Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Light Rain Fog/Mist

50°F

10°C

Humidity 96%
Wind Speed SE 3 mph
Barometer 29.95 in (1014.8 mb)
Dewpoint 49°F (9°C)
Visibility 5.00 mi
Last update 5 Mar 5:55 am EST
Extended Forecast for

3 Miles N Somerset IN

Dense Fog Advisory until March 5, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until March 5, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Today

    High: 60 °F

    Showers and
    Dense Fog
    then Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: A slight chance of showers before 1am, then a slight chance of showers after 4am.  Patchy fog after 10pm.  Otherwise, cloudy, with a low around 49. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 73. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 7pm, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 60. South wind 15 to 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 68. Southwest wind around 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Today
Showers and possibly a thunderstorm before noon, then a chance of showers and thunderstorms between noon and 4pm, then a chance of showers after 4pm. Widespread dense fog, mainly before 7am. High near 60. Southeast wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A slight chance of showers before 1am, then a slight chance of showers after 4am. Patchy fog after 10pm. Otherwise, cloudy, with a low around 49. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 73. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
Friday Night
A slight chance of showers before 7pm, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. South wind 15 to 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm. High near 68. Southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 70.
Monday Night
A 30 percent chance of rain and thunderstorms after 1am. Partly cloudy, with a low around 55.
Tuesday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.
Wednesday
Rain. Mostly cloudy, with a high near 60. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Somerset IN
 40.74°N 85.87°W (Elev. 745 ft)
6:15 am EST Mar 5, 2026
6am EST Mar 5, 2026-6pm EDT Mar 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database