KSTS TAF

Terminal aerodrome forecast for Charles M Schulz/Sonoma County (STS · KSTS), Santa Rosa, CA. Issued 5 Nov 2026 1121Z, valid 1200Z to 1200Z, decoded period by period below. · Open on the map

All of Charles M Schulz/Sonoma County — runways, frequencies, charts and live weather

TAF issued 5 Nov 2026 1121Z

valid 1200Z to 1200Z

TAF KSTS 051121Z 0512/0612 00000KT 2SM BR SCT005 TEMPO 0512/0515 1/2SM FG OVC002 FM052000 16005KT P6SM FEW250 FM060300 35002KT P6SM FEW250 FM061100 00000KT P6SM SCT010

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

Period by period

Period (UTC)	Change	Wind	Vis	Ceiling	Sky	Cat
1200Z to 2000Z	Initial	Calm	2 SM	Clear	Scattered at 500 ft AGL	IFR

1200Z to 1500Z	TEMPO	No change	0.5 SM	200 ft OVC	Overcast at 200 ft AGL	LIFR

2000Z to 0300Z	FM	160° at 5 kt	6+ SM	Clear	Few at 25,000 ft AGL	VFR

0300Z to 1100Z	FM	350° at 2 kt	6+ SM	Clear	Few at 25,000 ft AGL	VFR

1100Z to 1200Z	FM	Calm	6+ SM	Clear	Scattered at 1,000 ft AGL	VFR

What the change groups mean

TEMPO: Temporary — expected for less than half the period, in spells under an hour.
FM: From — a rapid, permanent change to the conditions that follow.

What the categories mean

IFR: Instrument flight rules — ceiling 500 to 999 ft and/or visibility 1 to less than 3 SM.
LIFR: Low IFR — ceiling below 500 ft and/or visibility less than 1 SM.
VFR: Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.

Frequently asked

What is the current TAF for KSTS?

The forecast issued 5 Nov 2026 1121Z for Charles M Schulz/Sonoma County reads: TAF KSTS 051121Z 0512/0612 00000KT 2SM BR SCT005 TEMPO 0512/0515 1/2SM FG OVC002 FM052000 16005KT P6SM FEW250 FM060300 35002KT P6SM FEW250 FM061100 00000KT P6SM SCT010

How far ahead does a TAF forecast?

A TAF covers a 24-hour period at most airports and 30 hours at larger ones, issued four times a day at 0000Z, 0600Z, 1200Z and 1800Z. It describes conditions within roughly 5 statute miles of the airport, not the surrounding area.

What do FM, BECMG and TEMPO mean?

FM (from) marks a rapid, permanent change at the stated time. BECMG (becoming) marks a gradual change over the stated window. TEMPO marks conditions expected for less than half the period, in spells of under an hour each. PROB30 and PROB40 give the probability of the conditions that follow.

More about KSTS

Forecasts 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.

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