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Hazardous Weather Conditions

Current conditions at

Lafayette, Purdue University Airport (KLAF)

Lat: 40.41°NLon: 86.95°WElev: 604ft.

Mostly Cloudy

83°F

28°C

Humidity 70%
Wind Speed W 9 mph
Barometer 30.05 in (1017.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 8 Aug 12:54 pm EDT
Extended Forecast for

Dayton IN

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. West wind around 10 mph. Chance of precipitation is 20%.

    High: 85 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 63. West northwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 86. Light south southeast wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 86 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Isolated showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 9pm. Partly cloudy, with a low around 71. South southwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 87 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 71. South southwest wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 86. West southwest wind 8 to 10 mph. Chance of precipitation is 60%.

    High: 86 °F

    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 68. Southwest wind 3 to 7 mph. Chance of precipitation is 60%.

    Low: 68 °F

    T-storms
    Likely then
    Showers
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. South southwest wind 5 to 7 mph becoming west in the afternoon.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. West wind around 10 mph. Chance of precipitation is 20%.
Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 63. West northwest wind around 5 mph becoming calm in the evening.
Sunday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 86. Light south southeast wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Isolated showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 9pm. Partly cloudy, with a low around 71. South southwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. South southwest wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 86. West southwest wind 8 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 68. Southwest wind 3 to 7 mph. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. South southwest wind 5 to 7 mph becoming west in the afternoon.
Wednesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 64. West northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dayton IN
 40.37°N 86.77°W (Elev. 666 ft)
Last Update:
1:15 pm EDT Aug 8, 2026
Forecast Valid:
1pm EDT Aug 8, 2026-6pm EDT Aug 14, 2026
 
Forecast Discussion
 
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Additional Resources

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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