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

Severe Thunderstorms for Mid-Atlantic and Northeast; Typhoon Approaching Guam

A cold front will sweep eastward today accompanied by strong to severe thunderstorms for the mid-Atlantic and Northeast today. In the wake of this cold front, autumn like temperatures and gusty winds from the Plains, Mississippi Valley, Great Lakes to most of the eastern seaboard. Fire weather conditions for lower Mississippi Valley into portions of California. For Guam, a typhoon is approaching. Read More >

Hazardous Weather Conditions

Current conditions at

Milwaukee, General Mitchell International Airport (KMKE)

Lat: 42.96°NLon: 87.9°WElev: 722ft.

Fair

40°F

4°C

Humidity 60%
Wind Speed NW 8 mph
Barometer 30.46 in (1032.0 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 17 Oct 2:52 am CDT
Extended Forecast for

Greendale WI

Frost Advisory October 17, 03:34am until October 17, 09:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory October 17, 03:34am until October 17, 09:00am

    NOW until 9:00am Sat

    Frost Advisory

  • Overnight

    Low: 33 °F

    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 57. Southwest wind 5 to 15 mph.

    High: 57 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 40. Southwest wind around 10 mph.

    Low: 40 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 62. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 41. Southwest wind 5 to 10 mph.

    Low: 41 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 65. Southwest wind around 5 mph.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. South wind around 5 mph becoming calm.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 66 °F

    Sunny

Detailed Forecast

Overnight
Widespread frost, mainly after 5am. Otherwise, clear, with a low around 33. Northwest wind around 5 mph.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 57. Southwest wind 5 to 15 mph.
Saturday Night
Clear, with a low around 40. Southwest wind around 10 mph.
Sunday
Sunny, with a high near 62. Southwest wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
Clear, with a low around 41. Southwest wind 5 to 10 mph.
Monday
Sunny, with a high near 65. Southwest wind around 5 mph.
Monday Night
Partly cloudy, with a low around 42. South wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greendale WI
 42.94°N 87.98°W (Elev. 771 ft)
Last Update:
2:36 am CDT Oct 17, 2026
Forecast Valid:
3am CDT Oct 17, 2026-6pm CDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation