National Weather Service United States Department of Commerce

Warmup expected in the East, cooler weather forecast across parts of West

Much of the eastern U.S. will see a significant warming trend beginning on Friday, with high temperatures as much as 10-15 degrees warmer than on Thursday. The warming trend will continue into the weekend. Meanwhile, temperatures will be on the decrease across much of the northern Plains and Intermountain West over the next several days.
Read More...

Hazardous Weather Conditions

Current Conditions

En Español

Share |

Crystal Lake IL

7 Day Forecast

For More Weather Information:

Chicago, IL Local Forecast Office

This
Afternoon

Cloudy

Cloudy

High: 31 °F

Tonight

Mostly Cloudy

Mostly
Cloudy

Low: 29 °F

Saturday

Partly Sunny

Partly
Sunny

High: 46 °F

Saturday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 38 °F

Sunday

Partly Sunny

Partly
Sunny

High: 45 °F

Sunday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 17 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 22 °F

Monday
Night

Mostly Clear

Mostly
Clear

Low: 11 °F

Tuesday

Slight Chance Snow

Slight Chc
Snow

High: 30 °F

Detailed Forecast

  • This Afternoon Cloudy, with a high near 31. South wind 10 to 15 mph.
  • Tonight Mostly cloudy, with a low around 29. South wind 10 to 15 mph.
  • Saturday Partly sunny, with a high near 46. South southwest wind around 15 mph, with gusts as high as 20 mph.
  • Saturday Night Mostly cloudy, with a low around 38. Southwest wind 10 to 15 mph.
  • Sunday Partly sunny, with a high near 45. West southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
  • Sunday Night Mostly cloudy, with a low around 17.
  • Monday Mostly sunny, with a high near 22.
  • Monday Night Mostly clear, with a low around 11.
  • Tuesday A slight chance of snow. Partly sunny, with a high near 30.
  • Tuesday Night Mostly cloudy, with a low around 20.
  • Wednesday Mostly sunny, with a high near 32.
  • Wednesday Night Mostly cloudy, with a low around 23.
  • Thursday A chance of rain and snow. Partly sunny, with a high near 37.