Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

Lafayette, Purdue University Airport (KLAF)

Lat: 40.41°NLon: 86.95°WElev: 604ft.

Overcast

40°F

4°C

Humidity 79%
Wind Speed SW 8 G 23 mph
Barometer 29.46 in (998.0 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 10 Dec 1:54 am EST
Extended Forecast for

5 Miles WSW Brookston IN

  • Overnight

    Overnight: Rain likely.  Cloudy, with a low around 35. Southwest wind around 20 mph, with gusts as high as 35 mph.  Chance of precipitation is 70%.

    Low: 35 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of snow after 2pm.  Cloudy, with a temperature falling to around 31 by 5pm. Northwest wind around 20 mph, with gusts as high as 35 mph.  Chance of precipitation is 50%.

    High: 40 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 10 percent chance of snow before 7pm.  Mostly cloudy, with a low around 19. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 27. Northwest wind 5 to 10 mph.

    High: 27 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Snow likely.  Cloudy, with a low around 22. Calm wind becoming southeast around 5 mph after midnight.  Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    Low: 22 °F

    Snow Likely

  • Friday

    Friday: A 40 percent chance of snow, mainly before 1pm.  Mostly cloudy, with a high near 30.

    High: 30 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow, mainly after 1pm.  Mostly cloudy and cold, with a high near 15.

    High: 15 °F

    Slight Chance
    Snow then
    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 1am.  Mostly cloudy, with a low around -5.

    Low: -5 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Rain likely. Cloudy, with a low around 35. Southwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.
Wednesday
A chance of rain before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of snow after 2pm. Cloudy, with a temperature falling to around 31 by 5pm. Northwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.
Wednesday Night
A 10 percent chance of snow before 7pm. Mostly cloudy, with a low around 19. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Partly sunny, with a high near 27. Northwest wind 5 to 10 mph.
Thursday Night
Snow likely. Cloudy, with a low around 22. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Friday
A 40 percent chance of snow, mainly before 1pm. Mostly cloudy, with a high near 30.
Friday Night
Mostly cloudy, with a low around 8.
Saturday
A 50 percent chance of snow, mainly after 1pm. Mostly cloudy and cold, with a high near 15.
Saturday Night
A 20 percent chance of snow before 1am. Mostly cloudy, with a low around -5.
Sunday
Sunny and cold, with a high near 6.
Sunday Night
Mostly clear, with a low around -5.
Monday
Mostly sunny, with a high near 22.
Monday Night
Mostly cloudy, with a low around 14.
Tuesday
Partly sunny, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Brookston IN
 40.58°N 86.96°W (Elev. 728 ft)
2:30 am EST Dec 10, 2025
2am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database