CHICAGOLAND DETAILS …
Radar is clear in northern Illinois.
Mostly sunny days all week through Saturday, with cloud cover less than 7%, and high UV index numbers every day.
Hot conditions are expected for much of the upcoming week; though somewhat cooler near Lake Michigan. For example, Monday’s forecast high is 94 at O’Hare, and only 83 at Northwestern University in Evanston.
Northwestern University campus is forecast to reach 89 on Tuesday, Thursday and Friday, while O’Hare is forecast to reach 97, 93 and 91 on Tuesday, Thursday and Friday.
See also: LIVE STREAMS: Arlingtoncardinal.com/StormChasers
Temperature Outlook …
SU | M | T | W
M | T | W | R
T | W | R | F
W | R | F | SA
R | F | SA | SU
F | SA | SU | M
SA | SU | M | T
O’HARE FORECAST …
Sunday Night: Clear, with a low around 68. East southeast wind around 5 mph becoming calm in the evening.
Monday: Sunny, with a high near 94. West southwest wind around 5 mph becoming northwest in the morning.
Monday Night: Mostly clear, with a low around 73. West wind around 5 mph.
Tuesday: Sunny and hot, with a high near 97. North wind around 5 mph.
Tuesday Night: Mostly clear, with a low around 77. East southeast wind around 5 mph becoming west after midnight.
Wednesday: Sunny, with a high near 94.
Wednesday Night: Mostly clear, with a low around 74.
Thursday: Sunny, with a high near 93.
Thursday Night: Partly cloudy, with a low around 74.
Friday: Mostly sunny, with a high near 91.
Friday Night: Partly cloudy, with a low around 72.
Saturday: Mostly sunny, with a high near 89.
Saturday Night: Partly cloudy, with a low around 70.
RADAR • Clouds • Temps • NWS CHGO • UV
PHOENIX FORECAST …
Sunday Night: A 20 percent chance of showers and thunderstorms, mainly between midnight and 4am. Mostly cloudy, with a low around 86. Northwest wind 5 to 10 mph becoming southeast in the evening. Winds could gust as high as 20 mph.
Monday: A 10 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 107. Heat index values as high as 111. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 88. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday: A chance of thunderstorms after 5pm. Sunny, with a high near 108. Heat index values as high as 111. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 89. North wind around 5 mph becoming south southeast in the evening.
Wednesday: A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 108. Southeast wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 30%.
Wednesday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 86. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday: A 30 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 104. East southeast wind around 5 mph becoming south in the afternoon.
Thursday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 82. East northeast wind around 5 mph becoming west southwest after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 97. West southwest wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 80. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97. Southeast wind around 5 mph becoming west southwest in the afternoon.
Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82. West southwest wind around 5 mph becoming calm.
RADAR • Clouds • Temps • NWS Phoenix • UV
MIAMI FORECAST …
Overnight: Mostly clear, with a low around 82. Southeast wind around 7 mph.
Monday: Sunny, with a high near 94. Heat index values as high as 106. Southeast wind 5 to 9 mph.
Monday Night: A 20 percent chance of showers and thunderstorms before 10pm. Mostly clear, with a low around 81. South wind 5 to 7 mph becoming light and variable after midnight.
Tuesday: Sunny, with a high near 93. Heat index values as high as 105. Calm wind becoming southeast 5 to 9 mph in the morning.
Tuesday Night: Mostly clear, with a low around 81. Southeast wind 3 to 7 mph.
Wednesday: Mostly sunny, with a high near 93. Light east wind increasing to 5 to 9 mph in the morning.
Wednesday Night: Partly cloudy, with a low around 81. East wind 5 to 8 mph.
Thursday: Mostly sunny, with a high near 93. Light east wind becoming southeast 5 to 10 mph in the afternoon.
Thursday Night: Partly cloudy, with a low around 81. Southeast wind 5 to 8 mph.
Friday: Mostly sunny, with a high near 94.
Friday Night: Partly cloudy, with a low around 81.
Saturday: Sunny, with a high near 93.
Saturday Night: Mostly clear, with a low around 81.
RADAR • Clouds • Temps • NWS Miami • UV
LAX FORECAST …
Extreme Heat Watch in effect from July 14, 10:00 AM PDT until July 16, 08:00 PM PDT
Beach Hazards Statement until July 15, 11:00 PM PDT
Sunday Night: Mostly cloudy, with a low around 67. West southwest wind around 5 mph.
Monday: Cloudy, then gradually becoming mostly sunny, with a high near 76. West southwest wind 5 to 10 mph.
Monday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 68. West wind 5 to 10 mph.
Tuesday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 79. Light and variable wind becoming west southwest 10 to 15 mph in the morning.
Tuesday Night: Partly cloudy, with a low around 69. West southwest wind 5 to 15 mph becoming east southeast after midnight.
Wednesday: Sunny, with a high near 84.
Wednesday Night: Mostly clear, with a low around 73.
Thursday: Mostly sunny, with a high near 82.
Thursday Night: Partly cloudy, with a low around 70.
Friday: Mostly sunny, with a high near 79.
Friday Night: Partly cloudy, with a low around 69.
Saturday: A slight chance of showers. Partly sunny, with a high near 77.
Saturday Night: Partly cloudy, with a low around 68.
RADAR • Clouds • Temps • NWS Los Angeles • UV
WASH DC FORECAST …
Overnight: Partly cloudy, with a low around 66. East wind 3 to 5 mph.
Monday: Mostly sunny, with a high near 86. East wind 5 to 7 mph.
Monday Night: Mostly clear, with a low around 65. Light and variable wind.
Tuesday: Sunny, with a high near 90. Light and variable wind.
Tuesday Night: Clear, with a low around 70. Southwest wind 3 to 5 mph.
Wednesday: Sunny and hot, with a high near 98.
Wednesday Night: Mostly clear, with a low around 77.
Thursday: Mostly sunny, with a high near 95.
Thursday Night: Partly cloudy, with a low around 75.
Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Baltimore/Washington DC Forecast
RADAR • Clouds • Temps • NWS Baltimore/Washington • UV
O’Hare Weather Forecast Compared to Phoenix, Miami, LA, Wash DC SUN JUL 12, 2026 10:42 PM SOURCE: National Weather Service local offices.
