CHICAGOLAND DETAILS …
Radar is clear in northeast Illinois.
A storm system is expected to bring widespread soaking rainfall to the area Sunday through Sunday night.
An axis of heavy rainfall is expected on Sunday which could result in instances of flash flooding and river rises. Most likely area for heaviest rainfall is south of I-80.
Dry and seasonably cool conditions are expected to start next week before another stormy pattern settles in mid-late week.
See also: LIVE STREAMS: Arlingtoncardinal.com/StormChasers
SU 59 72 | M 58 71 | T 55 75 | W 59 78
O’HARE FORECAST …
BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH LATE MONDAY NIGHT in Illinois, Central Cook County. In Indiana, Lake and Porter Counties.
High wave action and dangerous currents expected at Lake Michigan beaches. Waves 4 to 7 ft expected.
Swimming conditions will be life threatening especially for inexperienced swimmers.
Overnight: Partly cloudy, with a low around 59. South southeast wind around 5 mph becoming calm.
Sunday: Showers, mainly after 2pm. High near 72. East wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night: Showers, mainly before 2am. Low around 58. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Monday: A 10 percent chance of showers before 7am. Partly sunny, with a high near 71. North northeast wind around 15 mph, with gusts as high as 20 mph.
Monday Night: Mostly clear, with a low around 55. North wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday: Mostly sunny, with a high near 75.
Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 59.
Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 78.
Wednesday Night: A chance of showers before 1am. Partly cloudy, with a low around 58.
RADAR • Clouds • Temps • NWS CHGO • UV
PHOENIX FORECAST …
Sunday Night: Clear, with a low around 77. West southwest wind around 5 mph becoming calm.
Sunday: Sunny, with a high near 105. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night: Mostly clear, with a low around 78. West wind around 5 mph becoming calm in the evening.
Monday: Sunny, with a high near 108. Calm wind becoming west around 5 mph in the afternoon.
Monday Night: Clear, with a low around 83. West wind around 5 mph becoming calm in the evening.
Tuesday: Sunny and hot, with a high near 110. Light west wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night: Mostly clear, with a low around 86. West wind around 5 mph.
Wednesday: Sunny and hot, with a high near 111. Light west southwest wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night: Mostly clear, with a low around 87. West wind 5 to 10 mph becoming south after midnight.
RADAR • Clouds • Temps • NWS Phoenix • UV
MIAMI FORECAST …
AIR QUALITY ALERT IN EFFECT UNTIL 3 PM EDT MONDAY
The Miami-Dade County Division of Environmental Resources Management has issued an Air Quality Alert for Fine Particulates until 3 PM EDT Monday.
Fine Particulates concentrations within the region may approach or exceed unhealthy standards.
Overnight: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 79. Calm wind.
Sunday: A 40 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 92. Heat index values as high as 106. South wind 3 to 8 mph.
Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 80. Light and variable wind.
Monday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 105. Calm wind becoming southeast 5 to 8 mph in the morning.
Monday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 81. Southeast wind 3 to 6 mph.
Tuesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. South wind 3 to 8 mph.
Tuesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 80. Southeast wind around 6 mph becoming calm in the evening.
Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Calm wind becoming southeast 5 to 9 mph in the afternoon.
Wednesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80. Southeast wind 3 to 6 mph.
RADAR • Clouds • Temps • NWS Miami • UV
LAX FORECAST …
Sunday Night: Increasing clouds, with a low around 60. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 71. Light south southwest wind becoming west southwest 10 to 15 mph in the afternoon.
Sunday Night: Patchy fog. Otherwise, increasing clouds, with a low around 61. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 73. Southwest wind 5 to 15 mph.
Monday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 62. West southwest wind 10 to 15 mph becoming light south in the evening.
Tuesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 74.
Tuesday Night: Partly cloudy, with a low around 62.
Wednesday: A slight chance of showers before 11am. Partly sunny, with a high near 73.
Wednesday Night: Partly cloudy, with a low around 63.
RADAR • Clouds • Temps • NWS Los Angeles • UV
WASH DC FORECAST …
Overnight: Partly cloudy, with a low around 66. Calm wind.
Sunday: Sunny, with a high near 89. West wind 5 to 9 mph.
Sunday Night: Increasing clouds, with a low around 68. Light and variable wind.
Monday: A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 92. Southeast wind 6 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 68. Southwest wind 3 to 6 mph. Chance of precipitation is 80%.
Tuesday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Tuesday Night: Partly cloudy, with a low around 64.
Wednesday: Sunny, with a high near 86.
Wednesday Night: A slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
RADAR • Clouds • Temps • NWS Baltimore/Washington • UV
O’Hare Weather Forecast Compared to Phoenix, Miami, LA, Wash DC overnight SAT-SUN JUN 20-21, 2026 11:49 AM SOURCE: National Weather Service local offices.
