
A wet Memorial Day weekend is in store for the East, with widespread rainfall of 1 to more than 2 inches expected from the Gulf Coast to southern New England. Well above normal temperatures are forecast to build across the northern Plains. Another round of heavy to excessive rainfall is expected to impact the western Gulf Coast this weekend with Flood Watches in effect. Read More >
COZ205-241030-
COZ205-241030-
Colorado River Headwaters-
1221 PM MDT Sat May 23 2026
Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
1221 PM MDT Sat May 23 2026
.DISCUSSION...
Localized critical fire weather conditions are expected Saturday
afternoon around the Four Corners, but due to the short duration
and limited coverage, no Red Flag Warnings are in effect. Moisture
returns to the region to begin next week with widespread storms
likely Monday through Wednesday. Lightning could be prevalent
during this period with these storms. Dry and windy conditions
are re-established Wednesday and beyond.
...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%).
Chc of lightning....0 percent.
Min temperature.....39-49 F.
Max humidity........50-60%.
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 20 to 25 mph.
Mixing Height.......9000 ft AGL until 2000, then 500 ft AGL.
Transport Winds.....West 5 to 10 mph until 2400, then south.
Smoke dispersal.....Good until 2100, then poor.
.SUNDAY...
Sky/weather.........Partly cloudy (40-50%). Isolated showers.
Isolated thunderstorms after 1200.
Chc of lightning....20 percent.
Max temperature.....67-77 F.
Min humidity........18-28%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 25 mph.
CWR.................10 percent.
15K Ft MSL Winds....West 20 to 25 mph.
Mixing Height.......1500 ft AGL until 0900, then 10000 ft AGL.
Transport Winds.....West 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Very good after 1200.
.SUNDAY NIGHT...
Sky/weather.........Partly cloudy (30-40%). Isolated showers and
thunderstorms until 2400.
Chc of lightning....10 percent.
Min temperature.....41-51 F.
Max humidity........57-67%.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 20 mph in the evening.
CWR.................0 percent.
15K Ft MSL Winds....West 15 to 20 mph decreasing to 10 to 15 mph
after midnight.
Mixing Height.......7000 ft AGL until 2000, then 1000 ft AGL.
Transport Winds.....North 5 to 10 mph until 2400, then east.
Smoke dispersal.....Poor.
.MEMORIAL DAY...
Sky/weather.........Mostly sunny (20-30%) until 1200, then partly
cloudy (40-50%). Scattered showers and isolated
thunderstorms after 1200.
Chc of lightning....20 percent.
Max temperature.....70-80 F.
Min humidity........16-26%.
20-foot winds.......Downslope/downvalley 3 to 6 mph becoming
upslope/upvalley 4 to 8 mph by 1100.
CWR.................30 percent.
15K Ft MSL Winds....South 5 to 10 mph.
Mixing Height.......500 ft AGL until 0800. 8000 ft AGL after 0900.
Transport Winds.....South 5 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.TUESDAY...Mostly cloudy. Showers and scattered thunderstorms.
Lows 38-48. Highs 61-71. Winds less than 15 mph.
.WEDNESDAY...Partly cloudy. Scattered showers and isolated
thunderstorms. Lows 36-46. Highs 65-75. Winds less than 15 mph.
.THURSDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 37-47. Highs 69-79. Winds less than 15 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
38-48. Highs 64-74.
.SATURDAY...Partly cloudy. Isolated showers and thunderstorms.
Lows 36-46. Highs 64-74.