Austin Straubel International Airport

KGRB / GRB

Green Bay, US

Current TAF Forecast

Raw TAF:
KGRB 152335Z 1600/1624 13005KT P6SM FEW250 FM160300 VRB03KT P6SM FEW250 FM160900 VRB03KT 4SM BR FEW250 TEMPO 1610/1612 1SM BR BKN004 FM161300 19007KT P6SM FEW250

Detailed TAF Table

Parameter
Tue
01:00Z
+-1h
Tue
02:00Z
+0h
Tue
03:00Z
+1h
Tue
04:00Z
+2h
Tue
05:00Z
+3h
Tue
06:00Z
+4h
Tue
07:00Z
+5h
Tue
08:00Z
+6h
Tue
09:00Z
+7h
Tue
10:00Z
+8h
Tue
11:00Z
+9h
Tue
12:00Z
+10h
Tue
13:00Z
+11h
Tue
14:00Z
+12h
Tue
15:00Z
+13h
Tue
16:00Z
+14h
Tue
17:00Z
+15h
Tue
18:00Z
+16h
Tue
19:00Z
+17h
Tue
20:00Z
+18h
Tue
21:00Z
+19h
Tue
22:00Z
+20h
Wind Dir
130°
SE
130°
SE
VRB
VRB
VRB
VRB
VRB
VRB
VRB
130°
SE
130°
SE
VRB
190°
S
190°
S
190°
S
190°
S
190°
S
190°
S
130°
SE
130°
SE
130°
SE
130°
SE
Wind Speed
5kt
5kt
3kt
3kt
3kt
3kt
3kt
3kt
3kt
5kt
5kt
3kt
7kt
7kt
7kt
7kt
7kt
7kt
5kt
5kt
5kt
5kt
Visibility
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
4SM
1SM
1SM
4SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
Weather
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
Mist
BR
Mist
BR
Mist
BR
Mist
BR
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
Clouds
FEW250
FEW250
FEW250
FEW250
FEW250
FEW250
FEW250
FEW250
FEW250
BKN004
BKN004
FEW250
FEW250
FEW250
FEW250
FEW250
FEW250
FEW250
FEW250
FEW250
FEW250
FEW250
Ceiling
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
400ft
AGL
400ft
AGL
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
Flight Rules VFR VFR VFR VFR VFR VFR VFR VFR MVFR LIFR LIFR MVFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR
Day/Night
🌙
Night
🌙
Night
🌙
Night
🌅 05:51
🌙
Night
🌅 05:51
🌙
Night
🌅 05:51
☀️
Day
🌅 05:51
☀️
Day
🌅 05:51
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
🌇 18:08
☀️
Day
🌇 18:08
☀️
Day
🌇 18:08
🌙
Night
🌇 18:08
🌙
Night
🌇 18:08
🌙
Night
🌙
Night
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
130° at 5 kt
Visibility
>6SM
Clouds
FEW250
📖 Plain English Explanation:

This is the base forecast condition. Winds from the Southeast (130°) at 5kt. Visibility will be excellent at more than 6SM. Few clouds at 25000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

FM160300 2025-09-16 03:00:00 - 2025-09-16 09:00:00
VFR
Wind
VRB° at 3 kt
Visibility
>6SM
Clouds
FEW250
📖 Plain English Explanation:

Winds will be variable in direction at 3kt. Visibility will be excellent at more than 6SM. Few clouds at 25000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

FM160900 2025-09-16 09:00:00 - 2025-09-16 15:00:00
MVFR
Wind
VRB° at 3 kt
Visibility
4SM
Weather
Mist
Clouds
FEW250
📖 Plain English Explanation:

Winds will be variable in direction at 3kt. Visibility will be good at 4SM. Weather conditions: Mist. Few clouds at 25000 feet. Marginal VFR conditions - some restrictions for visual flying.

TEMPO 2025-09-16 10:00:00 - 2025-09-16 12:00:00
LIFR
Visibility
1SM
Weather
Mist
Clouds
BKN004
📖 Plain English Explanation:

Temporary conditions (lasting less than an hour at a time) may include: Visibility will be moderate at 1SM. Weather conditions: Mist. Broken clouds at 400 feet. Low IFR conditions - challenging even for instrument operations.

FM161300 2025-09-16 13:00:00 - 2025-09-16 19:00:00
VFR
Wind
190° at 7 kt
Visibility
>6SM
Clouds
FEW250
📖 Plain English Explanation:

Winds from the South (190°) at 7kt. Visibility will be excellent at more than 6SM. Few clouds at 25000 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.