ATIS Alerts

Paul C. Miller-Sparta Airport (8D4) Area Aviation Weather & Runway Winds

Aviation weather near Paul C. Miller-Sparta Airport in Sparta, MI, decoded from the nearest reporting station (KGRR): conditions, runway crosswinds, and free Telegram airport alerts.

Paul C. Miller-Sparta Airport (8D4) is a general aviation airport serving pilots in and around Sparta, MI at 775 ft. 8D4 has no weather station of its own. Conditions here are decoded from KGRR, about 16 nm away, the nearest reporting station, and local conditions can differ. Its 2 runways (07, 25), longest 4,033 ft, are checked against the current wind in the crosswind table below. The nearest TAF is issued for KGRR. Track it in the ATIS Alerts Telegram bot to get alerts read from KGRR, the station this page is based on.

VFR
Observed 0153Z (9:53 PM EDT)live · refreshes every 60s

No weather station at this airport: showing the nearest station KGRR, 16.3 nm away.

Wind
270° 3 kt
Visibility
10+ sm
Ceiling
24,000 ft
Altimeter
29.88"
Temp / Dew
73°F / 23°C
dew 65°F / 18°C

Wind from the west (270°) at 3 kt, visibility 10+ statute miles, scattered clouds at 5,000 ft, broken clouds at 24,000 ft, temperature 23°C (73°F), altimeter 29.88 inHg. Conditions are Visual Flight Rules (VFR), ceiling 24,000 ft.

Raw METAR
METAR KGRR 130153Z 27003KT 10SM SCT050 BKN240 23/18 A2988 RMK AO2 SLP114 T02280183

What changed at KGRR (nearest station)?

Since the 0053Z (8:53 PM EDT) report, compared automatically against the latest METAR.

  • Pressure rising: altimeter 29.86 → 29.88 inHg.

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Current pilot readout for 8D4

Based on the nearest station (KGRR), 8D4 is currently VFR with winds from 270° at 3 knots, visibility 10+ statute miles, and a 24,000 ft ceiling. The strongest crosswind component is currently on runway 07, about 1 knots. Density altitude is approximately 1,950 ft (field elevation 775 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 8D4. This is intended as a planning aid only and should not replace official performance calculations or pilot judgment.

RunwayHead / TailCrosswind
25FAV3 kt head1 kt right
073 kt tail1 kt left

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.

Wind (kt)Gusts (kt)Bottom strip, flight category:VFRMVFRIFRLIFRNo report
0122402Z14Z01Z

Over the last 23 h: wind 03 kt, ceiling unlimited24,000 ft.

8D4 weather radar

Live NEXRAD + lightning, with a 4-hour future-radar forecast. Drag to pan, tap ⚡ to toggle lightning.

Live weather radar around Paul C. Miller-Sparta Airport in Sparta, MI: 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 8D4 is headed.

Loading…
Loading radar…

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 8D4

Reported by pilots in flight over the past 6 hours, via aviationweather.gov.

PIREP0206Z (10:06 PM EDT) · 84 NM W of 8D4 · 36,000 ft MSL · BCS3
continuous light occasional moderate turbulence
Show raw report
MWC UA /OV BAE090030/TM 0206/FL360/TP BCS3/TB CONS LGT OCNL MOD
MWC UAHeader: reporting station and UA: a routine pilot report.
OV BAE090030Location: fix or navaid, optionally with a radial and distance in NM.
TM 0206Reported at 02:06 UTC.
FL360Altitude: 36,000 ft MSL.
TP BCS3Aircraft type reporting.
TB CONS LGT OCNL MODTurbulence: continuous light occasional moderate.
PIREP0153Z (9:53 PM EDT) · 45 NM W of 8D4 · 34,000 ft MSL · B739
continuous light to moderate chop turbulence
Show raw report
MWC UA /OV BAE090070/TM 0153/FL340/TP B739/TB CONS LGT-MOD CHOP
MWC UAHeader: reporting station and UA: a routine pilot report.
OV BAE090070Location: fix or navaid, optionally with a radial and distance in NM.
TM 0153Reported at 01:53 UTC.
FL340Altitude: 34,000 ft MSL.
TP B739Aircraft type reporting.
TB CONS LGT-MOD CHOPTurbulence: continuous light to moderate chop.
PIREP0107Z (9:07 PM EDT) · 100 NM SW of 8D4 · 31,000 ft MSL · B38M
intermittent light chop turbulence
Show raw report
ORD UA /OV CGT360040/TM 0107/FL310/TP B38M/TB INTMT LGT CHOP
ORD UAHeader: reporting station and UA: a routine pilot report.
OV CGT360040Location: fix or navaid, optionally with a radial and distance in NM.
TM 0107Reported at 01:07 UTC.
FL310Altitude: 31,000 ft MSL.
TP B38MAircraft type reporting.
TB INTMT LGT CHOPTurbulence: intermittent light chop.
PIREP0001Z (8:01 PM EDT) · 85 NM SE of 8D4 · 20,000 ft MSL · CRJ9
occasional moderate turbulence
Show raw report
JXN UA /OV JXN090015/TM 0001/FL200/TP CRJ9/TB OCNL MOD/RM ZOB
JXN UAHeader: reporting station and UA: a routine pilot report.
OV JXN090015Location: fix or navaid, optionally with a radial and distance in NM.
TM 0001Reported at 00:01 UTC.
FL200Altitude: 20,000 ft MSL.
TP CRJ9Aircraft type reporting.
TB OCNL MODTurbulence: occasional moderate.
RM ZOBRemarks.
PIREP2322Z (7:22 PM EDT) · 55 NM E of 8D4 · 14,000 ft MSL · CRJ7
Show raw report
MBS UA /OV MBS240020/TM 2322/FL140/TP CRJ7/TB NEG 140 ABV/RM ZOB
MBS UAHeader: reporting station and UA: a routine pilot report.
OV MBS240020Location: fix or navaid, optionally with a radial and distance in NM.
TM 2322Reported at 23:22 UTC.
FL140Altitude: 14,000 ft MSL.
TP CRJ7Aircraft type reporting.
TB NEG 140 ABVTurbulence: none reported 140 abv.
RM ZOBRemarks.
PIREP2321Z (7:21 PM EDT) · 85 NM E of 8D4 · 32,000 ft MSL · E170
Show raw report
FNT UA /OV FNT/TM 2321/FL320/TP E170/TB NEG/RM ZOB
FNT UAHeader: reporting station and UA: a routine pilot report.
OV FNTLocation: fix or navaid, optionally with a radial and distance in NM.
TM 2321Reported at 23:21 UTC.
FL320Altitude: 32,000 ft MSL.
TP E170Aircraft type reporting.
TB NEGTurbulence: none reported.
RM ZOBRemarks.
PIREP2305Z (7:05 PM EDT) · 98 NM W of 8D4 · during descent · E75L
Show raw report
MKE UA /OV MKE/TM 2305/FL025/TP E75L/TB NEG/RM MKE 25L FINAL
MKE UAHeader: reporting station and UA: a routine pilot report.
OV MKELocation: fix or navaid, optionally with a radial and distance in NM.
TM 2305Reported at 23:05 UTC.
FL025Altitude: 2,500 ft MSL.
TP E75LAircraft type reporting.
TB NEGTurbulence: none reported.
RM MKE 25L FINALRemarks.
PIREP2252Z (6:52 PM EDT) · 98 NM W of 8D4 · 4,000 ft MSL · GLF4
Show raw report
MKE UA /OV MKE/TM 2252/FL040/TP GLF4/SK BKN040
MKE UAHeader: reporting station and UA: a routine pilot report.
OV MKELocation: fix or navaid, optionally with a radial and distance in NM.
TM 2252Reported at 22:52 UTC.
FL040Altitude: 4,000 ft MSL.
TP GLF4Aircraft type reporting.
SK BKN040Sky condition: cloud bases and tops in hundreds of feet MSL.

⚠️ PIREPs are unverified pilot reports. Not for operational use: conditions change between reports.

Recent aviation weather trends at 8D4

From ATIS Alerts' hourly weather history.

Over the past 24 hours, the nearest station KGRR reported mostly VFR across 24 observations, with 0 flight-category changes. The strongest gust reached 21 kt, the lowest ceiling was 4,300 ft. Wind most often came from the SW.

Last 24 hours
VFR 100%
Wind avg/max: 6/16 kt
Max gust: 21 kt
Lowest ceiling: 4,300 ft
Lowest vis: -
Prevailing wind: SW
Category changes: 0
Last 7 days
VFR 95%MVFR 5%
Wind avg/max: 6/16 kt
Max gust: 22 kt
Lowest ceiling: 1,100 ft
Lowest vis: 3 sm
Prevailing wind: E
Category changes: 10

Most recent change: MVFRVFR

Active Runway - past 30 days
25
69%
07
31%

TAF | Terminal Aerodrome Forecast

Issued 2320Z (7:20 PM EDT)

TAF KGRR 122320Z 1300/1324 24006KT P6SM FEW040 FM130100 27005KT P6SM BKN040 FM130700 29004KT P6SM FEW250 FM131300 36007KT P6SM SCT200 FM131700 29012G20KT P6SM BKN150

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Airport facts

Reference data from the OurAirports dataset.

Type
General aviation airport
FAA LID
8D4
City
Sparta
State
Michigan
Country
United States
Elevation
775 ft
Coordinates
43.1274, -85.6792
Runways
2
Longest runway
4,033 ft
Weather reporting
Nearest station KGRR
TAF
Nearest KGRR
Time zone
America/Detroit
Next sunset
21h 41m

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Nearby airports

Compare nearby METAR/TAF stations within 25, 50 and 100 NM before departure or arrival.

RC flying fields nearby

AMA model-aircraft club fields around this airport: live wind, crosswind & flyability on each page.

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8D4 weather: frequently asked

What runways are available at 8D4?+

8D4 has 2 runways: 07, 25; the longest is 4,033 ft. This page computes the live crosswind for each runway end from the current wind.

Where does the weather shown for 8D4 come from?+

Paul C. Miller-Sparta Airport does not have its own weather station. Conditions shown here come from the nearest reporting station, KGRR, about 16 nm away, close enough for situational awareness, but local conditions at 8D4 can differ.

Does 8D4 have a TAF?+

Yes. The KGRR TAF is shown on this page below the current conditions.

Does 8D4 broadcast D-ATIS?+

No. 8D4 does not broadcast D-ATIS. Alerts for 8D4 from the ATIS Alerts bot (@atisalerts_bot) are based on its METAR (via the nearest reporting station) instead.

Pilot PIREPs for Paul C. Miller-Sparta Airport (8D4)

Community-submitted

Community-submitted airport notes from pilots about runway conditions, wildlife, FBOs, fuel, turbulence, ramp access, and local tips.

Read recent community-submitted pilot notes for Paul C. Miller-Sparta Airport, 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 8D4 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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