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.

Overcast

84°F

29°C

Humidity 70%
Wind Speed Calm
Barometer 29.89 in (1011.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 26 Jul 6:54 pm EDT
Extended Forecast for

4 Miles NNE Dayton IN

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly after 5am. Patchy fog between 1am and 3am. Otherwise, partly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 30%.

    Low: 71 °F

    Partly Cloudy
    then
    Scattered
    T-storms and
    Patchy Fog

  • Monday

    Monday: Scattered showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 89. Heat index values as high as 102. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    Scattered
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 71. West southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 82. North wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 82 °F

    Chance
    T-storms then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. North wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 21 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. North wind 3 to 8 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 59. North wind 5 to 7 mph becoming calm in the evening.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly after 5am. Patchy fog between 1am and 3am. Otherwise, partly cloudy, with a low around 71. Light and variable wind. Chance of precipitation is 30%.
Monday
Scattered showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 89. Heat index values as high as 102. Light and variable wind becoming southwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 71. West southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 30 percent chance of showers and thunderstorms before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 82. North wind 10 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 60. North wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 82. North wind 3 to 8 mph.
Wednesday Night
Clear, with a low around 59. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 83. Calm wind.
Thursday Night
Partly cloudy, with a low around 63. Calm wind.
Friday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 83. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Dayton IN
 40.44°N 86.74°W (Elev. 650 ft)
Last Update:
7:15 pm EDT Jul 26, 2026
Forecast Valid:
7pm EDT Jul 26, 2026-6pm EDT Aug 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation