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.

Partly Cloudy

46°F

8°C

Humidity 45%
Wind Speed N 9 mph
Barometer 30.10 in (1020.0 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 2 May 11:55 am EDT
Extended Forecast for

2 Miles SW Somerset IN

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 53. Northwest wind 5 to 10 mph.

    High: 53 °F

    Partly Sunny

  • Tonight

    Tonight: Areas of frost after 2am. Otherwise, mostly clear, with a low around 36. North wind around 5 mph becoming calm.

    Low: 36 °F

    Mostly Clear
    then Areas
    Frost

  • Sunday

    Sunday: A 20 percent chance of showers after 2pm. Areas of frost before 8am. Otherwise, partly sunny, with a high near 60. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 60 °F

    Areas Frost
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 10 percent chance of showers before 8pm. Mostly cloudy, with a low around 48. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 73. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.

    High: 64 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 44. Chance of precipitation is 80%.

    Low: 44 °F

    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 53. Northwest wind 5 to 10 mph.
Tonight
Areas of frost after 2am. Otherwise, mostly clear, with a low around 36. North wind around 5 mph becoming calm.
Sunday
A 20 percent chance of showers after 2pm. Areas of frost before 8am. Otherwise, partly sunny, with a high near 60. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A 10 percent chance of showers before 8pm. Mostly cloudy, with a low around 48. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 73. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Tuesday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 44. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 57.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 42.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 55.
Thursday Night
A slight chance of thunderstorms. Partly cloudy, with a low around 39. Chance of precipitation is 10%.
Friday
A slight chance of showers. Mostly sunny, 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:
10:17 am EDT May 2, 2026
Forecast Valid:
12pm EDT May 2, 2026-6pm EDT May 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation