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Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Light Drizzle

64°F

18°C

Humidity 94%
Wind Speed E 13 mph
Barometer 29.87 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 31 Jul 8:45 pm CDT
Extended Forecast for

Delafield WI

  • Tonight

    Tonight: Showers, with thunderstorms also possible after 11pm. Low around 62. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 62 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 3pm, then a chance of showers. High near 73. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 73 °F

    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 7pm. Mostly cloudy, with a low around 61. Northeast wind 10 to 15 mph.

    Low: 61 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 75. Northeast wind 10 to 15 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Northeast wind 5 to 10 mph.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78. Northeast wind around 5 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. East wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Showers, with thunderstorms also possible after 11pm. Low around 62. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Saturday
Showers and possibly a thunderstorm before 3pm, then a chance of showers. High near 73. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
A 30 percent chance of showers before 7pm. Mostly cloudy, with a low around 61. Northeast wind 10 to 15 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 75. Northeast wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 56. Northeast wind 5 to 10 mph.
Monday
Sunny, with a high near 78. Northeast wind around 5 mph.
Monday Night
Mostly clear, with a low around 57. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 62.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 60.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 80.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Delafield WI
 43.08°N 88.36°W (Elev. 932 ft)
Last Update:
9:41 pm CDT Jul 31, 2026
Forecast Valid:
9pm CDT Jul 31, 2026-6pm CDT Aug 7, 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