Local Forecast

Crystal Lake, IL Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Crystal Lake, IL.

No Active Alerts

Hour-by-Hour  Current Observation

Monday 5:15 AM CDTMonday 5:15 AM

°F °C
Regional Observations →
65°F

Mostly Cloudy

  • 82° / 69° High / Low
  • 65° Feels Like
  • 0% Chance of Rain

Wind

0 mph

N

UV Index

0

None

Humidity

86%

Dew 61°F

Sun

5:16 AM · 8:27 PM

Rise · Set

Source: BURLINGTON (KBUU). Slider scrubs the next 12 hours.

5-Day Outlook

Through Friday

Local Radar →

Today

82° 69°

Thunderstorms

Overnight: Thunderstorms

Detailed forecast

Today

A chance of showers and thunderstorms before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 81. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Night

Showers and thunderstorms. Mostly cloudy, with a low around 69. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

86° 73°

Slight Chance of Rain Showers

Overnight: Chance of Scattered Thunderstorms

Detailed forecast

Tuesday

A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.

Night

A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind 5 to 10 mph. Chance of precipitation is 30%.

Wednesday

91° 71°

Partly Sunny

Overnight: Thunderstorms Likely

Detailed forecast

Wednesday

A chance of showers and thunderstorms before 7am. Sunny, with a high near 90. Chance of precipitation is 30%.

Night

Showers and thunderstorms likely between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 70.

Thursday

89° 60°

Scattered Thunderstorms Likely

Overnight: Rain Likely

Detailed forecast

Thursday

Showers and thunderstorms likely. Partly sunny, with a high near 88.

Night

Showers and thunderstorms likely before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 60.

Friday

86° 64°

Isolated T-storm

Overnight: Isolated T-storm

Detailed forecast

Friday

A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Sunny, with a high near 85.

Night

A slight chance of showers and thunderstorms. Mostly clear, with a low around 62.

Crystal Lake, IL Weather Analysis Tools