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.

Mostly Cloudy

82°F

28°C

Humidity 74%
Wind Speed S 5 mph
Barometer 29.95 in (1013.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 13 Aug 1:54 pm EDT
Extended Forecast for

Lafayette, Purdue University Airport IN

Flood Watch August 13, 02:24pm until August 15, 12:00am
Flood Warning August 13, 02:24pm until August 17, 06:30pm
Click here for hazard details and duration
Flood Watch
Flood Warning
  •  
    Flood Watch August 13, 02:24pm until August 15, 12:00am
    Flood Warning August 13, 02:24pm until August 17, 06:30pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 84 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 69. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 69 °F

    Showers
    Likely then
    Showers

  • Friday

    Friday: Showers and thunderstorms, mainly before 1pm. High near 82. Calm wind becoming west around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 82 °F

    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 70. Light northeast wind. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 87. East southeast wind 5 to 7 mph becoming south in the afternoon.

    High: 87 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. West southwest wind around 6 mph.

    Low: 73 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. West wind 3 to 8 mph.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 68. North northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers between 4pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 84. Light southeast wind. Chance of precipitation is 10%.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 69. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday
Showers and thunderstorms, mainly before 1pm. High near 82. Calm wind becoming west around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
A slight chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 70. Light northeast wind. Chance of precipitation is 20%.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 87. East southeast wind 5 to 7 mph becoming south in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. West southwest wind around 6 mph.
Sunday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. West wind 3 to 8 mph.
Sunday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 68. North northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.
Monday
A 10 percent chance of showers before 8am. Mostly sunny, with a high near 81. Calm wind becoming north around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 61. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lafayette, Purdue University Airport IN
 40.42°N 86.91°W (Elev. 604 ft)
Last Update:
2:21 pm EDT Aug 13, 2026
Forecast Valid:
2pm EDT Aug 13, 2026-6pm EDT Aug 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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