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

46°F

8°C

Humidity 50%
Wind Speed E 13 G 21 mph
Barometer 30.28 in (1026.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 2 Mar 2:55 pm EST
Extended Forecast for

2 Miles SW Somerset IN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 44. East wind around 10 mph.

    High: 44 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. East wind around 5 mph.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 10am. High near 46. East wind around 5 mph. Chance of precipitation is 80%.

    High: 46 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 38. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 54. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 54 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely and possibly a thunderstorm before 1am, then rain between 1am and 4am, then rain and possibly a thunderstorm after 4am. Low around 49. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Rain

  • Thursday

    Thursday: Rain and possibly a thunderstorm before 7am, then rain between 7am and 1pm, then rain and possibly a thunderstorm after 1pm. High near 64. Chance of precipitation is 90%.

    High: 64 °F

    Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain

  • Friday

    Friday: A chance of rain, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.

    High: 70 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 44. East wind around 10 mph.
Tonight
Mostly cloudy, with a low around 32. East wind around 5 mph.
Tuesday
Rain, mainly after 10am. High near 46. East wind around 5 mph. Chance of precipitation is 80%.
Tuesday Night
Rain likely. Cloudy, with a low around 38. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 54. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain likely and possibly a thunderstorm before 1am, then rain between 1am and 4am, then rain and possibly a thunderstorm after 4am. Low around 49. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Rain and possibly a thunderstorm before 7am, then rain between 7am and 1pm, then rain and possibly a thunderstorm after 1pm. High near 64. Chance of precipitation is 90%.
Thursday Night
A 40 percent chance of rain, mainly before 1am. Mostly cloudy, with a low around 50.
Friday
A chance of rain, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
Friday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Saturday
Rain and possibly a thunderstorm. High near 69. Chance of precipitation is 80%.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 46.
Sunday
A slight chance of rain. Partly 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:
1:31 pm EST Mar 2, 2026
Forecast Valid:
2pm EST Mar 2, 2026-6pm EDT Mar 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