National Weather Service United States Department of Commerce

Heavy Rain and Severe Thunderstorms in the Southwest; Coastal Flooding Along Portions of the Eastern Seaboard

A slow moving front will produce a threat for heavy rainfall and severe weather from the southwest into the western High Plains through the weekend. Heavy rainfall and isolated flash flooding and gusty winds will be possible this weekend into early next week in portions of southern Florida. Coastal flooding impacts remain possible through the weekend along the Southeast and Mid-Atlantic coasts Read More >

COZ205-231000-
COZ205-231000-
Colorado River Headwaters-
716 PM MDT Thu Oct 22 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
716 PM MDT Thu Oct 22 2026

.DISCUSSION...
This is an automatically generated forecast with no discussion. 
The normal Fire Weather Forecast will resume in its entirety in 
the spring.


...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.........Mostly cloudy (70-80%). Numerous showers until 
                    2400. Isolated thunderstorms. Scattered showers 
                    after 2400. 
Chc of lightning....20 percent. 
Min temperature.....36-46 F. 
Max humidity........88-100%. 
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming 
                    downslope/downvalley 3 to 6 mph by sunset.
CWR.................90 percent. 
15K Ft MSL Winds....Southwest 30 to 40 mph increasing to 35 to 45 
                    mph after midnight. 
Mixing Height.......1000 ft AGL. 
Transport Winds.....South 5 to 10 mph. 
Smoke dispersal.....Poor. 

.FRIDAY...
Sky/weather.........Partly cloudy (50-60%). Scattered showers and 
                    isolated thunderstorms until 1200, isolated 
                    showers after 1200. 
Chc of lightning....20 percent. 
Max temperature.....52-62 F. 
Min humidity........39-49%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    southwest 10 to 15 mph in the afternoon. 
                    Localized gusts up to 35 mph. 
CWR.................10 percent. 
15K Ft MSL Winds....Southwest 35 to 45 mph decreasing to 30 to 40 
                    mph in the afternoon. 
Mixing Height.......3500 ft AGL until 1200, then 5000 ft AGL. 
Transport Winds.....Southwest 10 to 15 mph until 1200, then 20 to 
                    25 mph. 
Smoke dispersal.....Poor until 0900. Good after 1200. 

.FRIDAY NIGHT...
Sky/weather.........Partly cloudy (30-40%). Isolated showers after 
                    2400. 
Chc of lightning....0 percent. 
Min temperature.....30-40 F. 
Max humidity........71-86%. 
20-foot winds.......Upslope/upvalley 4 to 8 mph becoming 
                    downslope/downvalley 3 to 6 mph by sunset.
CWR.................10 percent. 
15K Ft MSL Winds....Southwest 20 to 30 mph. 
Mixing Height.......1000 ft AGL. 
Transport Winds.....Southwest 5 mph until 2400, then east. 
Smoke dispersal.....Poor. 

.SATURDAY...
Sky/weather.........Partly cloudy (30-40%) until 1200, then mostly 
                    cloudy (60-70%). Numerous showers and isolated 
                    thunderstorms after 1200. 
Chc of lightning....20 percent. 
Max temperature.....52-62 F. 
Min humidity........43-53%. 
20-foot winds.......Upslope/upvalley winds 4 to 8 mph. Localized 
                    gusts up to 20 mph in the afternoon. 
CWR.................50 percent. 
15K Ft MSL Winds....South 20 to 25 mph. 
Mixing Height.......2000 ft AGL until 1100, then 5000 ft AGL until 
                    1700, then 3000 ft AGL. 
Transport Winds.....Southeast 5 mph. 
Smoke dispersal.....Poor until 1200, then fair until 1500, then 
                    poor. 

.FORECAST FOR DAY 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Numerous showers and isolated
thunderstorms. Lows 31-41. Highs 47-57. Winds less than 15 mph. 
.MONDAY...Mostly cloudy. Scattered showers and isolated
thunderstorms. Lows 29-39. Highs 45-55. Winds less than 15 mph. 
.TUESDAY...Partly cloudy. Isolated showers. Lows 28-38. Highs
47-57. Winds less than 15 mph. 
.WEDNESDAY...Mostly clear. Isolated showers. Lows 27-37. Highs
47-57. 
.THURSDAY...Partly cloudy. Lows 27-37. Highs 48-58.