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FXUS65 KBOU 101226
AFDBOU
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
455 AM MST SAT JAN 10 2026
KEY MESSAGES
- SATURDAY KICKS OFF WITH THE COLDEST TEMPERATURES OF THE WEEK IN
PLACE, WITH LOWS RANGING FROM THE SINGLE DIGITS TO LOW TEENS
ACROSS THE PLAINS AND URBAN CORRIDOR. GRADUAL WARMING IS
EXPECTED THROUGH THE DAY.
- MODERATING TEMPERATURES THIS WEEKEND, WITH DRY WEATHER
PREVAILING THROUGH MIDDAY TUESDAY.
- THE NEXT CHANCE FOR PRECIPITATION WILL COME LATE TUESDAY AND
INTO WEDNESDAY.
DISCUSSION /THROUGH FRIDAY/
ISSUED AT 240 PM MST FRI JAN 9 2026
SOME FLURRIES HAVE LINGERED FOR QUITE A WHILE ACROSS THE SOUTHERN
FOOTHILLS AND PALMER DIVIDE TODAY. THESE WILL COME TO AN END
AROUND SUNSET AS THE DAYTIME HEATING ENDS. CLOUDS WILL CLEAR
TONIGHT WITH DRY CONDITIONS. THIS WILL ALLOW TEMPERATURES TO FALL
BELOW NORMAL WITH TEENS ACROSS MOST OF THE URBAN CORRIDOR AND
PLAINS WITH SINGLE DIGITS ON THE PALMER DIVIDE AND IN THE USUAL
COLD SPOTS LIKE GREELEY AND LIMON.
FROM SATURDAY THROUGH THE FOLLOWING WEEK, COLORADO WILL BE ON THE
EASTERN EDGE OF AN ANOMALOUSLY STRONG RIDGE OVER THE WESTERN US.
THIS WILL LEAD TO AN EXTENDED PERIOD OF DRY WEATHER DUE TO
SUBSIDENT FLOW. TEMPERATURES ALOFT WILL INCREASE THROUGH TUESDAY
WITH TEMPERATURES WARMING ABOVE NORMAL. MONDAY AND TUESDAY WILL
HAVE HIGHS IN THE UPPER 50S TO 60S ACROSS THE I-25 CORRIDOR AND
PLAINS. WINDS WILL BE BREEZY EACH DAY BUT THERE ARE NOT EXPECTED
TO BE ANY SIGNIFICANT HIGH WIND EVENTS. SOME ELEVATED FIRE WEATHER
CONDITIONS MAY DEVELOP ACROSS THE NORTHEAST PLAINS ESPECIALLY ON
TUESDAY.
SHORTWAVE TROUGHS WITHIN THE NORTHWESTERLY FLOW ALOFT MAY MOVE
OVER COLORADO TUESDAY NIGHT AND AGAIN ON THURSDAY INTO FRIDAY. THE
TUESDAY NIGHT TROUGH MAY BRING VERY LIGHT PRECIPITATION TO OUR
FORECAST AREA. THE THURSDAY TROUGH MAY ALSO BRING LIGHT
PRECIPITATION AND COULD ALLOW COLDER TEMPERATURES TO SLIDE ACROSS
THE NORTHEAST PLAINS.
AVIATION /12Z TAFS THROUGH 12Z SUNDAY/
ISSUED AT 408 AM MST SAT JAN 10 2026
VFR CONDITIONS TO PREVAIL THROUGH THE TAF PERIOD. DRAINAGE WINDS
ARE IN PLACE TO START THE DAY AND ARE EXPECTED TO GRADUALLY
TRANSITION TO THE WEST TO WNW THROUGH THE MORNING. HI-RES
GUIDANCE CONTINUES TO BE SPLIT ON AGREEMENT OF GUSTY NORTHERLY
WINDS MIXING DOWN THIS AFTERNOON. WITH MOS GUIDANCE HOLDING ONTO
THE MORE WESTERLY COMPONENT THROUGH THE DAY AT KDEN, LEANING
TOWARDS SLIGHTLY HIGHER CONFIDENCE IN THIS SCENARIO PLAYING OUT,
BUT THERE IS A CHANCE (~20%) WE SEE NORTHERLY WINDS DEVELOP FOR A
FEW HOURS THIS AFTERNOON BETWEEN 19-23Z, WITH GUSTS BETWEEN 20-25
KTS POSSIBLE. HAVE NUDGED WINDS TO A SLIGHT WNW AT 21Z FOR KDEN
AND 19Z AT APA (MUCH HIGHER CONFIDENCE FOR APA), BUT KDEN MAY HOLD
ONTO A MORE SW/W COMPONENT FOR THE AFTERNOON. DRAINAGE WINDS ARE
EXPECTED TO REDEVELOP BETWEEN 3-4Z FOR THE OVERNIGHT HOURS.
AT KBJC, WESTERLY WINDS ARE EXPECTED THROUGH THE DAY, WITH SIMILAR
DISAGREEMENTS IN THE HI-RES GUIDANCE AS THE OTHER TAF SITES
REGARDING N WINDS MIXING THEIR WAY DOWN FROM ALOFT. MOS HOLDS
ONTO WSW TO W WINDS THROUGH THE AFTERNOON, WITH INCREASING SPEEDS
AFTER 17Z AND GUSTS BETWEEN 20-25 KTS POSSIBLE THROUGH 22-23Z.
WITH HIGHER CONFIDENCE IN THE WESTERLY WINDS, HAVE GONE WITH THIS
SCENARIO FOR THIS TAF PACKAGE.
BOU WATCHES/WARNINGS/ADVISORIES
NONE.
DISCUSSION...DANIELSON
AVIATION...9
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