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

66°F

19°C

Humidity 97%
Wind Speed NE 13 G 17 mph
Barometer 29.81 in
Dewpoint 65°F (18°C)
Visibility 3.00 mi
Last update 1 Aug 8:50 am CDT
Extended Forecast for

Fontana-on-Geneva Lake WI

  • Today

    Today: Showers and possibly a thunderstorm before 4pm, then showers likely. High near 70. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers

  • Tonight

    Tonight: Scattered showers, mainly before 7pm. Mostly cloudy, with a low around 63. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 63 °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 56. Northeast wind 5 to 10 mph becoming light north in the evening.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79. Northeast wind around 5 mph.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. East wind around 5 mph becoming calm.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind becoming south 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 63. Calm wind.

    Low: 63 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Showers and possibly a thunderstorm before 4pm, then showers likely. High near 70. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Scattered showers, mainly before 7pm. Mostly cloudy, with a low around 63. Northeast wind 10 to 15 mph, with gusts as high as 25 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 56. Northeast wind 5 to 10 mph becoming light north in the evening.
Monday
Sunny, with a high near 79. Northeast wind around 5 mph.
Monday Night
Mostly clear, with a low around 58. East wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Wednesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 61.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fontana-on-Geneva Lake WI
 42.54°N 88.57°W (Elev. 873 ft)
Last Update:
8:42 am CDT Aug 1, 2026
Forecast Valid:
9am CDT Aug 1, 2026-6pm CDT Aug 7, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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