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

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

Burlington Municipal Airport (KBUU)

Lat: 42.69°NLon: 88.31°WElev: 778ft.

Overcast

65°F

18°C

Humidity 96%
Wind Speed NE 12 G 18 mph
Barometer 29.79 in
Dewpoint 64°F (18°C)
Visibility 2.50 mi
Last update 1 Aug 3:50 am CDT
Extended Forecast for

Delavan WI

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Low around 63. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 4pm, then showers likely. High near 70. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 70 °F

    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Scattered showers, mainly before 7pm. Mostly cloudy, with a low around 61. Northeast wind 10 to 15 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 76. Northeast wind around 15 mph.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. Northeast wind 5 to 10 mph becoming light north in the evening.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79. Calm wind becoming northeast around 5 mph in the morning.

    High: 79 °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 82. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tuesday Night

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

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 63. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm before 4pm, then showers likely. High near 70. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Scattered showers, mainly before 7pm. Mostly cloudy, with a low around 61. Northeast wind 10 to 15 mph. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 76. Northeast wind around 15 mph.
Sunday Night
Mostly clear, with a low around 55. Northeast wind 5 to 10 mph becoming light north in the evening.
Monday
Sunny, with a high near 79. Calm wind becoming northeast around 5 mph in the morning.
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 82. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 62.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Delavan WI
 42.63°N 88.65°W (Elev. 896 ft)
Last Update:
4:16 am CDT Aug 1, 2026
Forecast Valid:
4am CDT Aug 1, 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