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.

A Few Clouds

35°F

2°C

Humidity 86%
Wind Speed Calm
Barometer 30.03 in (1017.7 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 19 Mar 5:55 am EDT
Extended Forecast for

2 Miles SW Somerset IN

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 61. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 61 °F

    Gradual
    Clearing

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Southeast wind around 5 mph.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 71. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 71 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. North wind 5 to 10 mph.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Northeast wind around 5 mph becoming southwest in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 61. Calm wind becoming southeast around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 45. Southeast wind around 5 mph.
Friday
Partly sunny, with a high near 71. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 42. North wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 67. Northeast wind around 5 mph becoming southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 50.
Sunday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 75.
Sunday Night
A 20 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 60.
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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:
5:30 am EDT Mar 19, 2026
Forecast Valid:
6am EDT Mar 19, 2026-6pm EDT Mar 25, 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