National Weather Service United States Department of Commerce

Tropical Storm Bertha moving toward northeastern Caribbean

The National Hurricane Center is currently monitoring Tropical Storm Bertha as it moves toward the northeastern Caribbean, with maximum sustained winds of 45 mph. A Tropical Storm Warning is in effect for Puerto Rico and the U.S. Virgin Islands, with Bertha expected to pass just south of Puerto Rico on Saturday, before eventually curving to the north and northeast, away from the U.S. mainland.
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Hazardous Weather Conditions

Current Conditions

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Crystal Lake IL

7 Day Forecast

For More Weather Information:

Chicago, IL Local Forecast Office

Today

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 80 °F

Tonight

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

Low: 59 °F

Saturday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 81 °F

Saturday
Night

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

Low: 59 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 81 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 63 °F

Monday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 82 °F

Monday
Night

Chance Thunderstorms

Chance
Thunderstorms

Low: 64 °F

Tuesday

Chance Thunderstorms

Chance
Thunderstorms

High: 81 °F

Detailed Forecast

  • Today A slight chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. West southwest wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 40%.
  • Tonight A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Calm wind becoming west around 5 mph. Chance of precipitation is 40%.
  • Saturday A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Calm wind becoming north northeast around 5 mph in the afternoon. Chance of precipitation is 30%.
  • Saturday Night A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 59. Northeast wind around 5 mph becoming calm.
  • Sunday A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.
  • Sunday Night A chance of showers and thunderstorms before 8pm, then a slight chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
  • Monday A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 82. Chance of precipitation is 30%.
  • Monday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
  • Tuesday A chance of showers and thunderstorms. Partly sunny, with a high near 81.
  • Tuesday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
  • Wednesday A chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
  • Wednesday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
  • Thursday A chance of showers and thunderstorms. Mostly cloudy, with a high near 77.