Heavy Rain in the Mid-Atlantic; Severe Thunderstorms in the Northern Plains; Critical Fire in the West

Locally heavy rain and flash flooding will be possible today into tonight near the Mid-Atlantic/Carolina coast. Storms with large hail and severe wind gusts are expected across parts of the central and northern Plains into the upper Mississippi Valley. Dry thunderstorms, and warm, dry, and windy conditions will produce fire weather conditions in parts of the Great Basin and northern Rockies. Read More >

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Fair

83°F

28°C

Humidity 46%
Wind Speed W 7 mph
Barometer 30.01 in (1016.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 14 Aug 6:55 pm EDT
Extended Forecast for

2 Miles SW Peru IN

  • Tonight

    Tonight: Mostly clear, with a low around 64. Calm wind becoming east around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. Calm wind becoming southeast around 5 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 92. Heat index values as high as 99. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 92 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. South wind around 5 mph becoming calm.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 69.

    Low: 69 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am.  Partly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 64. Calm wind becoming east around 5 mph.
Friday
Sunny, with a high near 88. Calm wind becoming southeast around 5 mph.
Friday Night
Mostly clear, with a low around 69. Calm wind.
Saturday
Sunny and hot, with a high near 92. Heat index values as high as 99. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 72. South wind around 5 mph becoming calm.
Sunday
Mostly sunny and hot, with a high near 93.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 70.
Tuesday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Wednesday Night
A slight chance of thunderstorms. Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Peru IN
 40.73°N 86.1°W (Elev. 650 ft)
6:00 pm EDT Aug 14, 2025
7pm EDT Aug 14, 2025-6pm EDT Aug 21, 2025
 
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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