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

Hazardous Weather Conditions

Current conditions at

Grissom Air Force Base / Peru (KGUS)

Lat: 40.65°NLon: 86.15°WElev: 810ft.

Fair

40°F

4°C

Humidity 66%
Wind Speed W 6 mph
Barometer 30.08 in (1019.3 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 19 Apr 12:55 am EDT
Extended Forecast for

5 Miles ESE Young America IN

Freeze Watch April 20, 02:00am until April 20, 09:00am
Frost Advisory April 19, 02:00am until April 19, 09:00am
Click here for hazard details and duration
Freeze Watch
Frost Advisory

  • Overnight

    Overnight: Areas of frost after 2am. Otherwise, mostly clear, with a low around 34. West wind around 6 mph.

    Low: 34 °F

    Areas Frost

  • Sunday

    Sunday: Isolated showers after 5pm. Widespread frost, mainly before 8am. Otherwise, increasing clouds, with a high near 55. Breezy, with a southwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 10%.

    High: 55 °F

    Frost then
    Isolated
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Isolated showers before 8pm. Widespread frost, mainly after 3am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 31. Northwest wind 9 to 14 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 10%.

    Low: 31 °F

    Isolated
    Showers then
    Frost

  • Monday

    Monday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 53. West northwest wind 3 to 5 mph.

    High: 53 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. Light south wind becoming south southeast 6 to 11 mph in the evening. Winds could gust as high as 18 mph.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Breezy, with a southwest wind 15 to 22 mph, with gusts as high as 29 mph.

    High: 73 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 55. Southwest wind 11 to 14 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. West wind around 9 mph.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. Southwest wind around 7 mph becoming south southeast in the evening.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of frost after 2am. Otherwise, mostly clear, with a low around 34. West wind around 6 mph.
Sunday
Isolated showers after 5pm. Widespread frost, mainly before 8am. Otherwise, increasing clouds, with a high near 55. Breezy, with a southwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 10%.
Sunday Night
Isolated showers before 8pm. Widespread frost, mainly after 3am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 31. Northwest wind 9 to 14 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 10%.
Monday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 53. West northwest wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 41. Light south wind becoming south southeast 6 to 11 mph in the evening. Winds could gust as high as 18 mph.
Tuesday
Mostly sunny, with a high near 73. Breezy, with a southwest wind 15 to 22 mph, with gusts as high as 29 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 55. Southwest wind 11 to 14 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 76. West wind around 9 mph.
Wednesday Night
Mostly clear, with a low around 56. Southwest wind around 7 mph becoming south southeast in the evening.
Thursday
Mostly sunny, with a high near 80. South southwest wind 10 to 16 mph, with gusts as high as 22 mph.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 62.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 75. Breezy. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Young America IN
 40.52°N 86.27°W (Elev. 804 ft)
Last Update:
1:15 am EDT Apr 19, 2026
Forecast Valid:
1am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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