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

67°F

19°C

Humidity 92%
Wind Speed SW 5 mph
Barometer 29.91 in (1012.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 19 Aug 5:55 am EDT
Extended Forecast for

2 Miles SW New Waverly IN

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 78. West wind around 5 mph becoming calm.

    High: 78 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 78. Calm wind becoming northeast around 5 mph.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79. Calm wind becoming southeast around 5 mph.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 77.

    High: 77 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 78. West wind around 5 mph becoming calm.
Tonight
Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 78. Calm wind becoming northeast around 5 mph.
Thursday Night
Partly cloudy, with a low around 59. Calm wind.
Friday
Mostly sunny, with a high near 79. Calm wind becoming southeast around 5 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 61.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 77.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW New Waverly IN
 40.74°N 86.22°W (Elev. 630 ft)
Last Update:
4:15 am EDT Aug 19, 2026
Forecast Valid:
6am EDT Aug 19, 2026-6pm EDT Aug 25, 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