Grissom Air Reserve Base (KGUS) Aviation Weather, METAR, TAF & ATIS Alerts
Live aviation weather for Grissom Air Reserve Base in Peru, IN, including METAR, TAF, flight category, wind, visibility, ceiling, altimeter, runway crosswinds, and Telegram airport alerts.
Grissom Air Reserve Base (KGUS) is a regional airport serving Peru, IN at 812 ft. KGUS reports its own METAR and publishes a TAF, decoded live on this page as flight category, wind, visibility, ceiling and altimeter. Its 2 runways (05, 23), longest 12,501 ft, are checked against the current wind in the crosswind table below. The official FAA airport diagram is at the bottom of the page. Track KGUS in the ATIS Alerts Telegram bot to get a message when a new METAR changes the picture: flight category, wind, or ceiling past your selected minimums.
Wind calm, visibility 10+ statute miles, a few clouds at 3,500 ft, temperature 28°C (83°F), altimeter 29.85 inHg. Conditions are Visual Flight Rules (VFR).
METAR KGUS 122155Z AUTO 00000KT 10SM FEW035 28/20 A2985 RMK AO2 SLP105 T02810201 TSNO $
What changed at KGUS?
Since the 2055Z (4:55 PM EDT) report, compared automatically against the latest METAR.
- Wind speed down from 5 to 0 kt.
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Current pilot readout for KGUS
KGUS is currently VFR with calm winds, visibility 10+ statute miles, and no ceiling reported. Density altitude is approximately 2,650 ft (field elevation 812 ft). Review the latest TAF below for forecast changes before departure.
⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
New to aviation weather? How to read a METAR → · What VFR/MVFR/IFR mean → · Decode any METAR/TAF → · Density altitude calculator →
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Runway wind check
Estimated head/tailwind and crosswind for each runway end from the current reported wind.
Use this section to quickly compare current wind alignment across available runways at KGUS. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.
Current wind is calm: calm wind is not a factor for runway selection, and with no wind there is no head/tail or crosswind component to compute. Live numbers return automatically once a report includes a wind direction.
| Runway | Length | Surface | Head / Tail | Crosswind |
|---|---|---|---|---|
| 05 | 12,501 ft | ASP | - | - |
| 23 | 12,501 ft | ASP | - | - |
Open the crosswind calculator to try your own wind and runway numbers →
24-hour trend
Wind, ceiling and flight category over the last 24 hours.
Over the last 23 h: wind 6→0 kt, ceiling unlimited → unlimited.
KGUS weather radar
Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.
Live weather radar around Grissom Air Reserve Base in Peru, IN: the NOAA/NWS NEXRAD composite updates about every five minutes, with NOAA lightning strike density overlaid. The loop plays the past 50 minutes, then continues into a future-radar forecast (+1 to +4 hours, NOAA HRRR model) so you can see where precipitation around KGUS is headed.
Radar: NOAA/NWS via IEM · Forecast: NOAA HRRR · Lightning: NOAA · Map © Stadia Maps © OpenMapTiles © OpenStreetMap
Forecast frames (amber label) are HRRR model guidance, not observed radar. Lightning strike density appears as a blue-white glow when strikes are detected in view. Radar and lightning coverage are limited in parts of Alaska, Hawaii, and offshore areas. Not for navigation.
Pilot reports (PIREPs) within 100 NM of KGUS
Reported by pilots in flight over the past 6 hours, via aviationweather.gov.
Show raw report
DNV UA /OV CMI096029 /TM 2201 /FL340 /TP A21N /SK OVC-TOP340 /WX FV99SM /TA M45 /WV 25540KT /RM PRODUCED BY SKYPATH
DNV UAHeader: reporting station and UA: a routine pilot report.OV CMI096029Location: fix or navaid, optionally with a radial and distance in NM.TM 2201Reported at 22:01 UTC.FL340Altitude: 34,000 ft MSL.TP A21NAircraft type reporting.SK OVC-TOP340Sky condition: cloud bases and tops in hundreds of feet MSL.WX FV99SMWeather and flight visibility observed.TA M45Outside air temperature, °C.WV 25540KTWind (direction/speed) or wind-shear remarks.RM PRODUCED BY SKYPATHRemarks.Show raw report
FWA UA /OV OLK/TM 2138/FL340/TP BCS3/TB OCNL LGT CHOP
FWA UAHeader: reporting station and UA: a routine pilot report.OV OLKLocation: fix or navaid, optionally with a radial and distance in NM.TM 2138Reported at 21:38 UTC.FL340Altitude: 34,000 ft MSL.TP BCS3Aircraft type reporting.TB OCNL LGT CHOPTurbulence: occasional light chop.Show raw report
CMH UA /OV SCA/TM 2115/FL030/TP SR22/SK FEW020
CMH UAHeader: reporting station and UA: a routine pilot report.OV SCALocation: fix or navaid, optionally with a radial and distance in NM.TM 2115Reported at 21:15 UTC.FL030Altitude: 3,000 ft MSL.TP SR22Aircraft type reporting.SK FEW020Sky condition: cloud bases and tops in hundreds of feet MSL.Show raw report
DAY UA /OV KDAY/TM 2110/FL030/TP CRJ7/SK B030/RM DURD
DAY UAHeader: reporting station and UA: a routine pilot report.OV KDAYLocation: fix or navaid, optionally with a radial and distance in NM.TM 2110Reported at 21:10 UTC.FL030Altitude: 3,000 ft MSL.TP CRJ7Aircraft type reporting.SK B030Sky condition: cloud bases and tops in hundreds of feet MSL.RM DURDRemarks.Show raw report
FWA UA /OV FWA/TM 2000/FL027/TP CRJ7/SK B027/RM RY 23 DURD
FWA UAHeader: reporting station and UA: a routine pilot report.OV FWALocation: fix or navaid, optionally with a radial and distance in NM.TM 2000Reported at 20:00 UTC.FL027Altitude: 2,700 ft MSL.TP CRJ7Aircraft type reporting.SK B027Sky condition: cloud bases and tops in hundreds of feet MSL.RM RY 23 DURDRemarks.Show raw report
ARP UAL2142 3929N 08714W 1955 F350 263/031KT TB SMTH IC
ARP UAL2142 3929N 08714W 195…Header: reporting station and UA: a routine pilot report.Show raw report
IKK UA /OV C97/TM 1918/FL320/TP A21N/TB CONS LGT CHOP
IKK UAHeader: reporting station and UA: a routine pilot report.OV C97Location: fix or navaid, optionally with a radial and distance in NM.TM 1918Reported at 19:18 UTC.FL320Altitude: 32,000 ft MSL.TP A21NAircraft type reporting.TB CONS LGT CHOPTurbulence: continuous light chop.Show raw report
TOL UA /OV 8 NE 0G6/TM 1912/FL100/TP CL30/SK CLR/TB SMOOTH
TOL UAHeader: reporting station and UA: a routine pilot report.OV 8 NE 0G6Location: fix or navaid, optionally with a radial and distance in NM.TM 1912Reported at 19:12 UTC.FL100Altitude: 10,000 ft MSL.TP CL30Aircraft type reporting.SK CLRSky condition: cloud bases and tops in hundreds of feet MSL.TB SMOOTHTurbulence: smooth.⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.
Recent aviation weather trends at KGUS
From ATIS Alerts' hourly weather history.
Over the past 24 hours, KGUS reported mostly VFR across 34 observations, with 6 flight-category changes. The lowest ceiling was 1,500 ft. Wind most often came from the E.
Most recent change: MVFR → VFR
Most recent change: MVFR → VFR
- 23
- 61%
- 05
- 39%
TAF | Terminal Aerodrome Forecast
Issued 2100Z (5:00 PM EDT)
TAF KGUS 122100Z 1221/1403 VRB06KT 9999 SCT040 QNH2983INS BECMG 1308/1309 VRB06KT 4800 BR FEW030 QNH2994INS TEMPO 1310/1313 00000KT 3200 BR SKC BECMG 1313/1314 34008KT 9999 NSW SCT030 BKN080 QNH3000INS BECMG 1317/1318 33010G15KT 9999 BKN030 BKN080 QNH3002INS TEMPO 1320/1324 34012G20KT 9000 -SHRA BKN018 BECMG 1400/1401 VRB06KT 9999 FEW080 QNH3008INS TX26/1320Z TN17/1310Z LAST NO AMDS AFT 1303 NEXT 1313
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Airport facts
Reference data from the OurAirports dataset.
- Type
- Regional airport
- ICAO
- KGUS
- IATA
- GUS
- FAA LID
- GUS
- City
- Peru
- State
- Indiana
- Country
- United States
- Elevation
- 812 ft
- Coordinates
- 40.6481, -86.1521
- Runways
- 2
- Longest runway
- 12,501 ft
- Weather reporting
- Reports METAR
- TAF
- Published
- ATIS
- 108.45 MHz
- Time zone
- America/Indiana/Indianapolis
- Sunset in
- 1h 28m
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Nearby airports
Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.
Within 25 NM
9 airports+3 more within 25 NM
25–50 NM
8 airports+2 more within 50 NM
50–100 NM
7 airports+1 more within 100 NM
RC flying fields nearby
AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.
- Galveston Radio Control Fun Flyers - Galveston Airport , Galveston, IN · 7 mi
- Converse Flying Eagles - Converse Airport , Amboy, IN · 14 mi
- Kokomo Blue Angels - S 700 E 250 S , Greentown, IN · 16 mi
Historical Flying Weather at KGUS
2006–2025 · ATIS Alerts Flying Weather Index
Based on historical observations from 2006–2025, KGUS reported VFR conditions during about 77.2% of valid daylight observations, with an estimated 239 VFR flying days a year. August had the most VFR weather; January had the most instrument conditions. Surface winds averaged 8.0 kt, calm 6.8% of the time.
Full historical breakdown
Flight category by month
| Month | VFR % | MVFR % | IFR % | LIFR % |
|---|---|---|---|---|
| Jan | 53.8 | 26.4 | 12.7 | 7.1 |
| Feb | 63.8 | 21.9 | 10.2 | 4.1 |
| Mar | 74.9 | 15.8 | 6.9 | 2.5 |
| Apr | 80.9 | 11.8 | 5.6 | 1.6 |
| May | 84.6 | 9.9 | 4.2 | 1.3 |
| Jun | 88.3 | 7.7 | 3.0 | 1.0 |
| Jul | 89.5 | 6.4 | 2.6 | 1.5 |
| Aug | 89.5 | 6.1 | 2.7 | 1.7 |
| Sep | 85.6 | 8.6 | 4.1 | 1.7 |
| Oct | 81.6 | 11.5 | 5.1 | 1.8 |
| Nov | 73.1 | 17.8 | 6.6 | 2.5 |
| Dec | 54.2 | 27.8 | 12.2 | 5.9 |
Average wind by month
| Month | Mean wind (kt) |
|---|---|
| Jan | 9.6 kt |
| Feb | 9.3 kt |
| Mar | 9.3 kt |
| Apr | 9.5 kt |
| May | 7.9 kt |
| Jun | 7.1 kt |
| Jul | 5.8 kt |
| Aug | 5.4 kt |
| Sep | 6.1 kt |
| Oct | 7.9 kt |
| Nov | 8.7 kt |
| Dec | 9.1 kt |
Historical summary of past observations: not a forecast or safety rating. Always check the current METAR, TAF, and a weather briefing before flight.
KGUS airport diagram
Official FAA taxiway and runway layout. Tap to zoom.
The FAA airport diagram for Grissom Air Reserve Base in Peru, IN shows the runway and taxiway layout across 2 runways, ramp areas, and hold-short positions. Review it before taxiing at an unfamiliar field.
Official FAA airport diagram · d-TPP cycle 2610 · Not for navigation. Download the official FAA PDF ↗
KGUS weather: frequently asked
What runways are available at KGUS?+
KGUS has 2 runways: 05, 23; the longest is 12,501 ft. This page computes the live crosswind for each runway end from the current wind.
Does KGUS report its own weather?+
Yes. Grissom Air Reserve Base has its own weather station and publishes METAR observations, which this page decodes live.
Does KGUS have a TAF?+
Yes. The TAF is shown on this page below the current conditions.
Does KGUS broadcast D-ATIS?+
No. KGUS does not broadcast D-ATIS. Alerts for KGUS from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR instead.
Where can I find the KGUS airport diagram?+
The official FAA airport diagram for Grissom Air Reserve Base (KGUS) is shown on this page. It maps the runway and taxiway layout, ramps, and hold-short lines. Tap it to zoom, or download the official FAA PDF free from the link under the diagram (updated every 28-day FAA charting cycle).
Pilot PIREPs for Grissom Air Reserve Base (KGUS)
Community-submittedCommunity-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.
Read recent community-submitted pilot notes for Grissom Air Reserve Base, including runway conditions, wildlife activity, FBO/fuel notes, turbulence, ramp access, and local airport tips.
⚠️ Pilot PIREPs on ATIS Alerts are community-submitted airport notes for situational awareness only. They are not official FAA PIREPs, NOTAMs, weather briefings, airport advisories, or flight-planning guidance. Always verify with official FAA/NWS sources, airport management, ATC, and current publications.
No Pilot PIREPs have been submitted for KGUS yet. Recently flew here? Help the next pilot by leaving a quick airport note.
Pilot PIREPs are community pilot notes for situational awareness only, not official FAA PIREPs or advisories. Verify with official sources. Notes are moderated before they appear; helpful marks and reports help us keep them useful.
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⚠️ Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.
No D-ATIS at this airport, showing METAR.
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