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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Lafayette, Purdue University Airport (KLAF)

Lat: 40.41°NLon: 86.95°WElev: 604ft.

Fog/Mist

48°F

9°C

Humidity 100%
Wind Speed SE 10 mph
Barometer 29.72 in (1006.4 mb)
Dewpoint 48°F (9°C)
Visibility 1.50 mi
Wind Chill44°F (7°C)
Last update 26 Dec 6:54 am EST
Extended Forecast for

2 Miles WNW Lafayette, Purdue University Airport IN

Dense Fog Advisory until December 26, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until December 26, 10:00am

    NOW until 10:00am Fri

    Dense Fog Advisory

  • Today

    High: 59 °F

    Chance Rain
    and Dense Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 39. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 50. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 50 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of rain after 1am. Cloudy, with a low around 49. South wind around 10 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Cloudy then
    Chance Rain

  • Sunday

    Sunday: Rain, with thunderstorms also possible after 4pm. High near 63. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 63 °F

    Rain

  • Sunday Night

    Sunday Night: Rain before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Some thunder is also possible. Low around 21. Blustery, with a west northwest wind 11 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 21 °F

    Rain then
    Rain/Snow and
    Blustery

  • Monday

    Monday: A 30 percent chance of snow, mainly before 7am. Mostly cloudy, with a high near 27. Blustery, with a west northwest wind 18 to 22 mph, with gusts as high as 33 mph.

    High: 27 °F

    Chance Snow
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Today
A 40 percent chance of rain before 9am. Widespread dense fog, mainly before 10am. Otherwise, mostly cloudy, with a high near 59. South wind 10 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph.
Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 39. Northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 50. Calm wind becoming southeast 5 to 9 mph in the morning.
Saturday Night
A 50 percent chance of rain after 1am. Cloudy, with a low around 49. South wind around 10 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain, with thunderstorms also possible after 4pm. High near 63. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Rain before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Some thunder is also possible. Low around 21. Blustery, with a west northwest wind 11 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 30 percent chance of snow, mainly before 7am. Mostly cloudy, with a high near 27. Blustery, with a west northwest wind 18 to 22 mph, with gusts as high as 33 mph.
Monday Night
Partly cloudy, with a low around 15. West northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 30. West southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 22. West southwest wind around 10 mph.
Wednesday
Partly sunny, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 14.
New Year's Day
Partly sunny, with a high near 26.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Lafayette, Purdue University Airport IN
 40.45°N 86.97°W (Elev. 719 ft)
Last Update:
7:15 am EST Dec 26, 2025
Forecast Valid:
7am EST Dec 26, 2025-6pm EST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation