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.

Light Drizzle

37°F

3°C

Humidity 91%
Wind Speed NW 13 mph
Barometer 30.04 in (1017.6 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 23 Mar 2:55 am EDT
Extended Forecast for

2 Miles SW Somerset IN

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 38. North wind around 15 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44. North wind around 15 mph, with gusts as high as 20 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. North wind 5 to 10 mph becoming light and variable after midnight.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 53. South wind around 5 mph.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. Southeast wind around 5 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Low around 35. Chance of precipitation is 80%.

    Low: 35 °F

    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 38. North wind around 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 44. North wind around 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 28. North wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
Partly sunny, with a high near 53. South wind around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 35. Southeast wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 66.
Wednesday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 53.
Thursday
A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Low around 35. Chance of precipitation is 80%.
Friday
A chance of rain and snow showers, mainly before 8am. Partly sunny, with a high near 45. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Mostly sunny, with a high near 58.
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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:
2:45 am EDT Mar 23, 2026
Forecast Valid:
3am EDT Mar 23, 2026-6pm EDT Mar 29, 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