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

La Crosse - La Crosse Regional Airport (KLSE)

Lat: 43.88°NLon: 91.26°WElev: 653ft.

Fair

62°F

17°C

Humidity 96%
Wind Speed Calm
Barometer 30.04 in (1016.4 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 Aug 1:53 am CDT
Extended Forecast for

Trempealeau WI

  • Overnight

    Overnight: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, sunny, with a high near 82. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before 2am.  Partly cloudy, with a low around 64. Southwest wind 3 to 5 mph.

    Low: 64 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before noon, then a chance of showers between noon and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 79. Northwest wind 3 to 6 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of thunderstorms before 7pm.  Partly cloudy, with a low around 57. Light northwest wind.  Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 78. Light northwest wind.

    High: 78 °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 80. Light and variable wind.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers.  Mostly clear, with a low around 59. Light south wind.

    Low: 59 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 59. Calm wind.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 82. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
A 30 percent chance of showers, mainly before 2am. Partly cloudy, with a low around 64. Southwest wind 3 to 5 mph.
Tuesday
A slight chance of showers and thunderstorms before noon, then a chance of showers between noon and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Northwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 57. Light northwest wind. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 78. Light northwest wind.
Wednesday Night
Mostly clear, with a low around 56. Calm wind.
Thursday
Sunny, with a high near 80. Light and variable wind.
Thursday Night
A 20 percent chance of showers. Mostly clear, with a low around 59. Light south wind.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 81. Light southwest wind increasing to 5 to 9 mph in the morning.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60. Southwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 79. Northwest wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 57. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 78. Light north wind.
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ABOUT THIS FORECAST

 
Point Forecast:
Trempealeau WI
 44.01°N 91.44°W
1:26 am CDT Aug 17, 2026
2am 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