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Current Weather Conditions:
Grissom Air Force Base / Peru, IN, United States

NWS Point Forecast for KGUS (KGUS) 40-39N 086-09W

Conditions at

2025.12.31 0955 UTC
Wind from the W (270 degrees) at 14 MPH (12 KT)
Visibility 10 mile(s)
Sky conditions overcast
Temperature 28.8 F (-1.8 C)
Windchill 17 F (-8 C)
Dew Point 24.4 F (-4.2 C)
Relative Humidity 83%
Pressure (altimeter) 29.89 in. Hg (1012 hPa)
ob KGUS 310955Z AUTO 27012KT 10SM OVC012 M02/M04 A2989 RMK AO2 SLP134 T10181042

Maximum and Minimum Temperatures

Maximum
Temperature
F (C)
Minimum
Temperature
F (C)
25.9 (-3.4) 23.5 (-4.7) In the 6 hours preceding Dec 31, 2025 - 12:55 AM EST / 2025.12.31 0555 UTC
25.2 (-3.8) 13.1 (-10.5) In the 24 hours preceding Dec 30, 2025 - 11:55 PM EST / 2025.12.31 0455 UTC

Precipitation Accumulation

Precipitation
Amount
A trace In the 3 hours preceding Dec 31, 2025 - 03:55 AM EST / 2025.12.31 0855 UTC
A trace In the 6 hours preceding Dec 31, 2025 - 12:55 AM EST / 2025.12.31 0555 UTC
0.43 inches In the 24 hours preceding Dec 29, 2025 - 06:55 AM EST / 2025.12.29 1155 UTC

24 Hour Summary

Time
EST (UTC)
Temperature
F (C)
Dew Point
F (C)
Pressure
Inches (hPa)
Wind
MPH
Weather
Latest 5 AM (10) Dec 31 28.8 (-1.8) 24.4 (-4.2) 29.89 (1012) W 14
4 AM (9) Dec 31 28.2 (-2.1) 24.3 (-4.3) 29.88 (1011) W 14
3 AM (8) Dec 31 28 (-2) 24 (-4) 29.88 (1011) W 14
2 AM (7) Dec 31 26 (-3) 24 (-4) 29.88 (1011) W 15 light freezing drizzle
1 AM (6) Dec 31 26 (-3) 23 (-5) 29.89 (1012) W 15 light freezing drizzle
Midnight (5) Dec 31 24 (-4) 23 (-5) 29.92 (1013) WSW 15 light precipitation
11 PM (4) Dec 30 24 (-4) 21 (-6) 29.97 (1014) WSW 15 light snow; mist
10 PM (3) Dec 30 24 (-4) 21 (-6) 29.99 (1015) WSW 13 light snow
9 PM (2) Dec 30 24 (-4) 21 (-6) 30 (1015) WSW 13 light snow; mist
8 PM (1) Dec 30 24 (-4) 19 (-7) 30.01 (1016) W 14 light snow
7 PM (0) Dec 30 24 (-4) 19 (-7) 30.04 (1017) W 12 light snow
6 PM (23) Dec 30 24 (-4) 17 (-8) 30.06 (1017) W 16 light snow
5 PM (22) Dec 30 23 (-5) 14 (-10) 30.06 (1017) W 16 light precipitation
4 PM (21) Dec 30 22.5 (-5.3) 12.0 (-11.1) 30.08 (1018) W 16
3 PM (20) Dec 30 21.4 (-5.9) 11.1 (-11.6) 30.08 (1018) W 14
2 PM (19) Dec 30 19.2 (-7.1) 10.9 (-11.7) 30.11 (1019) W 16
1 PM (18) Dec 30 17.6 (-8.0) 10.8 (-11.8) 30.13 (1020) W 15
Noon (17) Dec 30 17 (-8) 10 (-12) 30.14 (1020) W 14 light precipitation
11 AM (16) Dec 30 14 (-10) 8 (-13) 30.19 (1022) W 17 light snow
10 AM (15) Dec 30 14 (-10) 6 (-14) 30.2 (1022) W 15 blowing snow
9 AM (14) Dec 30 14 (-10) 8 (-13) 30.21 (1023) W 13 blowing snow
8 AM (13) Dec 30 14 (-10) 6 (-14) 30.19 (1022) W 15
7 AM (12) Dec 30 14 (-10) 8 (-13) 30.2 (1022) W 16 light snow
Oldest 6 AM (11) Dec 30 15 (-9) 10 (-12) 30.2 (1022) W 15 light snow
Time
EST (UTC)
Temperature
F(C)
Dew Point
F(C)
Pressure
Inches(hPa)
Wind
(MPH)
Weather

The information presented here is taken from products produced by the U.S. National Weather Service and other national and international agencies




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