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

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

2 Miles SW Somerset IN

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 78. Southwest wind around 5 mph.

    High: 78 °F

    Partly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 61. Southwest wind around 5 mph. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Southwest wind 5 to 10 mph.

    High: 79 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 75. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers before 8am. Mostly cloudy, with a high near 80.

    High: 80 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms before 8am. Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 78. Southwest wind around 5 mph.
Tonight
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 61. Southwest wind around 5 mph. Chance of precipitation is 60%.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Southwest wind 5 to 10 mph.
Thursday Night
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 61. West wind around 5 mph becoming calm in the evening.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 75. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers before 8am. Mostly cloudy, with a high near 80.
Saturday Night
A 30 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 66.
Sunday
A 30 percent chance of showers and thunderstorms before 8am. Partly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Sunny and hot, with a high near 91.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny and hot, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Somerset IN
 40.68°N 85.88°W (Elev. 702 ft)
Last Update:
2:46 pm EDT Jun 24, 2026
Forecast Valid:
3pm EDT Jun 24, 2026-6pm EDT Jun 30, 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