National Weather Service United States Department of Commerce

Heavy Rainfall Continues in Florida; Critical Fire Weather in the Southeast; Heavy Rain and Flooding Concerns in Hawaii

Thunderstorms and periods of heavy to excessive rainfall will continue over Florida through Thursday. Gusty winds and low humidity will promote elevated to critical fire weather conditions from central Georgia into north-central North Carolina Wednesday. A Kona Low is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the island chain through the weekend. Read More >

COZ205-081000-
COZ205-081000-
Colorado River Headwaters-
1146 AM MDT Tue Apr 7 2026

Fire Weather Planning Forecast for Wrn Colorado and Ern Utah
National Weather Service Grand Junction CO
1146 AM MDT Tue Apr 7 2026

.DISCUSSION...

Scattered showers and thunderstorms are possible this afternoon 
across the southern mountains. Gusty outflow winds and lightning 
will remain a threat with storms. Wetting rains are not expected. 
Lower elevations remain dry with localized critical fire weather 
conditions each afternoon this week. More widespread critical fire
weather conditions could develop late week ahead of a weekend 
disturbance that will bring relative humidities back above 
critical values across the region.

...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.....32-42 F. 
Max humidity........49-59%. 
20-foot winds.......Downslope/downvalley winds 3 to 6 mph. 
                    Localized gusts up to 30 mph in the evening. 
CWR.................0 percent. 
15K Ft MSL Winds....West 20 to 25 mph increasing to 25 to 35 mph 
                    after midnight. 
Mixing Height.......11000 ft AGL until 1900. 2000 ft AGL after 
                    2000. 
Transport Winds.....West 5 to 10 mph. 
Smoke dispersal.....Good until 2100, then poor. 

.WEDNESDAY...
Sky/weather.........Mostly sunny (10-20%) until 1200, then partly 
                    cloudy (30-40%). 
Chc of lightning....0 percent. 
Max temperature.....55-65 F. 
Min humidity........16-26%. 
20-foot winds.......Downslope/downvalley winds 4 to 8 mph becoming 
                    west 10 to 15 mph with gusts to 35 mph in the 
                    afternoon. 
CWR.................0 percent. 
15K Ft MSL Winds....West 25 to 35 mph decreasing to 20 to 30 mph in 
                    the afternoon. 
Mixing Height.......2000 ft AGL until 0900, then 11000 ft AGL. 
Transport Winds.....West 10 to 15 mph until 1200, then 20 to 25 
                    mph. 
Smoke dispersal.....Poor until 0900. Excellent after 1200. 

.WEDNESDAY NIGHT...
Sky/weather.........Partly cloudy (40-50%). 
Chc of lightning....0 percent. 
Min temperature.....36-46 F. 
Max humidity........47-57%. 
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 increasing to 20 to 30 mph 
                    after midnight. 
Mixing Height.......8000 ft AGL until 2000, then 2500 ft AGL. 
Transport Winds.....West 5 to 10 mph until 2400, then south. 
Smoke dispersal.....Good until 2100, then poor. 

.THURSDAY...
Sky/weather.........Partly cloudy (40-50%). Scattered showers and 
                    isolated thunderstorms after 1200. 
Chc of lightning....20 percent. 
Max temperature.....57-67 F. 
Min humidity........16-26%. 
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.................10 percent. 
15K Ft MSL Winds....West 20 to 30 mph. 
Mixing Height.......7500 ft AGL until 1200, then 9500 ft AGL. 
Transport Winds.....Southwest 5 to 10 mph until 1200, then west 15 
                    to 20 mph. 
Smoke dispersal.....Poor until 0900, then good until 1200, then 
                    excellent until 1500, then very good. 

.FORECAST FOR DAY 3 THROUGH 7...
.FRIDAY...Mostly cloudy. Scattered showers. Lows 33-43. Highs
58-68. Southwest winds 10 to 20 mph with gusts to  30 mph. 
.SATURDAY...Mostly cloudy. Scattered showers and isolated
thunderstorms. Lows 34-44. Highs 54-64. Southwest winds 10 to
20 mph with gusts to  35 mph. 
.SUNDAY...Mostly cloudy. Numerous showers and isolated
thunderstorms. Lows 30-40. Highs 45-55. Southwest winds 10 to
20 mph with gusts to  35 mph. 
.MONDAY...Mostly cloudy. Scattered showers and isolated
thunderstorms. Lows 27-37. Highs 41-51. 
.TUESDAY...Mostly cloudy. Isolated showers and thunderstorms.
Lows 23-33. Highs 41-51.