Nellis Air Force Base

KLSV / LSV

Las Vegas, US

Current TAF Forecast

Raw TAF:
TAF KLSV 041500Z 0415/0521 VRB06KT 9999 SKC QNH2999INS BECMG 0419/0420 16010G18KT 9999 SCT250 QNH2993INS BECMG 0500/0501 19012G20KT 9999 FEW150 SCT200 510009 QNH2977INS BECMG 0508/0509 33015G25KT 9999 FEW100 FEW150 520009 QNH2978INS TX25/0423Z TN11/0513Z

Detailed TAF Table

Parameter
Wed
18:00Z
+-1h
Wed
19:00Z
+0h
Wed
20:00Z
+1h
Wed
21:00Z
+2h
Wed
22:00Z
+3h
Wed
23:00Z
+4h
Thu
00:00Z
+5h
Thu
01:00Z
+6h
Thu
02:00Z
+7h
Thu
03:00Z
+8h
Thu
04:00Z
+9h
Thu
05:00Z
+10h
Thu
06:00Z
+11h
Thu
07:00Z
+12h
Thu
08:00Z
+13h
Thu
09:00Z
+14h
Thu
10:00Z
+15h
Thu
11:00Z
+16h
Thu
12:00Z
+17h
Thu
13:00Z
+18h
Thu
14:00Z
+19h
Thu
15:00Z
+20h
Thu
16:00Z
+21h
Thu
17:00Z
+22h
Thu
18:00Z
+23h
Thu
19:00Z
+24h
Wind Dir
VRB
160°
S
160°
S
160°
S
160°
S
160°
S
190°
S
190°
S
190°
S
190°
S
190°
S
190°
S
190°
S
190°
S
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
330°
NW
Wind Speed
6 kt
10 kt
G18 kt
10 kt
G18 kt
10 kt
G18 kt
10 kt
G18 kt
10 kt
G18 kt
12 kt
G20 kt
12 kt
G20 kt
12 kt
G20 kt
12 kt
G20 kt
12 kt
G20 kt
12 kt
G20 kt
12 kt
G20 kt
12 kt
G20 kt
15 kt
G25 kt
15 kt
G25 kt
15 kt
G25 kt
15 kt
G25 kt
15 kt
G25 kt
15 kt
G25 kt
15 kt
G25 kt
15 kt
G25 kt
15 kt
G25 kt
15 kt
G25 kt
15 kt
G25 kt
15 kt
G25 kt
Visibility
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
Weather
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
Clouds
CLR
SCT250
SCT250
SCT250
SCT250
SCT250
FEW150
SCT200
FEW150
SCT200
FEW150
SCT200
FEW150
SCT200
FEW150
SCT200
FEW150
SCT200
FEW150
SCT200
FEW150
SCT200
FEW100
FEW150
FEW100
FEW150
FEW100
FEW150
FEW100
FEW150
FEW100
FEW150
FEW100
FEW150
FEW100
FEW150
FEW100
FEW150
FEW100
FEW150
FEW100
FEW150
FEW100
FEW150
FEW100
FEW150
Ceiling
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
Flight Rules VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR
Day/Night
🌇
Dusk
🌇 17:37Z
🌙
Night
🌇 17:37Z
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌅 06:21Z
🌙
Night
🌅 06:21Z
🌅
Dawn
🌅 06:21Z
☀️
Day
🌅 06:21Z
☀️
Day
🌅 06:21Z
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
🌇 17:38Z
☀️
Day
🌇 17:38Z
☀️
Day
🌇 17:38Z
🌇
Dusk
🌇 17:38Z
🌙
Night
🌇 17:38Z
Flight Rules
VFR: Visual Flight Rules
MVFR: Marginal VFR
IFR: Instrument Flight Rules
LIFR: Low IFR
Ceiling Colors
Red: < 500ft
Amber: 500-1000ft
Blue: 1000-3000ft
Green: > 3000ft
⛈️ TCU: Towering Cumulus
🌩️ CB: Cumulonimbus
+Nh: Hours from now%: Probability of occurrenceAGL: Above Ground Level

Forecast Periods

BASE
VFR
Wind
VRB° at 6 kt
Visibility
10+ km
Clouds
CLR
📖 Plain English Explanation:

This is the base forecast condition. Winds will be variable in direction at 6 kt. Visibility will be excellent at 10+ km. Skies will be clear. Conditions will be suitable for Visual Flight Rules (VFR) operations.

BECMG 19:00Z - 20:00Z
VFR
Wind
160° at 10 kt
Gusts: 18 kt
Visibility
10+ km
Clouds
SCT250
📖 Plain English Explanation:

Conditions will gradually change to become: Winds from the South-Southeast (160°) at 10 kt. Gusts up to 18 kt are expected. Visibility will be excellent at 10+ km. Scattered clouds at 25000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

BECMG 00:00Z - 01:00Z
VFR
Wind
190° at 12 kt
Gusts: 20 kt
Visibility
10+ km
Clouds
FEW150 SCT200
📖 Plain English Explanation:

Conditions will gradually change to become: Winds from the South (190°) at 12 kt. Gusts up to 20 kt are expected. Visibility will be excellent at 10+ km. Few clouds at 15000 feet, Scattered clouds at 20000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

BECMG 08:00Z - 09:00Z
VFR
Wind
330° at 15 kt
Gusts: 25 kt
Visibility
10+ km
Clouds
FEW100 FEW150
📖 Plain English Explanation:

Conditions will gradually change to become: Winds from the North-Northwest (330°) at 15 kt. Gusts up to 25 kt are expected. Visibility will be excellent at 10+ km. Few clouds at 10000 feet, Few clouds at 15000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

📚 Understanding TAF Forecasts

Terminal Aerodrome Forecast (TAF) provides detailed weather forecasts specifically for aviation operations. Our system translates complex meteorological codes into plain English to help pilots of all experience levels understand forecasted conditions.

What TAF Includes:

  • • Wind direction, speed, and gusts
  • • Visibility in statute miles or kilometers
  • • Weather phenomena (rain, snow, fog, thunderstorms)
  • • Cloud coverage types and altitudes
  • • Forecast changes with timing
  • • Flight rules categories (VFR/IFR)

Change Indicators Explained:

  • BASE - Main forecast conditions
  • FM - Permanent change from specific time
  • BECMG - Gradual change over 2-4 hours
  • TEMPO - Temporary changes (less than 1 hour)
  • PROB30/40 - 30% or 40% probability

🛩️ Flight Rules Categories

VFR

Visual Flight Rules

  • • Ceiling ≥ 3000 ft
  • • Visibility ≥ 5 miles
  • • Good for visual flying

MVFR

Marginal VFR

  • • Ceiling 1000-3000 ft
  • • Visibility 3-5 miles
  • • Caution for VFR

IFR

Instrument Flight Rules

  • • Ceiling 500-1000 ft
  • • Visibility 1-3 miles
  • • Instruments required

LIFR

Low IFR

  • • Ceiling < 500 ft
  • • Visibility < 1 mile
  • • Challenging conditions

💡 TAF Reading Tips

For Student Pilots:

  • • Focus on the plain English explanations above
  • • Pay attention to flight rules categories
  • • Look for wind direction relative to runway headings
  • • Check for temporary conditions (TEMPO)

For Experienced Pilots:

  • • Cross-reference with raw TAF for precise timing
  • • Consider probability forecasts for alternate planning
  • • Monitor BECMG periods for gradual changes
  • • Always check current METAR vs TAF forecast

Important: TAF forecasts should always be supplemented with current METAR observations, PIREPs, and other weather information for complete situational awareness. Weather can change rapidly, and forecasts have inherent limitations.