National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat and Fire Weather Concerns in the West; Excessive Rainfall Possible in the South-Central U.S.

Heat will build over the Intermountain West and the Southwest the next couple of days. Lightning from dry thunderstorms can create new fire starts and combined with gusty winds may cause a fire to rapidly grow in Oregon and northern California. Flash flooding will be possible in Arizona and west Texas today, as well as parts of the southern and central Plains due to slow moving thunderstorms. Read More >

Hazardous Weather Conditions

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Mostly Cloudy

82°F

28°C

Humidity 75%
Wind Speed W 8 mph
Barometer 29.90 in (1012.0 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 30 Jun 11:55 am EDT
Extended Forecast for

2 Miles WSW Peru IN

  • Today

    Today: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. West wind around 10 mph.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 67. West wind around 5 mph.

    Low: 67 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 82. Northwest wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. Northwest wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Independence Day

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

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. West wind around 10 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 67. West wind around 5 mph.
Tuesday
Sunny, with a high near 82. Northwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 62. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 68.
Independence Day
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.
Friday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Peru IN
 40.76°N 86.1°W (Elev. 650 ft)
Last Update:
11:46 am EDT Jun 30, 2025
Forecast Valid:
11am EDT Jun 30, 2025-6pm EDT Jul 6, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation