National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Winter Weather and Frigid Temperatures This Weekend

Another clipper will drop into the Northern Plains and Upper Midwest into Sunday with snow and gusty winds contributing to some areas of blizzard conditions and snow squalls. Impactful snowfall will occur up and down the East Coast Sunday extending from the western Florida Panhandle to Maine. Read More >

Hazardous Weather Conditions

Current conditions at

Platteville Municipal Airport (KPVB)

Lat: 42.69°NLon: 90.44°WElev: 1020ft.

Overcast

14°F

-10°C

Humidity 87%
Wind Speed W 15 mph
Barometer 30.05 in
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 17 Jan 6:55 pm CST
Extended Forecast for

Potosi WI

Cold Weather Advisory January 19, 03:00am until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Snow likely, mainly before 8pm. Mostly cloudy, with a low around 7. Wind chill values as low as -7. West wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 7 °F

    Snow Likely
    then Mostly
    Cloudy

  • Sunday

    Sunday: Snow, mainly after 3pm. High near 20. Wind chill values as low as -4. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 20 °F

    Chance Snow
    then Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly before 7pm. Patchy blowing snow after 8pm. Cloudy, then gradually becoming partly cloudy, with a low around -4. Wind chill values as low as -24. Blustery, with a northwest wind 15 to 24 mph, with gusts as high as 36 mph.

    Low: -4 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • M.L.King Day

    M.L.King Day: Mostly sunny and cold, with a high near 5. Wind chill values as low as -25. Blustery, with a northwest wind 13 to 18 mph, with gusts as high as 32 mph.

    High: 5 °F

    Cold and
    Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around -3. Southwest wind 7 to 10 mph.

    Low: -3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 20. Southwest wind 7 to 9 mph.

    High: 20 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 13. South wind 8 to 10 mph becoming west after midnight.

    Low: 13 °F

    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 22. West wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 22 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 5. West wind 9 to 14 mph.

    Low: 5 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly before 8pm. Mostly cloudy, with a low around 7. Wind chill values as low as -7. West wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Sunday
Snow, mainly after 3pm. High near 20. Wind chill values as low as -4. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Sunday Night
A 30 percent chance of snow, mainly before 7pm. Patchy blowing snow after 8pm. Cloudy, then gradually becoming partly cloudy, with a low around -4. Wind chill values as low as -24. Blustery, with a northwest wind 15 to 24 mph, with gusts as high as 36 mph.
M.L.King Day
Mostly sunny and cold, with a high near 5. Wind chill values as low as -25. Blustery, with a northwest wind 13 to 18 mph, with gusts as high as 32 mph.
Monday Night
Partly cloudy, with a low around -3. Southwest wind 7 to 10 mph.
Tuesday
Mostly sunny, with a high near 20. Southwest wind 7 to 9 mph.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 13. South wind 8 to 10 mph becoming west after midnight.
Wednesday
Partly sunny, with a high near 22. West wind 10 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Partly cloudy, with a low around 5. West wind 9 to 14 mph.
Thursday
Mostly sunny, with a high near 19. West wind around 10 mph.
Thursday Night
Mostly cloudy, with a low around 8. South wind around 9 mph.
Friday
Partly sunny, with a high near 20. Northwest wind 9 to 11 mph.
Friday Night
Mostly cloudy, with a low around -1. North wind around 10 mph.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 9. North wind around 11 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Potosi WI
 42.67°N 90.72°W
Last Update:
6:21 pm CST Jan 17, 2026
Forecast Valid:
7pm CST Jan 17, 2026-6pm CST Jan 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation