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.

Overcast

29°F

-2°C

Humidity 74%
Wind Speed NE 14 mph
Barometer 30.36 in (1029.3 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 1 Mar 8:55 am EST
Extended Forecast for

2 Miles SW Somerset IN

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 37. Northeast wind around 10 mph.

    High: 37 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. East wind 5 to 10 mph.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 43. East wind around 10 mph.

    High: 43 °F

    Partly Sunny

  • Monday Night

    Monday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 34. Southeast wind around 5 mph. Chance of precipitation is 70%.

    Low: 34 °F

    Slight Chance
    Rain then
    Rain Likely

  • Tuesday

    Tuesday: Rain. High near 51. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, with thunderstorms also possible after 1am. Low around 44. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm. High near 62. Chance of precipitation is 80%.

    High: 62 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely and possibly a thunderstorm. Cloudy, with a low around 51. Chance of precipitation is 70%.

    Low: 51 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.

    High: 61 °F

    Rain Likely

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 37. Northeast wind around 10 mph.
Tonight
Mostly cloudy, with a low around 25. East wind 5 to 10 mph.
Monday
Partly sunny, with a high near 43. East wind around 10 mph.
Monday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 34. Southeast wind around 5 mph. Chance of precipitation is 70%.
Tuesday
Rain. High near 51. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain, with thunderstorms also possible after 1am. Low around 44. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain and possibly a thunderstorm. High near 62. Chance of precipitation is 80%.
Wednesday Night
Rain likely and possibly a thunderstorm. Cloudy, with a low around 51. Chance of precipitation is 70%.
Thursday
Rain likely. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Thursday Night
Rain likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Friday
Rain and thunderstorms likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Friday Night
Rain likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Saturday
Rain likely. Cloudy, 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:
8:47 am EST Mar 1, 2026
Forecast Valid:
9am EST Mar 1, 2026-6pm EST Mar 7, 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