H/L 68/57°F; Tue 23: Intervals of clouds and sun, H/L 69/61°F; Wed 24: Mostly cloudy with morning showers and a spotty afternoon shower, H/L 72/59°F; Thu 25: A passing morning shower, then intervals of clouds and sunshine, H/L 71/60°F; Fri 26: A stray morning shower, then mostly sunny, H/L 72/62°F; Sat 27: Partly sunny, H/L 73/66°F; Sun 28: Mostly sunny and humid, H/L 77/69°F. Planning: Sunday is the most disruptive day for rain, thunder and flash-flood potential; Monday improves quickly, while midweek remains somewhat unsettled.
London: Sun 21: Very warm with partial sunshine, H/L 85/66°F (29/19°C); Mon 22: Hot with clouds and sun; heat illness risk rises during strenuous activity, H/L 90/68°F (32/20°C); Tue 23: Mostly sunny and sweltering, H/L 91/69°F (33/21°C); Wed 24: Hot with plenty of sunshine, H/L 90/66°F (32/19°C); Thu 25: Mostly sunny and very warm, H/L 86/64°F (30/18°C); Fri 26: Mostly sunny and hot, H/L 90/67°F (32/20°C); Sat 27: Hot with plenty of sunshine, H/L 91/71°F (33/22°C); Sun 28: Mostly cloudy and very warm, H/L 88/67°F (31/19°C). Planning: A Met Office amber extreme-heat warning covers the early-week peak; hydration, shaded travel plans and checks on vulnerable people are the main concerns.
Sydney: Sun 21: Radiant sunshine, H/L 18/10°C; Mon 22: Mostly sunny, H/L 18/9°C; Tue 23: Plenty of sunshine, H/L 18/11°C; Wed 24: Mostly sunny with a steady breeze, H/L 16/12°C; Thu 25: Partly sunny with a couple of afternoon showers, H/L 18/11°C; Fri 26: Mostly cloudy with a little afternoon rain, H/L 16/12°C; Sat 27: Cloudy start, then sunshine returns, H/L 18/12°C; Sun 28: Clouds followed by a brightening sky, H/L 18/11°C. Planning: The first half of the week is dry and favorable; Thursday and Friday carry the main light-rain risk before the weekend improves.
Hong Kong: Sun 21: Mostly cloudy, H/L 27/24°C; Mon 22: Sun and some clouds, H/L 28/24°C; Tue 23: Rather cloudy with occasional afternoon rain, H/L 28/24°C; Wed 24: Morning shower in the area, otherwise mostly cloudy, H/L 29/25°C; Thu 25: Mostly cloudy with a thunderstorm in one or two spots, H/L 30/24°C; Fri 26: Cloudy and very warm with a shower in the area, H/L 31/26°C; Sat 27: Cloudy with a shower in the area, H/L 30/26°C; Sun 28: Mostly cloudy with spotty morning showers and a little afternoon rain, H/L 27/24°C. Planning: The city begins the period after red-rain and landslide-warning conditions, so saturated slopes, drainage issues and transport delays remain practical concerns even as rainfall becomes less extreme.
Rio de Janeiro: Sun 21: Partly sunny and nice, H/L 24/18°C; Mon 22: Partly sunny and humid, H/L 26/20°C; Tue 23: Rather cloudy and humid with a couple of afternoon thunderstorms, H/L 24/18°C; Wed 24: A couple of morning showers, then cloudy and cooler, H/L 20/17°C; Thu 25: Cloudy with a little afternoon rain, H/L 20/19°C; Fri 26: Sun through high clouds, H/L 24/20°C; Sat 27: A couple of morning showers, then decreasing clouds and humid, H/L 24/20°C; Sun 28: Partly sunny and humid, H/L 24/19°C. Planning: Tuesday through Thursday carry the main shower and thunderstorm signal; Friday and Sunday look better for outdoor plans.
New York: Sun 21: Sunshine mixing with clouds, H/L 83/66°F; Mon 22: Humid with periods of rain and a thunderstorm; ponding possible on streets and highways, H/L 71/65°F; Tue 23: Partly sunny, warmer and less humid, H/L 82/67°F; Wed 24: Intervals of clouds and sun, H/L 83/66°F; Thu 25: Considerable cloudiness with a couple of showers, H/L 79/68°F; Fri 26: Thick cloud cover with periods of rain and an afternoon thunderstorm, H/L 78/67°F; Sat 27: Sunny much of the time, H/L 82/66°F; Sun 28: Periods of rain, H/L 80/68°F. Planning: Monday and Friday are the main travel-disruption days; Saturday currently looks like the best outdoor window.
Boston: Sun 21: Sunshine and a few clouds, H/L 76/61°F; Mon 22: Periods of rain and a thunderstorm; ponding possible on streets and highways, H/L 72/63°F; Tue 23: A bit of morning rain, then sunshine returns after a cloudy start, H/L 77/60°F; Wed 24: Mostly sunny, H/L 78/62°F; Thu 25: Sun followed by clouds, H/L 76/61°F; Fri 26: Considerable cloudiness, H/L 73/63°F; Sat 27: Sunny to partly cloudy, H/L 76/62°F; Sun 28: Cloudy with occasional rain, H/L 75/64°F. Planning: Monday is the wettest early-week concern; Wednesday and Saturday look most reliable before rain chances return next Sunday.
Miami: Sun 21: Times of clouds and sun with a thunderstorm in parts of the area; nearby lightning may affect outdoor events, H/L 91/81°F; Mon 22: Sun and clouds with a thunderstorm in parts of the area, humid, H/L 90/84°F; Tue 23: Intervals of clouds and sun with a couple of showers, humid, H/L 88/80°F; Wed 24: Humid with intervals of clouds and sun and an afternoon thunderstorm in parts of the area, H/L 90/79°F; Thu 25: Partly sunny and humid with a shower in the area, H/L 88/81°F; Fri 26: Variable clouds with a thunderstorm in spots, H/L 89/79°F; Sat 27: Rather cloudy with a couple of thunderstorms, H/L 87/80°F; Sun 28: Mostly cloudy with a little morning rain and a spotty afternoon shower, H/L 88/81°F. Planning: Heat, humidity and lightning risk continue every day; outdoor plans need quick shelter options even when rainfall is scattered.
Washington: Sun 21: A blend of sun and clouds, H/L 87/71°F; Mon 22: Some sun, then clouds with a thunderstorm; humid and breezy in the morning, H/L 84/67°F; Tue 23: Sunshine and a few clouds, H/L 85/64°F; Wed 24: Mostly cloudy, H/L 84/67°F; Thu 25: Variable clouds with thunderstorms, H/L 85/68°F; Fri 26: Peeks of sunshine, humid, with a couple of thunderstorms mainly late, H/L 85/68°F; Sat 27: Mostly sunny and less humid, H/L 87/71°F; Sun 28: Mostly cloudy with a little rain, H/L 88/71°F. Planning: Monday, Thursday and Friday carry the main thunderstorm windows; Saturday is the best late-week outdoor period.
Atlanta: Sun 21: Cloudy and humid with an afternoon thunderstorm, H/L 87/73°F; Mon 22: Mostly cloudy and humid with a thunderstorm, H/L 85/71°F; Tue 23: Cloudy and humid with a couple of showers and a thunderstorm; heavier downpours may cause localized flooding, H/L 84/67°F; Wed 24: Humid with morning thunderstorms followed by rain and a thunderstorm in the afternoon, H/L 87/68°F; Thu 25: A spotty morning thunderstorm, then humid with peeks of sunshine, H/L 88/69°F; Fri 26: Humid with peeks of sunshine and a spotty afternoon thunderstorm, H/L 87/69°F; Sat 27: Times of clouds and sun, H/L 88/70°F; Sun 28: Mostly cloudy and humid with a little rain, H/L 88/72°F. Planning: Sunday through Wednesday are the most active days; lightning and brief heavy rain may affect travel and outdoor events.
Dallas: Sun 21: Clouds and breaks of sun, breezy and humid, H/L 94/77°F; Mon 22: Partial sunshine with a thunderstorm, very warm and humid, H/L 94/76°F; Tue 23: Mostly cloudy and humid, H/L 90/76°F; Wed 24: Humid with sun and clouds and a couple of afternoon thunderstorms, H/L 91/75°F; Thu 25: Sunshine and a few clouds, H/L 91/76°F; Fri 26: Rather cloudy, H/L 93/77°F; Sat 27: Cloudy start, then sun returns, H/L 95/80°F; Sun 28: Mostly cloudy and very warm, H/L 97/81°F. Planning: Heat and humidity are steady all week; Monday and Wednesday bring the main thunderstorm chances, while late-week heat becomes more demanding.
Denver: Sun 21: Times of clouds and sun, H/L 89/55°F; Mon 22: Partly sunny with an afternoon thunderstorm, H/L 85/54°F; Tue 23: Increasing sunshine, H/L 80/60°F; Wed 24: Partial sunshine, H/L 87/62°F; Thu 25: Sun and some clouds with a couple of showers and a thunderstorm mainly early, H/L 84/63°F; Fri 26: Mainly cloudy with an afternoon thunderstorm around, H/L 91/65°F; Sat 27: A couple of morning showers and a thunderstorm, then very warm with peeks of sunshine, H/L 95/66°F; Sun 28: Mostly cloudy and very warm with occasional afternoon rain, H/L 95/66°F. Planning: Monday, Thursday, Friday and the weekend carry storm chances; heat builds sharply again by Saturday and Sunday.
Salt Lake City: Sun 21: Mostly sunny, H/L 87/64°F; Mon 22: Very warm with plenty of sunshine, H/L 92/65°F; Tue 23: Hot with blazing sunshine; caution advised for strenuous outdoor activity, H/L 98/69°F; Wed 24: Mostly sunny and hot, H/L 99/71°F; Thu 25: Hot with sunshine and a few clouds, H/L 100/73°F; Fri 26: Partly sunny and hot with a spotty morning thunderstorm and a spotty afternoon thundershower, H/L 99/73°F; Sat 27: Partly sunny and very warm with a thunderstorm, H/L 93/67°F; Sun 28: Plenty of sunshine, H/L 90/68°F. Planning: Heat is the dominant risk Tuesday through Friday, with spotty storms late in the week; hydration and fire prevention remain priorities.
Las Vegas: Sun 21: Plenty of sun, H/L 103/79°F; Mon 22: Sunshine, H/L 105/80°F; Tue 23: Sunny and dangerously hot, H/L 109/84°F; Wed 24: Mostly sunny and hot, H/L 108/85°F; Thu 25: Hot with plenty of sunshine, H/L 111/84°F; Fri 26: Hot with plenty of sunshine, H/L 111/80°F; Sat 27: Plenty of sunshine, H/L 108/78°F; Sun 28: Hot with plenty of sunshine, H/L 110/79°F. Planning: Dangerous heat dominates the entire period, especially Tuesday through Sunday; hot overnight lows limit recovery and outdoor work should be shifted away from afternoon hours.
Phoenix: Sun 21: Very warm with plenty of sun, H/L 106/79°F; Mon 22: Very warm with sunshine, H/L 107/83°F; Tue 23: Very warm with plenty of sunshine, H/L 109/86°F; Wed 24: Hot with times of clouds and sun, H/L 113/89°F; Thu 25: Hazy sun and hot, H/L 115/88°F; Fri 26: Hot with plenty of sunshine, H/L 114/87°F; Sat 27: Hot with plenty of sunshine, H/L 112/86°F; Sun 28: Very warm with plenty of sunshine, H/L 109/85°F. Planning: Extreme heat peaks Wednesday through Friday; heat illness risk remains high, especially for outdoor workers, children, older adults and anyone without reliable cooling.
Los Angeles: Sun 21: Areas of low clouds early, then mostly sunny and pleasant, H/L 77/61°F; Mon 22: Areas of low clouds early, then mostly sunny and pleasant, H/L 78/62°F; Tue 23: Mostly sunny and pleasant, H/L 79/62°F; Wed 24: Partly sunny, H/L 81/66°F; Thu 25: Plenty of sunshine, H/L 80/65°F; Fri 26: Sunshine, H/L 81/64°F; Sat 27: Plenty of sun, H/L 80/65°F; Sun 28: Partly sunny, H/L 79/64°F. Planning: A stable, mild and mostly dry pattern supports outdoor plans; morning low clouds and strong sun remain the main practical issues.
Seattle: Sun 21: Partly sunny, H/L 79/60°F; Mon 22: Partly sunny and very warm, H/L 83/66°F; Tue 23: Very warm with more sun than clouds and heat stress possible during strenuous activity, H/L 87/61°F; Wed 24: Mostly sunny and very warm, H/L 87/58°F; Thu 25: Not as warm with plenty of sun, H/L 78/55°F; Fri 26: Mainly cloudy, H/L 75/56°F; Sat 27: Rather cloudy, H/L 68/55°F; Sun 28: A bit of morning rain, then mostly cloudy, H/L 73/54°F. Planning: Tuesday and Wednesday bring the warmest conditions; temperatures ease late in the week, with a small rain chance next Sunday.
Mumbai: Sun 21: Mostly cloudy with occasional rain and a breezy afternoon, H/L 33/28°C; Mon 22: Mostly cloudy and breezy with morning showers followed by light afternoon rain, H/L 32/27°C; Tue 23: Periods of rain and afternoon breezes, H/L 31/27°C; Wed 24: Rain, H/L 31/27°C; Thu 25: Mostly cloudy with morning showers followed by light afternoon rain, H/L 33/28°C; Fri 26: Occasional rain, H/L 33/28°C; Sat 27: Considerable cloudiness with showers followed by steadier rain, H/L 33/27°C; Sun 28: Rain, H/L 30/27°C. Planning: Monsoon disruption is likely through much of the week, with the most persistent rain signal Tuesday, Wednesday, Saturday and Sunday; commuters should watch road, rail and drainage updates.
Manila: Sun 21: Intervals of clouds and sunshine with an afternoon thunderstorm, H/L 34/27°C; Mon 22: Some sun, then turning cloudy with an afternoon thunderstorm in parts of the area, H/L 35/28°C; Tue 23: Cloudy with a thunderstorm in parts of the area, H/L 34/28°C; Wed 24: Thick cloud cover with a couple of thunderstorms, H/L 33/27°C; Thu 25: Considerable cloudiness with a couple of thunderstorms, H/L 33/26°C; Fri 26: Cloudy with a couple of thunderstorms, especially late, H/L 31/26°C; Sat 27: Cloudy with a morning thunderstorm followed by periods of rain and an afternoon thunderstorm, H/L 32/25°C; Sun 28: Cloudy with a couple of thunderstorms, H/L 34/27°C. Planning: Thunderstorm risk is present every day, with late-week rain and lightning most likely to disrupt travel, school and outdoor plans.
Forecast confidence generally decreases later in the period. Readers should check official local watches, warnings, transport updates, heat guidance and flood statements before travel, outdoor work or major events.
Additional Reporting By: National Weather Service; NOAA; Met Office; Australian Bureau of Meteorology; Hong Kong Observatory; Instituto Nacional de Meteorologia; India Meteorological Department; PAGASA; Jessica Storm; regional meteorological forecast feeds reviewed by CGN News.