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.

Mostly Cloudy

52°F

11°C

Humidity 64%
Wind Speed S 9 mph
Barometer 30.03 in (1017.7 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 24 Nov 2:55 pm EST
Extended Forecast for

2 Miles SW Somerset IN

  • This Afternoon

    This Afternoon: Cloudy, with a high near 54. South wind around 10 mph.

    High: 54 °F

    Cloudy

  • Tonight

    Tonight: Rain, mainly after 1am. Patchy fog after 1am. Low around 46. South wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Chance Rain
    then Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Rain, mainly before 1pm. Patchy fog before 10am. High near 56. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain after 7pm. Mostly cloudy, with a low around 36. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Chance Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 40. Breezy, with a west wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 40 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 54. South wind around 10 mph.
Tonight
Rain, mainly after 1am. Patchy fog after 1am. Low around 46. South wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain, mainly before 1pm. Patchy fog before 10am. High near 56. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
A 40 percent chance of rain after 7pm. Mostly cloudy, with a low around 36. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, with a high near 40. Breezy, with a west wind 20 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
Mostly cloudy, with a low around 24.
Thanksgiving Day
Mostly sunny, with a high near 32.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 32.
Friday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 19.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.
Saturday Night
Snow likely. Cloudy, with a low around 28. Chance of precipitation is 60%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 42.
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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:
12:16 pm EST Nov 24, 2025
Forecast Valid:
3pm EST Nov 24, 2025-6pm EST Nov 30, 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