National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Mostly Cloudy

45°F

7°C

Humidity 52%
Wind Speed W 17 G 29 mph
Barometer 30.12 in (1020.4 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 19 Apr 11:52 am CDT
Extended Forecast for

Buffalo Grove IL

Freeze Warning April 20, 12:00am until April 20, 09:00am
Click here for hazard details and duration
Freeze Warning

  • This Afternoon

    This Afternoon: A 40 percent chance of showers. Partly sunny, with a steady temperature around 47. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 47 °F

    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm. Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 32. North northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 15 mph.

    Low: 32 °F

    Slight Chance
    Showers then
    Frost

  • Monday

    Monday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 50. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 50 °F

    Frost then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers. Partly sunny, with a steady temperature around 47. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of showers before 8pm. Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 32. North northwest wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 15 mph.
Monday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 50. Light and variable wind becoming south 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 43. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 72. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 61.
Friday
Showers likely. Mostly cloudy, with a high near 72.
Friday Night
A chance of showers. Mostly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Buffalo Grove IL
 42.15°N 87.95°W
Last Update:
10:31 am CDT Apr 19, 2026
Forecast Valid:
12pm CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation