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Current conditions at
Grissom Air Force Base / Peru (KGUS)
Lat: 40.65°NLon: 86.15°WElev: 810ft.
Fair
69°F
21°C
| Humidity | 71% |
| Wind Speed | S 7 mph |
| Barometer | 29.95 in (1013.8 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 18 May 2:55 am EDT |
Extended Forecast for
Amboy IN
Overnight

Low: 65 °F
Mostly Clear
Monday
High: 84 °F
Sunny then
T-stormsMonday Night
Low: 68 °F
Chance
T-storms then
Partly CloudyTuesday
High: 85 °F
Mostly Sunny
then Showers
and BreezyTuesday Night

Low: 56 °F
Showers
Wednesday
High: 66 °F
Chance
Showers then
Partly SunnyWednesday Night

Low: 48 °F
Mostly Cloudy
Thursday

High: 66 °F
Mostly Sunny
Thursday Night

Low: 49 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 65. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Showers and thunderstorms likely before 4pm, then showers and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. High near 84. Southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 68. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A chance of showers and thunderstorms between 1pm and 2pm, then showers and possibly a thunderstorm after 2pm. High near 85. Breezy, with a south wind 20 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 56. Southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers before 8am. Partly sunny, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 49.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 80.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Amboy IN
40.62°N 85.94°W (Elev. 797 ft)
40.62°N 85.94°W (Elev. 797 ft)
3:46 am EDT May 18, 2026
3am EDT May 18, 2026-6pm EDT May 24, 2026


