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

Black River Falls Area Airport (KBCK)

Lat: 44.25°NLon: 90.85°WElev: 830ft.

Partly Cloudy

49°F

9°C

Humidity 100%
Wind Speed NW 3 mph
Barometer 30.00 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 14 Oct 12:35 am CDT
Extended Forecast for

Blair WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. Northwest wind 3 to 5 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 62. Northeast wind 3 to 6 mph.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers, mainly after 11am. High near 58. Light and variable wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 35. Breezy, with a northwest wind 8 to 18 mph, with gusts as high as 29 mph.

    Low: 35 °F

    Slight Chance
    Showers and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 54. Breezy, with a north wind 16 to 22 mph, with gusts as high as 36 mph.

    High: 54 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Widespread frost, mainly after 3am. Otherwise, clear, with a low around 29. Northwest wind around 5 mph becoming calm in the evening.

    Low: 29 °F

    Clear then
    Frost

  • Saturday

    Saturday: Widespread frost before 9am. Otherwise, sunny, with a high near 61. Light south wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 23 mph.

    High: 61 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 35. South wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 35 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. Northwest wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 62. Northeast wind 3 to 6 mph.
Wednesday Night
Mostly cloudy, with a low around 39. Light and variable wind.
Thursday
Showers, mainly after 11am. High near 58. Light and variable wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 35. Breezy, with a northwest wind 8 to 18 mph, with gusts as high as 29 mph.
Friday
Mostly sunny, with a high near 54. Breezy, with a north wind 16 to 22 mph, with gusts as high as 36 mph.
Friday Night
Widespread frost, mainly after 3am. Otherwise, clear, with a low around 29. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Widespread frost before 9am. Otherwise, sunny, with a high near 61. Light south wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 23 mph.
Saturday Night
Clear, with a low around 35. South wind 7 to 9 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 65. South wind 9 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 40. South wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Monday
Mostly sunny, with a high near 66. Light west wind.
Monday Night
Partly cloudy, with a low around 39. Calm wind.
Tuesday
Mostly sunny, with a high near 69. Calm wind becoming south 5 to 9 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Blair WI
 44.3°N 91.22°W
Last Update:
11:06 pm CDT Oct 13, 2026
Forecast Valid:
12am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
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Additional Resources

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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