See also: LIVE STREAMS: Arlingtoncardinal.com/StormChasers
CHICAGOLAND DETAILS …
Widespread frost development is expected tonight into Saturday morning across portions of northern IL and northwest Indiana.
There is a low (~15-20%) chance for showers and thunderstorms Sunday followed by a better (~30-40%) chance for thunderstorms on Monday.
Outside of a brief warmup early next week, near to below normal temperatures are favored through next week with occasional chances for rain showers.
ARL HTS FORECAST …
Frost Advisory: Widespread frost and localized below freezing temperatures are likely Saturday morning in portions of east central, north central, and northeast Illinois and northwest Indiana until 8 AM CDT /9 AM EDT/ Saturday morning.
Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Overnight Friday/Saturday: Areas of frost beginning as early as midnight Friday/Saturday with a low of 33. Clear skies or a few clouds. Calm to 3 MPH winds shifting from NE to SW to W before maintaining calm around 2-3 AM.
Saturday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 55. Light west northwest wind becoming northwest 5 to 10 mph in the morning.
Saturday Night: Partly cloudy, with a low around 42. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday: A 40 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 67. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Sunday Night: Mostly clear, with a low around 46. West wind 5 to 10 mph, with gusts as high as 20 mph.
Monday: A 20 percent chance of showers after 4pm. Sunny, with a high near 75. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Tuesday: A 50 percent chance of showers. Mostly cloudy, with a high near 57.
Tuesday Night: A chance of showers before 1am. Mostly cloudy, with a low around 41.
RADAR • Clouds • Temps • NWS Chicago
PHOENIX FORECAST …
Air Quality Alert issued Friday, May 1, 2026 at 9:28 AM
Overnight Friday/Saturday Clear, low 72. Variable winds, calm to 5 MPH, predominantly from the East.
Saturday: Sunny, with a high near 94. East northeast wind 5 to 10 mph.
Saturday Night: Mostly cloudy, with a low around 73. Calm wind becoming east around 5 mph after midnight.
Sunday: Partly sunny, with a high near 96. East wind 5 to 10 mph becoming southwest in the afternoon.
Sunday Night: Mostly cloudy, with a low around 71. West southwest wind 5 to 10 mph becoming south southeast after midnight.
Monday: Mostly cloudy, with a high near 85. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night: Mostly cloudy, with a low around 63. South southwest wind 5 to 10 mph.
Tuesday: Sunny, with a high near 79. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night: Mostly clear, with a low around 59. West southwest wind 5 to 10 mph becoming light after midnight.
RADAR • Clouds • Temps • NWS Phoenix
MIAMI FORECAST …
Overnight Friday/Saturday: Variable clouds from mostly cloudy to partly cloudy, low 77. Winds calm to 6 MPH from the south.
Saturday: Sunny, with a high near 90. South wind 10 to 14 mph, with gusts as high as 22 mph.
Saturday Night: Increasing clouds, with a low around 75. West wind 6 to 10 mph.
Sunday: Showers and possibly a thunderstorm. High near 83. West wind 6 to 9 mph becoming north in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 72. North wind around 7 mph. Chance of precipitation is 80%.
Monday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 82. North wind 7 to 11 mph. Chance of precipitation is 40%.
Monday Night: A chance of showers and thunderstorms before 5am, then a slight chance of showers. Partly cloudy, with a low around 72. East wind 6 to 8 mph. Chance of precipitation is 30%.
Tuesday: A slight chance of showers, with thunderstorms also possible after 8am. Mostly sunny, with a high near 84. East wind 6 to 10 mph. Chance of precipitation is 20%.
Tuesday Night: Mostly cloudy, with a low around 74. East wind 5 to 8 mph.
RADAR • Clouds • Temps • NWS Miami
LAX FORECAST …
Overnight Friday/Saturday: Overcast, fog and mist. Low 57. Winds variable from West and Southwest Calm to 12 MPH.
Saturday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 70. Light west southwest wind increasing to 10 to 15 mph in the morning.
Saturday Night: Patchy fog. Otherwise, cloudy, with a low around 60. Southwest wind 5 to 15 mph.
Sunday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 68. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night: A 20 percent chance of rain after 11pm. Cloudy, with a low around 59. West southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Monday: A 20 percent chance of rain before 11am. Partly sunny, with a high near 66. 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: A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 57.
Tuesday: Sunny, with a high near 67.
Tuesday Night: Partly cloudy, with a low around 55.
RADAR • Clouds • Temps • NWS Los Angeles
WASH DC FORECAST …
Overnight Friday/Saturday: Mostly cloudy, low 49. Winds shifting from SE, and toward morning from the NW.
Saturday: Mostly cloudy, with a high near 62. North wind 7 to 10 mph.
Saturday Night: Partly cloudy, with a low around 43. Northwest wind around 6 mph.
Sunday: Sunny, with a high near 65. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday Night: Mostly clear, with a low around 46. Light and variable wind.
Monday: Mostly sunny, with a high near 76. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Monday Night: Partly cloudy, with a low around 58.
Tuesday: Mostly sunny, with a high near 84.
Tuesday Night: Mostly cloudy, with a low around 65.
