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

Hazardous Weather Conditions

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Partly Cloudy

80°F

27°C

Humidity 75%
Wind Speed S 8 mph
Barometer 29.85 in (1010.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 28 Jun 8:55 pm EDT
Extended Forecast for

2 Miles SW Somerset IN

Extreme Heat Warning June 29, 02:00pm until July 2, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Tonight

    Tonight: Cloudy, with a low around 71. Southeast wind around 5 mph.

    Low: 71 °F

    Cloudy

  • Monday

    Monday: Partly sunny and hot, with a high near 91. Heat index values as high as 102. South wind 5 to 10 mph.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73. South wind 5 to 10 mph.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92. Heat index values as high as 102. Southwest wind around 10 mph.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 73. Southwest wind around 10 mph.

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 73.

    Low: 73 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Cloudy, with a low around 71. Southeast wind around 5 mph.
Monday
Partly sunny and hot, with a high near 91. Heat index values as high as 102. South wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 73. South wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 92. Heat index values as high as 102. Southwest wind around 10 mph.
Tuesday Night
Clear, with a low around 73. Southwest wind around 10 mph.
Wednesday
Sunny and hot, with a high near 93.
Wednesday Night
Clear, with a low around 73.
Thursday
Sunny and hot, with a high near 93.
Thursday Night
A 20 percent chance of showers and thunderstorms after 2am. Mostly clear, with a low around 73.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny and hot, with a high near 92.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Independence Day
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Somerset IN
 40.68°N 85.91°W (Elev. 748 ft)
Last Update:
7:45 pm EDT Jun 28, 2026
Forecast Valid:
9pm EDT Jun 28, 2026-6pm EDT Jul 5, 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