National Weather Service United States Department of Commerce

NWS launches Spring Safety Campaign

Though much of the nation is still under a deep freeze, more typical spring weather is on the horizon, and with it the threat of severe weather, flooding and other hazards. As part of our effort to build a Weather-Ready Nation, NWS is launching its Spring Seasonal Safety Campaign, with information to help you know your risk, take action and be a Force of Nature this spring.
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Current Conditions

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Crystal Lake IL

7 Day Forecast

For More Weather Information:

Chicago, IL Local Forecast Office

Tonight

Snow Chance for Measurable Precipitation 80%

Snow

Low: 21 °F

Tuesday

Wintry Mix Chance for Measurable Precipitation 100%

Wintry
Mix

High: 35 °F

Tuesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 10 °F

Wednesday

Partly Sunny

Partly
Sunny

High: 15 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: -3 °F

Thursday

Sunny

Sunny

High: 14 °F

Thursday
Night

Mostly Clear

Mostly
Clear

Low: 2 °F

Friday

Breezy

Breezy

High: 32 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 21 °F

Detailed Forecast

  • Tonight Snow, mainly after 4am. Low around 21. South southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
  • Tuesday Snow, freezing rain, and sleet before noon, then rain likely, possibly mixed with freezing rain between noon and 3pm, then a chance of rain after 3pm. High near 35. Breezy, with a south southeast wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of around an inch possible.
  • Tuesday Night Mostly cloudy, with a low around 10. Wind chill values as low as 1. West northwest wind around 15 mph, with gusts as high as 20 mph.
  • Wednesday Partly sunny, with a high near 15. Wind chill values as low as -7. West northwest wind around 15 mph, with gusts as high as 25 mph.
  • Wednesday Night Partly cloudy, with a low around -3. West northwest wind 10 to 15 mph.
  • Thursday Sunny, with a high near 14.
  • Thursday Night Mostly clear, with a low around 2.
  • Friday Mostly sunny, with a high near 32. Breezy.
  • Friday Night Partly cloudy, with a low around 21.
  • Saturday Mostly sunny, with a high near 37.
  • Saturday Night Partly cloudy, with a low around 20.
  • Sunday Partly sunny, with a high near 37.
  • Sunday Night Mostly cloudy, with a low around 25.
  • Monday Mostly sunny, with a high near 35.