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.

Overcast

68°F

20°C

Humidity 66%
Wind Speed Calm
Barometer 30.08 in (1018.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 15 Aug 3:55 am CDT
Extended Forecast for

3 Miles W Tunnel City WI

  • Overnight

    Overnight: A 20 percent chance of showers.  Mostly cloudy, with a steady temperature around 65. East wind around 6 mph.

    Low: 65 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 8am.  Mostly cloudy, with a high near 83. East wind around 6 mph.

    High: 83 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers after 5am.  Mostly cloudy, with a low around 68. Calm wind.  Chance of precipitation is 40%. 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 5 to 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers after 1am.  Partly cloudy, with a low around 61. Calm wind becoming southwest around 5 mph after midnight.

    Low: 61 °F

    Mostly Clear
    then Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 82. Southwest wind 3 to 8 mph.

    High: 82 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 70%.

    Low: 59 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a steady temperature around 65. East wind around 6 mph.
Saturday
A 20 percent chance of showers before 8am. Mostly cloudy, with a high near 83. East wind around 6 mph.
Saturday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 40%. 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 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 61. Calm wind becoming southwest around 5 mph after midnight.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. Southwest wind 3 to 8 mph.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 76. North wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 52. Calm wind.
Thursday
Mostly sunny, with a high near 76. Calm wind.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 54. Calm wind.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Tunnel City WI
 43.99°N 90.63°W
2:26 am CDT Aug 15, 2026
4am 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