Hazardous Weather Conditions
Current conditions at
Grissom Air Force Base / Peru (KGUS)
Lat: 40.65°NLon: 86.15°WElev: 810ft.
Overcast
77°F
25°C
| Humidity | 79% |
| Wind Speed | E 13 mph |
| Barometer | 29.63 in (1003.0 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 1 Aug 4:55 pm EDT |
Extended Forecast for
Mexico IN
Flood Watch until August 2, 05:00pm
NOW until 5:00pm Sun

Flood Watch
This Afternoon

High: 77 °F
T-storms
LikelyTonight
Low: 66 °F
T-storms then
Showers
LikelySunday
High: 78 °F
Showers
Likely then
Chance
T-stormsSunday Night
Low: 61 °F
Slight Chance
T-storms then
Partly CloudyMonday

High: 80 °F
Mostly Sunny
Monday Night

Low: 60 °F
Mostly Clear
Tuesday

High: 81 °F
Sunny
Tuesday Night

Low: 62 °F
Mostly Clear
Detailed Forecast
This Afternoon
Showers and thunderstorms likely. Cloudy, with a high near 77. East wind around 10 mph. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 66. Northeast wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 78. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A slight chance of thunderstorms before 8pm. Mostly cloudy, with a low around 61. North wind 5 to 10 mph. Chance of precipitation is 10%.
Monday
Mostly sunny, with a high near 80. Northeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82.
Wednesday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 63. Chance of precipitation is 20%.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 82.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mexico IN
40.82°N 86.13°W (Elev. 679 ft)
40.82°N 86.13°W (Elev. 679 ft)
4:16 pm EDT Aug 1, 2026
5pm EDT Aug 1, 2026-6pm EDT Aug 8, 2026



