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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

West Bend Municipal Airport (KETB)

Lat: 43.42°NLon: 88.13°WElev: 879ft.

Fair

61°F

16°C

Humidity 94%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 30 Jul 3:15 am CDT
Extended Forecast for

Grafton WI

  • Overnight

    Overnight: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66. West wind around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly after 4pm. Mostly cloudy, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 79 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Cloudy, with a low around 64. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers
    Likely

  • Saturday

    Saturday: A 40 percent chance of showers before 1pm. Partly sunny, with a high near 75. Northeast wind 5 to 10 mph.

    High: 75 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. North wind 5 to 10 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77. Northeast wind 10 to 15 mph.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 62. Calm wind.
Thursday
Sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 66. West wind around 5 mph.
Friday
A 30 percent chance of showers, mainly after 4pm. Mostly cloudy, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Cloudy, with a low around 64. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 75. Northeast wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 61. North wind 5 to 10 mph.
Sunday
Sunny, with a high near 77. Northeast wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 59.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 84.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 66.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grafton WI
 43.33°N 87.96°W (Elev. 751 ft)
Last Update:
2:41 am CDT Jul 30, 2026
Forecast Valid:
3am CDT Jul 30, 2026-6pm CDT Aug 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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