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

  • Overnight

    Overnight: Mostly clear, with a low around 52. East wind around 5 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. East wind around 5 mph becoming calm.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. South wind around 5 mph becoming calm.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. Southwest wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm, then showers after 2am. Low around 53. Southwest wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Showers
    Likely then
    Showers

  • Thursday

    Thursday: Showers, mainly before 8am. High near 67. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Showers then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 52. East wind around 5 mph.
Tuesday
Sunny, with a high near 81. East wind around 5 mph becoming calm.
Tuesday Night
Mostly clear, with a low around 52. South wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 81. Southwest wind 5 to 10 mph.
Wednesday Night
Showers likely and possibly a thunderstorm, then showers after 2am. Low around 53. Southwest wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers, mainly before 8am. High near 67. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Mostly clear, with a low around 46.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 43.
Monday
Mostly sunny, with a high near 72.
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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:
11:30 pm EDT Sep 1, 2025
Forecast Valid:
2am EDT Sep 2, 2025-6pm EDT Sep 8, 2025
 
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