Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend. Read More >

Current conditions at

Lafayette, Purdue University Airport (KLAF)

Lat: 40.41°NLon: 86.95°WElev: 604ft.

Fair

77°F

25°C

Humidity 96%
Wind Speed Calm
Barometer 29.99 in (1015.0 mb)
Dewpoint 76°F (24°C)
Visibility 8.00 mi
Heat Index78°F (26°C)
Last update 24 Jul 1:54 am EDT
Extended Forecast for

3 Miles NNW Dayton IN

Heat Advisory until July 24, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 24, 08:00pm

    NOW until
    8:00pm Sun

    Heat Advisory

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 75. Light south wind.

    Slight Chance
    T-storms

    Low: 75 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms.  Partly sunny and hot, with a high near 91. Heat index values as high as 103. Southwest wind 5 to 10 mph.

    Slight Chance
    T-storms

    High: 91 °F

  • Sunday
    Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Southwest wind 5 to 8 mph.  New rainfall amounts between a quarter and half of an inch possible.

    Chance
    T-storms

    Low: 72 °F

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 85. Northwest wind 3 to 7 mph.

    Chance
    T-storms

    High: 85 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 65. North northeast wind 3 to 5 mph.

    Mostly Clear

    Low: 65 °F

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    Sunny

    High: 85 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 66.

    Mostly Clear

    Low: 66 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 86.

    Slight Chance
    T-storms

    High: 86 °F

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Light south wind.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 91. Heat index values as high as 103. Southwest wind 5 to 10 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southwest wind 5 to 8 mph. New rainfall amounts between a quarter and half of an inch possible.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Northwest wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 65. North northeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Friday
A 30 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 66.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Click Map For Forecast
Point Forecast:
3 Miles NNW Dayton IN
 40.42°N 86.8°W (Elev. 653 ft)
2:45 am EDT Jul 24, 2016
2am EDT Jul 24, 2016-6pm EDT Jul 30, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database