Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

Current conditions at

Winona, Winona Municipal Airport-Max Conrad Field (KONA)

Lat: 44.08°NLon: 91.7°WElev: 656ft.

Fair

57°F

14°C

Humidity 94%
Wind Speed NW 3 mph
Barometer 30.07 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 17 Aug 6:15 am CDT
Extended Forecast for

Fountain City WI

  • Today

    Today: Sunny, with a high near 80. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 2am.  Mostly cloudy, with a low around 64. Southwest wind 3 to 7 mph.

    Low: 64 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 77. Northwest wind around 6 mph.  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

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of thunderstorms before 7pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 58. Light northwest wind.  Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Light southeast wind.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers.  Mostly clear, with a low around 60. Calm wind becoming southwest around 5 mph after midnight.

    Low: 60 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before 1pm.  Mostly sunny, with a high near 80. Southwest wind 5 to 9 mph.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 80. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Tonight
A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 64. Southwest wind 3 to 7 mph.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. Northwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 58. Light northwest wind. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 76. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 56. Calm wind.
Thursday
Sunny, with a high near 78. Light southeast wind.
Thursday Night
A 20 percent chance of showers. Mostly clear, with a low around 60. Calm wind becoming southwest around 5 mph after midnight.
Friday
A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 80. Southwest wind 5 to 9 mph.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 61. West wind 5 to 7 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 77. Northwest wind 5 to 9 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 77. Calm wind becoming north around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Fountain City WI
 44.14°N 91.7°W
4:56 am CDT Aug 17, 2026
6am CDT Aug 17, 2026-6pm CDT Aug 23, 2026
 
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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