Hazardous Weather Conditions
Current conditions at
Grissom Air Force Base / Peru (KGUS)
Lat: 40.65°NLon: 86.15°WElev: 810ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
Grissom Air Force Base / Peru IN
Today

High: 80 °F
Partly Sunny
Tonight
Low: 62 °F
Slight Chance
Showers then
Showers
LikelyMonday
High: 79 °F
Chance
Showers then
Chance
T-stormsMonday Night
Low: 65 °F
Chance
T-storms then
Slight Chance
ShowersTuesday
High: 81 °F
Partly Sunny
then Chance
T-stormsTuesday Night

Low: 64 °F
Showers
LikelyWednesday
High: 76 °F
Showers
Likely then
T-stormsWednesday Night
Low: 62 °F
T-storms then
Showers
LikelyThursday

High: 77 °F
Chance
Showers
Detailed Forecast
Today
Partly sunny, with a high near 80. Southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Tonight
A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 62. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Monday
A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Southwest wind 15 to 20 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 80%.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 56.
Friday
Mostly sunny, with a high near 83.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Grissom Air Force Base / Peru IN
40.65°N 86.14°W (Elev. 804 ft)
40.65°N 86.14°W (Elev. 804 ft)
11:16 am EDT Apr 12, 2026
11am EDT Apr 12, 2026-6pm EDT Apr 18, 2026



