Severe Thunderstorms and Heavy Rain Across the Central US and Central Appalachians

Severe thunderstorms producing damaging winds, hail and possibly a few tornadoes are expected across parts of the central Plains and the Missouri Valley. Heavy rainfall and flash flooding is also expected in the area. Thunderstorms and heavy rain may also bring additional flooding impacts to the central Appalachians. High temperatures and critical fire weather conditions expected in the Southwest. Read More >

Current conditions at

Ephraim-Gibraltar Airport (K3D2)

Lat: 45.14°NLon: 87.19°WElev: 773ft.

Fair

80°F

27°C

Humidity 49%
Wind Speed Calm
Barometer 29.73 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Jun 5:35 pm CDT
Extended Forecast for

Sister Bay WI

  • Tonight

    Tonight: A 10 percent chance of showers after 5am.  Mostly cloudy, with a low around 57. Southeast wind 3 to 6 mph.

    Low: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 3pm, then showers likely between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly cloudy, with a high near 67. East southeast wind 5 to 7 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 56. Northeast wind around 7 mph becoming west after midnight.  Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: A 50 percent chance of showers after 1pm.  Mostly sunny, with a high near 74. West northwest wind 6 to 8 mph becoming south in the afternoon.

    High: 74 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 57. South wind around 7 mph.  Chance of precipitation is 50%.

    Low: 57 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 57. Southeast wind 3 to 6 mph.
Wednesday
Showers and thunderstorms likely before 3pm, then showers likely between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 67. East southeast wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Northeast wind around 7 mph becoming west after midnight. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Juneteenth
A 50 percent chance of showers after 1pm. Mostly sunny, with a high near 74. West northwest wind 6 to 8 mph becoming south in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 57. South wind around 7 mph. Chance of precipitation is 50%.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 74. Chance of precipitation is 40%.
Friday Night
Showers and possibly a thunderstorm. Low around 60. Chance of precipitation is 80%.
Saturday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 66.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Sister Bay WI
 45.19°N 87.12°W (Elev. 630 ft)
3:47 pm CDT Jun 17, 2025
6pm CDT Jun 17, 2025-6pm CDT Jun 24, 2025
 
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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