KFSW METAR

Current observed weather at Fort Madison Municipal (FSW · KFSW), Fort Madison, IA, elevation 722 ft. Reported 21 Sep 2026 0635Z, decoded below with the past 24 hours of observations. · Open on the map

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METAR observed 21 Sep 2026 0635Z

IFR

METAR KFSW 210635Z AUTO 03010KT 10SM OVC008 17/16 A3003 RMK AO2

Wind

030° at 10 kt

Visibility

10+ SM

Ceiling

800 ft OVC

Temp / Dewpoint

17° / 16°C

Altimeter

30.03"

Times are UTC (Zulu), as they appear in the report.

What it says

Field	Value	What that means
Flight category	IFR	Instrument flight rules — ceiling 500 to 999 ft and/or visibility 1 to less than 3 SM.
Wind	030° at 10 kt	Direction is degrees true, as reported.
Visibility	10+ SM	10 SM is the maximum an automated US station reports; it means 10 or greater.
Ceiling	800 ft OVC	Lowest OVC layer, 800 ft above the field.
Sky	Overcast at 800 ft AGL	—
Temperature	17°C (63°F)	—
Dewpoint	16°C (61°F)	—
Temp/dewpoint spread	1°C	A spread of 2°C or less favours fog or low stratus forming.
Altimeter	30.03 inHg	Set this in the Kollsman window; it is the field’s current sea level pressure setting.

VFRMVFRIFRLIFRhover for the full observation

Flight category

Wind · kt (gust shading)

Ceiling · ft (log scale, ▲ = unlimited)

Visibility · SM

All 24 stored observations time · category · wind · visibility · ceiling · temp

Time	Category	Wind	Visibility	Ceiling	Temp
0635Z	VFR	320° at 6 kt	10+ SM	Clear	23°C
0735Z	VFR	350° at 10 kt	10+ SM	Clear	22°C
0835Z	VFR	030° at 7 kt	10+ SM	10,000 ft	21°C
0935Z	IFR	070° at 2 kt	2.5 SM	9,000 ft	20°C
1055Z	VFR	310° at 2 kt	10+ SM	11,000 ft	20°C
1135Z	VFR	330° at 4 kt	8 SM	9,500 ft	20°C
1235Z	VFR	170° at 5 kt	10+ SM	7,500 ft	20°C
1335Z	VFR	190° at 7 kt	10+ SM	6,500 ft	20°C
1435Z	IFR	300° at 4 kt	10+ SM	500 ft	21°C
1555Z	IFR	310° at 1 kt	10+ SM	700 ft	21°C
1635Z	MVFR	350° at 4 kt	10+ SM	1,300 ft	22°C
1735Z	MVFR	040° at 7 kt	10+ SM	1,200 ft	23°C
1835Z	MVFR	050° at 5 kt	10+ SM	1,500 ft	23°C
1935Z	MVFR	010° at 4 kt	10+ SM	2,500 ft	23°C
2035Z	IFR	010° at 9 kt	10+ SM	600 ft	22°C
2135Z	IFR	020° at 9 kt	10+ SM	600 ft	21°C
2235Z	IFR	020° at 10-15 kt	10+ SM	600 ft	20°C
2335Z	IFR	020° at 9 kt	10+ SM	600 ft	19°C
0035Z	IFR	020° at 7-15 kt	10+ SM	600 ft	19°C
0135Z	IFR	020° at 9 kt	10+ SM	600 ft	18°C
0235Z	IFR	020° at 10 kt	10+ SM	800 ft	18°C
0355Z	IFR	030° at 8 kt	10+ SM	800 ft	18°C
0435Z	MVFR	040° at 10 kt	10+ SM	1,000 ft	18°C
0555Z	IFR	020° at 7 kt	10+ SM	800 ft	17°C

Frequently asked

What is the current METAR at KFSW?

The 21 Sep 2026 0635Z observation at Fort Madison Municipal reads: METAR KFSW 210635Z AUTO 03010KT 10SM OVC008 17/16 A3003 RMK AO2

Is KFSW VFR right now?

Fort Madison Municipal is reporting IFR. Instrument flight rules — ceiling 500 to 999 ft and/or visibility 1 to less than 3 SM.

How often is the KFSW METAR updated?

Routine observations are issued hourly, usually in the 5 minutes before the hour. A SPECI is issued between them whenever conditions change significantly — a ceiling or visibility crossing a category threshold, a wind shift, or the onset of precipitation or a thunderstorm.

More about KFSW

Observations from the US National Weather Service Aviation Weather Center. Times are UTC (Zulu). For planning and education only — always confirm with an official preflight briefing.

Something here wrong or out of date? Report a data problem.