
Scattered severe storms are expected in the Midwest this afternoon/tonight, with another threat possible in the central/southern Plains. Late-season snow is expected over parts of the central Rockies including the Denver Metro into Wednesday. Severe thunderstorms are expected Tuesday and Wednesday across Texas and the mid-South, with threats of damaging winds, large hail, tornadoes, and flooding. Read More >
COZ205-060030-
COZ205-060030-
Colorado River Headwaters-
220 AM MDT Tue May 5 2026
Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
220 AM MDT Tue May 5 2026
.DISCUSSION...
Unsettled weather will bring widespread valley rain and mountain
snow through Wednesday. While gusty winds are expected each
afternoon, humidities will remain above critical fire weather
threshholds. Fire weather concerns will be minimal through the
week. Heading into the weekend though, drier air and warmer
temperatures may bring a return to fire weather concerns.
...GUSTY ERRATIC WINDS CAN BE EXPECTED NEAR ANY SHOWERS
OR THUNDERSTORMS...
...THE SMOKE DATA IS CALCULATED FROM AN AVERAGE AT 6000 FEET MSL...
.TODAY...
Sky/weather.........Mostly cloudy (70-80%). Scattered showers and
isolated thunderstorms until 1200, then
numerous showers and scattered thunderstorms.
Chc of lightning....50 percent.
Max temperature.....48-58 F.
Min humidity........33-43%.
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming
west 10 to 15 mph in the afternoon. Localized
gusts up to 30 mph.
CWR.................60 percent.
15K Ft MSL Winds....West 20 to 30 mph.
Mixing Height.......3000 ft AGL until 0900, then 9500 ft AGL.
Transport Winds.....Southwest 10 to 15 mph until 1200, then west 20
to 25 mph.
Smoke dispersal.....Poor until 0900. Excellent after 1200.
.TONIGHT...
Sky/weather.........Mostly cloudy (70-80%). Numerous showers until
2400. Isolated thunderstorms. Showers after
2400.
Chc of lightning....20 percent.
Min temperature.....23-33 F.
Max humidity........82-97%.
20-foot winds.......Downslope/downvalley winds 3 to 6 mph.
Localized gusts up to 30 mph decreasing to 20
mph after midnight.
CWR.................90 percent.
15K Ft MSL Winds....West 25 to 35 mph decreasing to 20 to 25 mph
after midnight.
Mixing Height.......8000 ft AGL until 2000, then 2500 ft AGL.
Transport Winds.....West 5 to 10 mph.
Smoke dispersal.....Good until 2100, then poor.
.WEDNESDAY...
Sky/weather.........Mostly cloudy (70-80%). Snow showers and
isolated thunderstorms until 1200, then
scattered thunderstorms and snow showers.
Chc of lightning....50 percent.
Max temperature.....36-46 F.
Min humidity........35-45%.
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized
gusts up to 20 mph increasing to 30 mph in the
afternoon.
CWR.................80 percent.
15K Ft MSL Winds....Northwest 15 to 20 mph decreasing to 10 to 15
mph in the afternoon.
Mixing Height.......8500 ft AGL.
Transport Winds.....North 5 to 10 mph.
Smoke dispersal.....Poor until 0900. Good after 1200.
.FORECAST FOR DAY 3 THROUGH 7...
.THURSDAY...Warmer. Mostly clear. Lows 16-26. Highs 50-60. Winds
less than 15 mph.
.FRIDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
30-40. Highs 58-68. West winds 10 to 20 mph with gusts to
30 mph.
.SATURDAY...Partly cloudy. Scattered showers and thunderstorms.
Lows 34-44. Highs 57-67. West winds 10 to 20 mph with gusts to
40 mph.
.SUNDAY...Partly cloudy. Isolated showers and thunderstorms. Lows
29-39. Highs 56-66.
.MONDAY...Mostly clear. Lows 31-41. Highs 63-73.