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

Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

30°F

-1°C

Humidity 92%
Wind Speed Calm
Barometer 30.36 in (1028.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 15 Nov 1:52 am CST
Extended Forecast for

Mount Prospect IL

  • Overnight

    Overnight: Mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 51. Calm wind becoming north northwest around 5 mph.

    High: 51 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 53. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 53 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 35. South southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 29. Calm wind.
Sunday
Sunny, with a high near 51. Calm wind becoming north northwest around 5 mph.
Sunday Night
Mostly clear, with a low around 30. Calm wind.
Monday
Increasing clouds, with a high near 53. Light southwest wind increasing to 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 35. South southwest wind around 5 mph, with gusts as high as 10 mph.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 61.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
A chance of rain. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Prospect IL
 42.06°N 87.93°W
Last Update:
1:41 am CST Nov 15, 2026
Forecast Valid:
2am CST Nov 15, 2026-6pm CST Nov 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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