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

Terre Haute Regional Airport (KHUF)

Lat: 39.44°NLon: 87.32°WElev: 568ft.

Overcast

73°F

23°C

Humidity 51%
Wind Speed S 5 mph
Barometer 30.20 in (1022.6 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 27 Aug 5:53 pm EDT
Extended Forecast for

Sullivan IN

  • Tonight

    Tonight: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. Northeast wind 3 to 5 mph.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77. East northeast wind around 6 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. Northeast wind around 5 mph.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 78. East northeast wind around 6 mph.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. Northeast wind 3 to 5 mph.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 54. Calm wind.
Thursday
Sunny, with a high near 80. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 58. Calm wind.
Friday
Sunny, with a high near 78. Calm wind becoming north northeast around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 53. Northeast wind 3 to 5 mph.
Saturday
Sunny, with a high near 77. East northeast wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 55. Northeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 78. East northeast wind around 6 mph.
Sunday Night
Mostly clear, with a low around 55. Northeast wind 3 to 5 mph.
Labor Day
Sunny, with a high near 80. East northeast wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 57.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 59.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IN
 39.1°N 87.41°W (Elev. 502 ft)
Last Update:
6:16 pm EDT Aug 27, 2025
Forecast Valid:
6pm EDT Aug 27, 2025-6pm EDT Sep 3, 2025
 
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