National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Excessive Rainfall and Severe Thunderstorms; Typhoon Watch for Guam/CNMI

Heavy to excessive rainfall will continue today from the Texas Big Bend region into southern Oklahoma. Locally considerable flash and urban flooding is possible, and river flooding will continue in central Oklahoma. Scattered severe thunderstorms are possible in parts of the Mid-Atlantic Friday. A Typhoon Watch has been issued for Guam and CNMI. Read More >

Current conditions at

Lafayette, Purdue University Airport (KLAF)

Lat: 40.41°NLon: 86.95°WElev: 604ft.

Fog/Mist

69°F

21°C

Humidity 90%
Wind Speed Calm
Barometer 29.88 in (1011.4 mb)
Dewpoint 66°F (19°C)
Visibility 6.00 mi
Last update 15 Oct 5:54 pm EDT
Extended Forecast for

5 Miles WSW Brookston IN

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then a chance of showers. Cloudy, with a low around 50. South wind 10 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly after 5pm. Mostly cloudy, with a high near 57. West wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 57 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 39. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 57. Calm wind.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 35. Calm wind.

    Low: 35 °F

    Clear

  • Sunday

    Sunday: Patchy frost before 9am. Otherwise, sunny, with a high near 65.

    High: 65 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely before 11pm, then a chance of showers. Cloudy, with a low around 50. South wind 10 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers, mainly after 5pm. Mostly cloudy, with a high near 57. West wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 39. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 57. Calm wind.
Saturday Night
Clear, with a low around 35. Calm wind.
Sunday
Patchy frost before 9am. Otherwise, sunny, with a high near 65.
Sunday Night
Clear, with a low around 39.
Monday
Sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Brookston IN
 40.58°N 86.96°W (Elev. 728 ft)
Last Update:
4:30 pm EDT Oct 15, 2026
Forecast Valid:
6pm EDT Oct 15, 2026-6pm EDT Oct 22, 2026
 
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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