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.

Fair

68°F

20°C

Humidity 93%
Wind Speed Calm
Barometer 29.94 in (1013.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 19 Aug 1:54 am EDT
Extended Forecast for

3 Miles SSW Dayton IN

  • Overnight

    Overnight: Isolated showers and thunderstorms before 3am. Partly cloudy, with a low around 64. Southwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Isolated
    T-storms

  • Wednesday

    Wednesday: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Patchy fog between 7am and 9am. Otherwise, mostly cloudy, with a high near 78. Light west southwest wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Isolated
    T-storms and
    Patchy Fog
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 62 °F

    Scattered
    T-storms then
    Scattered
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 59. Light northeast wind.

    Low: 59 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 78. Light west wind becoming northwest 5 to 9 mph in the morning.

    High: 78 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 59. Northwest wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Overnight
Isolated showers and thunderstorms before 3am. Partly cloudy, with a low around 64. Southwest wind around 5 mph. Chance of precipitation is 20%.
Wednesday
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Patchy fog between 7am and 9am. Otherwise, mostly cloudy, with a high near 78. Light west southwest wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Scattered showers and thunderstorms. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Mostly sunny, with a high near 79. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 59. Light northeast wind.
Friday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79. Light and variable wind.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 78. Light west wind becoming northwest 5 to 9 mph in the morning.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 59. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 76. Northwest wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Dayton IN
 40.33°N 86.8°W (Elev. 699 ft)
Last Update:
2:15 am EDT Aug 19, 2026
Forecast Valid:
2am EDT Aug 19, 2026-6pm EDT Aug 25, 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