Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

Sparta, Sparta / Fort McCoy Airport (KCMY)

Lat: 43.96°NLon: 90.74°WElev: 837ft.

Partly Cloudy

80°F

27°C

Humidity 70%
Wind Speed E 5 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 15 Aug 11:55 am CDT
Extended Forecast for

4 Miles SW Norwalk WI

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 82. South wind around 6 mph.

    High: 82 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 3am.  Mostly cloudy, with a low around 68. Light and variable wind.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 82. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 82 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. Northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81. Calm wind becoming west around 6 mph in the afternoon.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers after 1am.  Partly cloudy, with a low around 62. Southwest wind around 6 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Mostly Clear
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 82. Southwest wind 5 to 9 mph.  Chance of precipitation is 60%.

    High: 82 °F

    Mostly Cloudy
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 60. Southwest wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 76. North wind 5 to 8 mph.

    High: 76 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 82. South wind around 6 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 68. Light and variable wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Partly sunny, with a high near 82. Northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 58. Northwest wind 5 to 8 mph becoming calm in the evening.
Monday
Sunny, with a high near 81. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 62. Southwest wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. Southwest wind 5 to 9 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Southwest wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 70%.
Wednesday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 76. North wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 54. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 75. Light and variable wind.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56. Calm wind.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 76. Calm wind becoming southwest around 6 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Norwalk WI
 43.8°N 90.67°W
9:16 am CDT Aug 15, 2026
12pm CDT Aug 15, 2026-6pm CDT Aug 21, 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