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

64°F

18°C

Humidity 83%
Wind Speed SW 13 mph
Barometer 29.81 in (1009.4 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 10 Mar 1:55 am EDT
Extended Forecast for

2 Miles SSE Denver IN

  • Overnight

    Overnight: A slight chance of rain and thunderstorms before 4am, then a slight chance of rain and thunderstorms after 5am. Cloudy, with a low around 59. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of rain and thunderstorms before 4pm, then a slight chance of rain between 4pm and 5pm, then a slight chance of rain and thunderstorms after 5pm. Mostly cloudy, with a high near 74. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.

    High: 74 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 8pm. Low around 55. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Rain Likely
    then T-storms

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 2pm, then showers likely after 2pm. High near 65. Southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 65 °F

    T-storms then
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely before 8pm. Mostly cloudy, with a low around 29. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    Low: 29 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of rain after 2am. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: A 30 percent chance of rain, mainly before 8am. Mostly cloudy, with a high near 51. Breezy.

    High: 51 °F

    Chance Rain
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of rain and thunderstorms before 4am, then a slight chance of rain and thunderstorms after 5am. Cloudy, with a low around 59. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of rain and thunderstorms before 4pm, then a slight chance of rain between 4pm and 5pm, then a slight chance of rain and thunderstorms after 5pm. Mostly cloudy, with a high near 74. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.
Tuesday Night
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 8pm. Low around 55. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain and possibly a thunderstorm before 2pm, then showers likely after 2pm. High near 65. Southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers likely before 8pm. Mostly cloudy, with a low around 29. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Thursday
Sunny, with a high near 45.
Thursday Night
A 40 percent chance of rain after 2am. Mostly cloudy, with a low around 38.
Friday
A 30 percent chance of rain, mainly before 8am. Mostly cloudy, with a high near 51. Breezy.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
A slight chance of rain and snow before 2pm. Mostly cloudy, with a high near 50. Chance of precipitation is 20%.
Saturday Night
A 40 percent chance of rain. Cloudy, with a low around 41.
Sunday
Rain. High near 57. Breezy. Chance of precipitation is 80%.
Sunday Night
Rain and snow. Mostly cloudy, with a low around 25.
Monday
A slight chance of snow. Mostly cloudy, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Denver IN
 40.84°N 86.07°W (Elev. 745 ft)
Last Update:
2:16 am EDT Mar 10, 2026
Forecast Valid:
2am EDT Mar 10, 2026-6pm EDT Mar 16, 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