Central Illinois Regional Airport at Bloomington-Normal

KBMI / BMI

Bloomington/Normal, US

Current TAF Forecast

Raw TAF:
TAF KBMI 172320Z 1800/1824 27013G21KT 6SM -SN BKN035 PROB30 1800/1803 2SM -SN BKN010 FM180300 27013KT P6SM VCSH BKN012 FM181000 25010KT P6SM SCT022 FM181500 23014G21KT P6SM SCT035 BKN120 FM182100 22015G22KT 4SM -SN SCT009 BKN022

Detailed TAF Table

Parameter
Sun
01:00Z
+-1h
Sun
02:00Z
+0h
Sun
03:00Z
+1h
Sun
04:00Z
+2h
Sun
05:00Z
+3h
Sun
06:00Z
+4h
Sun
07:00Z
+5h
Sun
08:00Z
+6h
Sun
09:00Z
+7h
Sun
10:00Z
+8h
Sun
11:00Z
+9h
Sun
12:00Z
+10h
Sun
13:00Z
+11h
Sun
14:00Z
+12h
Sun
15:00Z
+13h
Sun
16:00Z
+14h
Sun
17:00Z
+15h
Sun
18:00Z
+16h
Sun
19:00Z
+17h
Sun
20:00Z
+18h
Sun
21:00Z
+19h
Sun
22:00Z
+20h
Wind Dir
270°
W
270°
W
270°
W
270°
W
270°
W
270°
W
270°
W
270°
W
270°
W
250°
W
250°
W
250°
W
250°
W
250°
W
230°
SW
230°
SW
230°
SW
230°
SW
230°
SW
230°
SW
220°
SW
220°
SW
Wind Speed
13kt
G21kt
13kt
G21kt
13kt
G21kt
13kt
G21kt
13kt
G21kt
13kt
G21kt
13kt
G21kt
13kt
G21kt
13kt
G21kt
10kt
G21kt
10kt
G21kt
10kt
G21kt
10kt
G21kt
10kt
G21kt
14kt
G21kt
14kt
G21kt
14kt
G21kt
14kt
G21kt
14kt
G21kt
14kt
G21kt
15kt
G22kt
15kt
G22kt
Visibility
6SM
6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
>6SM
4SM
4SM
Weather
Light Snow
-SN
Light Snow
-SN
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
Light Snow
-SN
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
Light Snow
-SN
Light Snow
-SN
Clouds
BKN035
BKN035
BKN012
BKN012
BKN012
BKN012
BKN012
BKN012
BKN035
SCT022
SCT022
SCT022
SCT022
SCT022
SCT035
BKN120
SCT035
BKN120
SCT035
BKN120
SCT035
BKN120
SCT035
BKN120
SCT035
BKN120
SCT009
BKN022
SCT009
BKN022
Ceiling
3500ft
AGL
3500ft
AGL
1200ft
AGL
1200ft
AGL
1200ft
AGL
1200ft
AGL
1200ft
AGL
1200ft
AGL
3500ft
AGL
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
12000ft
AGL
12000ft
AGL
12000ft
AGL
12000ft
AGL
12000ft
AGL
12000ft
AGL
2200ft
AGL
2200ft
AGL
Flight Rules VFR VFR MVFR MVFR MVFR MVFR MVFR MVFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR MVFR MVFR
Day/Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌅 07:09
🌙
Night
🌅 07:09
🌅
Dawn
🌅 07:09
☀️
Day
🌅 07:09
☀️
Day
🌅 07:09
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
🌇 16:50
☀️
Day
🌇 16:50
☀️
Day
🌇 16:50
🌇
Dusk
🌇 16:50
🌙
Night
🌇 16:50
🌙
Night
🌙
Night
🌙
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
270° at 13 kt
Gusts: 21 kt
Visibility
6SM
Weather
Light Snow
Clouds
BKN035
📖 Plain English Explanation:

This is the base forecast condition. Winds from the West (270°) at 13kt. Gusts up to 21kt are expected. Visibility will be excellent at 6SM. Weather conditions: Light Snow. Broken clouds at 3500 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

PROB30 2026-02-18 00:00:00 - 2026-01-18 03:00:00
IFR
Visibility
2SM
Weather
Light Snow
Clouds
BKN010
📖 Plain English Explanation:

There is a 30% probability of: Visibility will be moderate at 2SM. Weather conditions: Light Snow. Broken clouds at 1000 feet. Instrument Flight Rules (IFR) conditions - instrument flying required.

FM180300 2026-01-18 03:00:00 - 2026-01-18 09:00:00
MVFR
Wind
270° at 13 kt
Visibility
>6SM
Clouds
BKN012
📖 Plain English Explanation:

Winds from the West (270°) at 13kt. Visibility will be excellent at more than 6SM. Broken clouds at 1200 feet. Marginal VFR conditions - some restrictions for visual flying.

FM181000 2026-01-18 10:00:00 - 2026-01-18 16:00:00
VFR
Wind
250° at 10 kt
Visibility
>6SM
Clouds
SCT022
📖 Plain English Explanation:

Winds from the West-Southwest (250°) at 10kt. Visibility will be excellent at more than 6SM. Scattered clouds at 2200 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

FM181500 2026-01-18 15:00:00 - 2026-01-18 21:00:00
VFR
Wind
230° at 14 kt
Gusts: 21 kt
Visibility
>6SM
Clouds
SCT035 BKN120
📖 Plain English Explanation:

Winds from the Southwest (230°) at 14kt. Gusts up to 21kt are expected. Visibility will be excellent at more than 6SM. Scattered clouds at 3500 feet, Broken clouds at 12000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

FM182100 2026-01-18 21:00:00 - 2026-01-19 03:00:00
MVFR
Wind
220° at 15 kt
Gusts: 22 kt
Visibility
4SM
Weather
Light Snow
Clouds
SCT009 BKN022
📖 Plain English Explanation:

Winds from the Southwest (220°) at 15kt. Gusts up to 22kt are expected. Visibility will be good at 4SM. Weather conditions: Light Snow. Scattered clouds at 900 feet, Broken clouds at 2200 feet. Marginal VFR conditions - some restrictions for visual flying.

📚 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.