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

East Troy Municipal Airport (K57C)

Lat: 42.8°NLon: 88.37°WElev: 860ft.

Fair

63°F

17°C

Humidity 99%
Wind Speed N 5 mph
Barometer 29.86 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 2 Aug 3:15 am CDT
Extended Forecast for

Big Bend WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 63. North wind 5 to 10 mph.

    Low: 63 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 77. North wind 10 to 15 mph.

    High: 77 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. Northeast wind 5 to 10 mph becoming light after midnight.

    Low: 58 °F

    Mostly Clear

  • Monday

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

    High: 79 °F

    Sunny

  • Monday Night

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

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Southwest wind around 5 mph.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. West wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 63. North wind 5 to 10 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 77. North wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 58. Northeast wind 5 to 10 mph becoming light after midnight.
Monday
Sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 57. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 83. Light southwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Southwest wind around 5 mph.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. West wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Thursday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 81.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 62.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Big Bend WI
 42.88°N 88.19°W (Elev. 810 ft)
Last Update:
3:13 am CDT Aug 2, 2026
Forecast Valid:
3am CDT Aug 2, 2026-6pm CDT Aug 8, 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