Very Small Chance of Showers, Mostly Cloudy, High 77 Sunday; Compare Chicago Weather to Phoenix, Miami, LA, Wash DC

M 65 79 | T 64 85 | W 67 88 | R 71 86

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Day 1 Convective Outlook/Categorical for Sunday, July 5, 2026 indicates no risk of severe thunderstorms in Illinois, no risk of tornadoes in the entire United States, but a chance of showers or thundershowers in almost all of Illinois (SOURCE: NOAA/NWS Storm Prediction Center)
Day 1 Convective Outlook/Categorical for Sunday, July 5, 2026 indicates no risk of severe thunderstorms in Illinois, no risk of tornadoes in the entire United States, but a chance of showers or thundershowers in almost all of Illinois (SOURCE: NOAA/NWS Storm Prediction Center).

CHICAGOLAND DETAILS …

Radar is clear in northern Illinois and nearby states.

Isolated to widely scattered showers are expected this morning near Lake Michigan.

Scattered showers and thunderstorms (20-40% chance) are expected this afternoon mainly near/south of I-80, but many areas will remain dry.

Drier and more seasonable conditions are expected to start the week before stormier weather returns late week, Wednesday night.

See also: LIVE STREAMS: Arlingtoncardinal.com/StormChasers

Temperature Outlook …

M 65 79 | T 64 85 | W 67 88 | R 71 86

 O’HARE FORECAST … 

Sunday: A 20 percent chance of showers. Mostly cloudy, with a high near 77. North northeast wind around 10 mph, with gusts as high as 15 mph.

Sunday Night: Partly cloudy, with a low around 65. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

Monday: Sunny, with a high near 79. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

Monday Night: Mostly clear, with a low around 64. North northeast wind 5 to 10 mph.

Tuesday: Sunny, with a high near 85. Northeast wind around 5 mph.

Tuesday Night: Partly cloudy, with a low around 67.

Wednesday: Mostly sunny, with a high near 88.

Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86.

Thursday Night: A chance of showers before 1am. Mostly cloudy, with a low around 66.

Friday: Partly sunny, with a high near 82.

Friday Night: Partly cloudy, with a low around 65.

NWS O’Hare Forecast

RADARCloudsTempsNWS CHGOUV

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 PHOENIX FORECAST … 

Extreme Heat Watch in effect from July 7, 10:00 AM MST until July 9, 08:00 PM MST

Sunday: Mostly sunny, with a high near 109. Calm wind becoming west around 5 mph in the afternoon.

Sunday Night: Partly cloudy, with a low around 86. West wind around 5 mph becoming calm in the evening.

Monday: Sunny and hot, with a high near 111. Calm wind becoming west around 5 mph in the afternoon.

Monday Night: Mostly clear, with a low around 88. West wind around 5 mph becoming calm after midnight.

Tuesday: Sunny and hot, with a high near 113. Light and variable wind becoming west 5 to 10 mph in the afternoon.

Tuesday Night: Mostly clear, with a low around 90. West wind around 5 mph.

Wednesday: Sunny and hot, with a high near 114. Light west wind increasing to 5 to 10 mph in the afternoon.

Wednesday Night: Mostly clear, with a low around 90. Southwest wind 5 to 10 mph.

Thursday: Sunny and hot, with a high near 112. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

Thursday Night: A 10 percent chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 88. Breezy, with a west southwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.

Friday: Sunny and hot, with a high near 110. Light southwest wind becoming west 5 to 10 mph in the afternoon.

Friday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 87. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

NWS Phoenix Forecast

RADARCloudsTempsNWS PhoenixUV

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Miami Palm Trees Pixabay (Randall Beauchamp/Pixabay)

 MIAMI FORECAST … 

Sunday Afternoon: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Heat index values as high as 105. Southeast wind 5 to 8 mph.

Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 81. Southeast wind around 6 mph.

Monday: A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 91. Heat index values as high as 105. South wind 3 to 8 mph. Chance of precipitation is 30%.

Monday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 81. South wind 3 to 5 mph. Chance of precipitation is 60%.

Tuesday: A 40 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.

Tuesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 81. Southeast wind 3 to 6 mph.

Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Light southeast wind increasing to 5 to 10 mph in the morning.

Wednesday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 82. Southeast wind 6 to 8 mph.

Thursday: Sunny, with a high near 93. Southeast wind 6 to 10 mph.

Thursday Night: Mostly clear, with a low around 82.

Friday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.

Friday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 82.

NWS Miami Forecast

RADARCloudsTempsNWS MiamiUV

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Hollywood Sign (Mattia Verga/Pixabay)

 LAX FORECAST … 

AIR QUALITY ALERT DUE TO HARMFUL FINE PARTICLE POLLUTION LEVELS… High particle pollution due to fireworks expected from dusk Saturday until 3 PM Sunday.

Sunday: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 73. West southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

Sunday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 63. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.

Monday: Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 72. West southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

Monday Night: Partly cloudy, with a low around 63. West southwest wind 5 to 10 mph becoming light and variable after midnight.

Tuesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 74. Light and variable wind becoming west southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

Tuesday Night: Partly cloudy, with a low around 64.

Wednesday: Mostly sunny, with a high near 75.

Wednesday Night: Partly cloudy, with a low around 66.

Thursday: Mostly sunny, with a high near 76.

Thursday Night: Partly cloudy, with a low around 65.

Friday: Partly sunny, with a high near 75.

Friday Night: Partly cloudy, with a low around 64.

NWS LAX Forecast

RADARCloudsTempsNWS Los AngelesUV

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Washington DC US Capitol (Robert Jones/Pixabay)

 WASH DC FORECAST … 

AIR QUALITY ALERT IS IN EFFECT FOR SUNDAY JULY 5 2026… The Metropolitan Washington Council of Governments and District Department of Environment has issued a Code PURPLE Air Quality Alert Sunday for the District of Columbia.

Heat Advisory in effect from July 5, 10:00 AM EDT until July 5, 08:00 PM EDT

Sunday Afternoon: Scattered showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 107. Calm wind becoming south around 6 mph. Chance of precipitation is 30%.

Sunday Night: Showers and thunderstorms before 2am, then isolated showers. Patchy fog after 1am. Low around 73. South wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Monday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 88. Northeast wind 3 to 6 mph. Chance of precipitation is 40%.

Monday Night: Showers and thunderstorms before 2am, then a chance of showers between 2am and 3am. Low around 71. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 70%.

Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 30%.

Wednesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 70. Chance of precipitation is 30%.

Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 50%.

Thursday Night: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

Friday: A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 50%.

Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.

Baltimore/Washington DC Forecast

RADARCloudsTempsNWS Baltimore/WashingtonUV

O’Hare Weather Forecast Compared to Phoenix, Miami, LA, Wash DC SUN JUL 05, 2026 11:28 AM SOURCE: National Weather Service local offices.

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