COZ203-301245-
COZ203-301245-
Lower Colorado River-
244 PM MDT Tue Jul 29 2025
Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
244 PM MDT Tue Jul 29 2025
.DISCUSSION...
Hot and dry conditions will continue for eastern Utah and western
Colorado. Terrain based thunderstorms and showers are expected
each afternoon. Localized critical fire weather will develop
Thursday and beyond with more widespread coverage expected by next
week. Wetting rains are expected on terrain Wednesday and
Thursday, but decrease in coverage by week's end.
...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL...
.TONIGHT...
Sky/weather.........Partly cloudy (30-40%). Isolated showers until
2400. Areas of smoke.
Chc of lightning....0 percent.
Min temperature.....58-68 F near 6000 feet
52-62 F near 8000 feet.
Max humidity........36-46%.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 20 mph.
CWR.................0 percent.
15K Ft MSL Winds....West 10 to 15 mph.
Mixing Height.......13500 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....West 5 to 10 mph until 2400, then east.
Smoke dispersal.....Good until 2100, then poor.
.WEDNESDAY...
Sky/weather.........Sunny (0-10%) until 1200, then partly cloudy
(30-40%). Areas of smoke. Isolated showers and
thunderstorms after 1200.
Chc of lightning....10 percent.
Max temperature.....87-97 F near 6000 feet
78-88 F near 8000 feet.
Min humidity........7-12%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
15K Ft MSL Winds....Southwest 10 to 15 mph.
Mixing Height.......2500 ft AGL until 1000. 14500 ft AGL after
1200.
Transport Winds.....South 5 mph until 1200, then west 10 to 15 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy (30-40%). Isolated showers and
thunderstorms until 2400. Areas of smoke.
Chc of lightning....10 percent.
Min temperature.....59-69 F near 6000 feet
52-62 F near 8000 feet.
Max humidity........41-51%.
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming
downslope/downvalley 3 to 6 mph by sunset.
CWR.................0 percent.
15K Ft MSL Winds....West 15 to 20 mph.
Mixing Height.......12000 ft AGL until 2000, then 2000 ft AGL.
Transport Winds.....Southeast 5 to 10 mph.
Smoke dispersal.....Good until 2100, then poor.
.THURSDAY...
Sky/weather.........Mostly sunny (10-20%) until 1200, then partly
cloudy (40-50%). Areas of smoke until 1200.
Scattered showers and thunderstorms after 1200.
Chc of lightning....30 percent.
Max temperature.....85-95 F near 6000 feet
76-86 F near 8000 feet.
Min humidity........11-16%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................10 percent.
15K Ft MSL Winds....Southwest 20 to 25 mph.
Mixing Height.......3000 ft AGL until 1000. 13000 ft AGL after
1100.
Transport Winds.....South 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
56-66. Highs 85-95. Southwest winds 10 to 20 mph with gusts to
30 mph.
.SATURDAY...Mostly clear. Isolated showers and thunderstorms.
Lows 56-66. Highs 85-95. Southwest winds 10 to 20 mph with gusts
to 30 mph.
.SUNDAY...Mostly clear. Lows 55-65. Highs 85-95. Winds less than
15 mph.
.MONDAY...Mostly clear. Lows 55-65. Highs 86-96.
.TUESDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 56-66. Highs 86-96.
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