National Weather Service United States Department of Commerce

On Saturday, severe weather will be possible across portions of the northern Plains while dry and hot conditions begin returning to the West.

Severe weather is possible over parts of the northern Plains on Saturday. During the late afternoon and early evening hours, large hail and isolated tornadoes will be the primary threats with damaging winds becoming the greatest threat in the late evening hours. Out west, hot and dry conditions begin to return bringing increased heat dangers and fire weather concerns.
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Hazardous Weather Conditions

Current Conditions

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Arlington Heights IL

7 Day Forecast

For More Weather Information:

Chicago, IL Local Forecast Office

Overnight

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

Low: 70 °F

Saturday

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

High: 81 °F

Saturday
Night

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 67 °F

Sunday

Patchy Fog

Patchy
Fog

High: 84 °F

Sunday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 69 °F

Labor
Day

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

High: 82 °F

Monday
Night

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

Low: 66 °F

Tuesday

Chance Thunderstorms

Chance
Thunderstorms

High: 81 °F

Tuesday
Night

Chance Thunderstorms

Chance
Thunderstorms

Low: 63 °F

Detailed Forecast

  • Overnight Showers and thunderstorms likely, mainly after 3am. Mostly cloudy, with a low around 70. South wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Saturday Showers and thunderstorms likely, mainly before 8am. Mostly cloudy, with a high near 81. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Saturday Night A 40 percent chance of showers and thunderstorms before 8pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 67. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
  • Sunday Patchy fog before 8am. Otherwise, mostly sunny, with a high near 84. West southwest wind around 5 mph.
  • Sunday Night A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 69. South wind 5 to 10 mph, with gusts as high as 15 mph.
  • Labor Day Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
  • Monday Night Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
  • Tuesday A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
  • Tuesday Night A chance of showers and thunderstorms. Partly cloudy, with a low around 63.
  • Wednesday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
  • Wednesday Night A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66.
  • Thursday A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.
  • Thursday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
  • Friday A chance of showers and thunderstorms. Partly sunny, with a high near 81.