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

Platteville Municipal Airport (KPVB)

Lat: 42.69°NLon: 90.44°WElev: 1020ft.

Overcast

66°F

19°C

Humidity 100%
Wind Speed E 9 mph
Barometer 30.10 in
Dewpoint 66°F (19°C)
Visibility 5.00 mi
Last update 15 Aug 4:55 am CDT
Extended Forecast for

5 Miles SW Lancaster WI

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms.  Cloudy, with a low around 67. East wind around 8 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 8am.  Mostly cloudy, with a high near 82. East wind 5 to 7 mph becoming south in the afternoon.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms between 8pm and 4am, then a slight chance of showers.  Mostly cloudy, with a low around 70. Calm wind becoming west around 5 mph after midnight.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 81. Northwest wind 7 to 13 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. Northwest wind 5 to 8 mph.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79. Calm wind becoming west around 6 mph in the afternoon.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers after 1am.  Partly cloudy, with a low around 63. Southwest wind 3 to 5 mph.

    Low: 63 °F

    Mostly Clear
    then Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 80. Southwest wind 5 to 10 mph.  Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm.  Low around 64. Southwest wind around 7 mph becoming northwest after midnight.  Chance of precipitation is 80%.

    Low: 64 °F

    Showers

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 67. East wind around 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 8am. Mostly cloudy, with a high near 82. East wind 5 to 7 mph becoming south in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms between 8pm and 4am, then a slight chance of showers. Mostly cloudy, with a low around 70. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 81. Northwest wind 7 to 13 mph.
Sunday Night
Mostly clear, with a low around 61. Northwest wind 5 to 8 mph.
Monday
Sunny, with a high near 79. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 63. Southwest wind 3 to 5 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 64. Southwest wind around 7 mph becoming northwest after midnight. Chance of precipitation is 80%.
Wednesday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 75. North wind 9 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 57. North wind 3 to 7 mph.
Thursday
Mostly sunny, with a high near 73. East wind 3 to 6 mph.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 57. Light and variable wind.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 74. Light and variable wind becoming south 5 to 7 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Lancaster WI
 42.78°N 90.77°W
2:26 am CDT Aug 15, 2026
5am 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