Severe Thunderstorms and Heavy Rainfall Across the South; Heat Spreads Across the West and Southern Plains

A couple of frontal boundaries will move east and south from the Plains to the Gulf and Atlantic coastlines. These boundaries will focus showers and thunderstorms through the weekend, with scattered severe thunderstorms from the Southern Plains and across the Gulf Coast states. Locally heavy rainfall may also occur, which may be welcome news across drought areas. Meanwhile, heat spreads westward. Read More >

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Overcast

58°F

14°C

Humidity 49%
Wind Speed N 6 mph
Barometer 29.86 in (1011.2 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 10 May 1:55 am EDT
Extended Forecast for

Grissom Air Force Base / Peru IN

  • Overnight

    Overnight: Mostly cloudy, with a low around 48. North wind around 5 mph.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 66. Northwest wind 5 to 10 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. North wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65. Light northeast wind becoming north 5 to 10 mph in the afternoon.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40. North wind 5 to 10 mph becoming east after midnight.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after 2pm.  Mostly sunny, with a high near 72.

    High: 72 °F

    Sunny then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am.  Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. Breezy.

    High: 64 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 48. North wind around 5 mph.
Sunday
Sunny, with a high near 66. Northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 41. North wind 5 to 10 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 65. Light northeast wind becoming north 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 40. North wind 5 to 10 mph becoming east after midnight.
Tuesday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 72.
Tuesday Night
A slight chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Low around 54. Chance of precipitation is 80%.
Wednesday
Mostly sunny, with a high near 64. Breezy.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 49.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 75.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Grissom Air Force Base / Peru IN
 40.65°N 86.14°W (Elev. 804 ft)
2:30 am EDT May 10, 2026
2am EDT May 10, 2026-6pm EDT May 16, 2026
 
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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