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

82°F

28°C

Humidity 82%
Wind Speed Calm
Barometer 29.92 in (1012.8 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 4 Jul 4:54 pm EDT
Extended Forecast for

Lafayette IN

Heat Advisory July 4, 05:37pm until July 4, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 4, 05:37pm until July 4, 09:00pm

    NOW until 9:00pm Sat

    Heat Advisory

  • Independence Day

    High: 84 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 67. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    T-storms
    Likely then
    Scattered
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 82. Light north northwest wind. Chance of precipitation is 30%.

    High: 82 °F

    Scattered
    Showers and
    Patchy Fog
    then
    Scattered
    T-storms

  • Sunday Night

    Sunday Night: Scattered showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and midnight. Mostly cloudy, with a low around 65. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 65 °F

    Scattered
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Northeast wind 3 to 6 mph.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. North northeast wind around 6 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. Light north wind.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Independence Day
Scattered showers and thunderstorms. Partly sunny, with a steady temperature around 84. West southwest wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 67. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Scattered showers, with thunderstorms also possible after 11am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 82. Light north northwest wind. Chance of precipitation is 30%.
Sunday Night
Scattered showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and midnight. Mostly cloudy, with a low around 65. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Northeast wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 62. North northeast wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 84. Calm wind becoming north northeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 63. Light north wind.
Wednesday
Sunny, with a high near 86. Calm wind.
Wednesday Night
Mostly clear, with a low around 66. Calm wind.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette IN
 40.4°N 86.86°W (Elev. 656 ft)
Last Update:
5:15 pm EDT Jul 4, 2026
Forecast Valid:
5pm EDT Jul 4, 2026-6pm EDT Jul 11, 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