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.

Fair

31°F

-1°C

Humidity 66%
Wind Speed Calm
Barometer 30.61 in (1037.7 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 28 Mar 8:55 am EDT
Extended Forecast for

2 Miles SW Somerset IN

  • Today

    Today: Sunny, with a high near 46. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. South wind 5 to 10 mph.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 59. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 59 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Breezy. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 44. Chance of precipitation is 90%.

    Low: 44 °F

    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 46. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 34. South wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 59. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 51. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 71. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 63.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Breezy. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 44. Chance of precipitation is 90%.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 52.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 33.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 49.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 39.
Friday
A chance of showers. Mostly cloudy, with a high near 62.
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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:
6:45 am EDT Mar 28, 2026
Forecast Valid:
9am EDT Mar 28, 2026-6pm EDT Apr 3, 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