Severe Thunderstorms with Tornadoes and Heavy Rain Threat shifts East for Tuesday

Severe thunderstorms are forecast to develop from the mid-Mississippi River Valley south into the ArkLaTex on Tuesday. These storms can bring large hail, damaging winds, a few tornadoes and flash flooding. Residents should heed any warnings issued and follow local forecast office social media pages for updates. Read More >

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

48°F

9°C

Humidity 61%
Wind Speed NE 8 mph
Barometer 30.12 in (1020.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 21 May 3:52 am CDT
Extended Forecast for

Crystal Lake IL

  • Overnight

    Overnight: A 20 percent chance of showers.  Cloudy, with a low around 42. East wind around 10 mph.

    Slight Chance
    Showers

    Low: 42 °F

  • Tuesday

    Tuesday: Showers, mainly before 2pm.  High near 54. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Showers and
    Breezy

    High: 54 °F

  • Tuesday
    Night

    Tuesday Night: A slight chance of showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then a slight chance of showers after 4am.  Low around 49. Breezy, with an east wind 15 to 25 mph, with gusts as high as 35 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    T-storms and
    Breezy

    Low: 49 °F

  • Wednesday

    Wednesday: A 10 percent chance of showers before 7am.  Mostly cloudy, then gradually becoming sunny, with a high near 80. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Slight Chance
    Showers then
    Sunny and
    Breezy

    High: 80 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 57. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Chance
    T-storms

    Low: 57 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    Mostly Sunny

    High: 79 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 58.

    Partly Cloudy
    then Slight
    Chance
    T-storms

    Low: 58 °F

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 1pm.  Mostly cloudy, with a high near 82.

    Chance
    T-storms

    High: 82 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 61.

    Chance
    T-storms

    Low: 61 °F

Detailed Forecast

Overnight
A 20 percent chance of showers. Cloudy, with a low around 42. East wind around 10 mph.
Tuesday
Showers, mainly before 2pm. High near 54. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then a slight chance of showers after 4am. Low around 49. Breezy, with an east wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 10 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 80. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 57. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58.
Friday
A chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 82.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Saturday
A slight chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 77.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 71.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Memorial Day
A chance of showers and thunderstorms. Mostly cloudy, with a high near 75.
Click Map For Forecast
Point Forecast:
Crystal Lake IL
 42.23°N 88.33°W
3:16 am CDT May 21, 2019
4am CDT May 21, 2019-6pm CDT May 27, 2019
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database