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

Hazardous Weather Conditions

Current conditions at

Robinson Municipal Airport (KRSV)

Lat: 39.01°NLon: 87.65°WElev: 449ft.

Fair

82°F

28°C

Humidity 79%
Wind Speed NW 5 mph
Barometer 29.88 in
Dewpoint 75°F (24°C)
Visibility 7.00 mi
Heat Index89°F (32°C)
Last update 27 Jul 9:15 am CDT
Extended Forecast for

Sullivan IN

Heat Advisory July 27, 11:29am until July 27, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 27, 11:29am until July 27, 09:00pm

    NOW until 9:00pm Mon

    Heat Advisory

  • Today

    High: 93 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. South southwest wind around 7 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    T-storms

  • Tuesday

    Tuesday: Partly sunny, with a high near 88. North wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. North wind 5 to 9 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. North wind 5 to 9 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 62. North wind around 6 mph becoming calm in the evening.

    Low: 62 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Light north wind.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Today
Isolated showers and thunderstorms after 5pm. Sunny and hot, with a high near 93. Heat index values as high as 111. Southwest wind 6 to 8 mph. Chance of precipitation is 10%.
Tonight
Scattered showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. South southwest wind around 7 mph. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 88. North wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 63. North wind 5 to 9 mph.
Wednesday
Sunny, with a high near 84. North wind 5 to 9 mph.
Wednesday Night
Clear, with a low around 62. North wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 86. Light north wind.
Thursday Night
Partly cloudy, with a low around 66. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
A slight chance of showers and thunderstorms, then a chance of showers after 8pm. Mostly cloudy, with a low around 68. Light east southeast wind. Chance of precipitation is 40%.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IN
 39.1°N 87.41°W (Elev. 502 ft)
Last Update:
11:16 am EDT Jul 27, 2026
Forecast Valid:
11am EDT Jul 27, 2026-6pm EDT Aug 2, 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