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

Hazardous Weather Conditions

Current conditions at

Lafayette, Purdue University Airport (KLAF)

Lat: 40.41°NLon: 86.95°WElev: 604ft.

A Few Clouds

63°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 29.91 in (1012.5 mb)
Dewpoint 63°F (17°C)
Visibility 7.00 mi
Last update 23 Sep 1:54 am EDT
Extended Forecast for

3 Miles N Dayton IN

Dense Fog Advisory until September 23, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until September 23, 09:00am

    NOW until 9:00am Tue

    Dense Fog Advisory

  • Overnight

    Low: 62 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Isolated showers after 5pm. Widespread dense fog before 10am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 10%.

    High: 81 °F

    Dense Fog
    then Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Cloudy, with a low around 63. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 73. Calm wind becoming northeast 5 to 7 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. North wind 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 73. North northwest wind 6 to 8 mph. Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 53. North northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 53 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after 8am. Mostly sunny, with a high near 76. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 76 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 62. Calm wind.
Tuesday
Isolated showers after 5pm. Widespread dense fog before 10am. Otherwise, mostly cloudy, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 10%.
Tuesday Night
Isolated showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Cloudy, with a low around 63. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 73. Calm wind becoming northeast 5 to 7 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. North wind 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 73. North northwest wind 6 to 8 mph. Chance of precipitation is 40%.
Thursday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 53. North northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers after 8am. Mostly sunny, with a high near 76. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 52. Light south southwest wind.
Saturday
Sunny, with a high near 80. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Dayton IN
 40.41°N 86.77°W (Elev. 604 ft)
Last Update:
12:45 am EDT Sep 23, 2025
Forecast Valid:
2am EDT Sep 23, 2025-6pm EDT Sep 29, 2025
 
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