PHOENIX — >> LIVE BLOG FOR THURSDAY, AUG. 18 CAN BE FOUND HERE.
Wednesday weather coverage recap:
Arizona's monsoon pattern is getting powered and pumped up with tropical moisture Wednesday, bringing the potential for storms for the remainder of the workweek and weekend.
Storm chances will start to increase Wednesday, followed by an explosion of activity in Arizona Thursday through the weekend. Friday and Saturday have the potential to put out the heaviest rainfall. Flooding is a major threat but we also run the risk of strong winds and frequent lightning.
>> 12News Weather Radar | Upcoming forecast
RAINFALL TOTALS: Here are the Valley places that received measurable rainfall Friday
Rainfall amounts by the end of the weekend could reach 1-2 inches over south-central Arizona with a few inches for the higher terrain and possibly even higher totals for southeastern Arizona.
Temperatures will dramatically drop over the weekend. Valley highs will barely even make it to the 90s on Saturday.
This is a blog with the latest information. Check back for updates.
Live Blog
10:25 p.m. Isolated showers and thunderstorms will continue to drift into the Valley through the overnight hours. We could have some outflow winds and claps of thunder around the Valley and lower deserts.
9:40 p.m. Showers & isolated thunderstorms, mainly affecting southern Gila and northwest Pinal counties.
8:30 p.m. Strong winds from today's thunderstorms knocked down trees in Verrado.
7:30 p.m. The National Weather Service in Phoenix has issued A Dust Advisory for parts of the southeast Valley until 8:30 p.m.
7:15 p.m. ADOT camera catches wall of dust at Hwy 87 and Stotonic/Gilbert Road.
7:05 p.m. Storms took down some trees in Buckeye this afternoon.
6:50 p.m. Dust spotted in the East Valley. Be careful out there!
6:40 p.m. Dust Storm Warning for Casa Grande, Florence, Coolidge, Sun Lakes, Maricopa, Queen Creek, La Palma, Blackwater, Chandler Heights, and San Tan Valley.
6:31 p.m. Storms south of Quartzsite and near Gila Bend moved became organized with each other and appear to be weakening.
6:30 p.m. Heads up, San Tan Valley! Watch for storms in the area. Damaging winds and intense downpours are possible.
6:30 p.m. A dust storm warning is in effect until 7:30 p.m. for I-10 near Casa Grande.
6:18 p.m. Severe Thunderstorm Warning in effect until 7 p.m. for Apache Jct. Gold Canyon, Queen Creek, Florence, Chandler Heights, Gold Camp and Kings Ranch.
6:15 p.m. A Severe Thunderstorm Warning continues for Maricopa County and Pinal County until 6:45 p.m.
5:45 p.m. A special weather statement has been issued for Apache Junction, Queen Creek and Florence until 6:30 p.m.
5:30 p.m. Severe weather moves into the Buckeye area Wednesday evening.
5:10 p.m. Dust spotted along I-10 near Queen Creek.
5:10 p.m. Dust Advisory in place for Chandler, Casa Grande, Sun Lakes, Maricopa, Bapchule, Olberg, Ak-Chin Village, Sacaton and Santan.
4:50 p.m. Severe Thunderstorm Warning in the Valley until 5:30 p.m. 60 mph winds are impacting Phoenix, Glendale, Tolleson and Laveen.
4:42 p.m. Scattered storms continuing to pop up in the Phoenix metro. Strong winds, frequent lightning, small hail, brief heavy rain, and blowing dust all possible.
4:40 p.m. Sky12 is tracking monsoon storms in the Valley on Wednesday afternoon.
4:35 p.m. A look from Perryville, Ariz.
4:30 p.m. Dust in the West Valley continues!
4:10 p.m. Severe Thunderstorm Warning continues for Cave Creek, Carefree AZ and Camp Creek AZ until 4:45 p.m.
4:00 p.m. Severe Thunderstorm Warning until 4:45 p.m. for Scottsdale, Cave Creek, Carefree, Desert Mtn., Camp Creek, Seven Springs.
3:55 p.m. Severe Thunderstorm Warning continues for Avondale, Goodyear and Buckeye until 4:15 p.m.
3:50 p.m. Dust spotted along I-17 near Deer Valley and Pinnacle Peak roads.
3:40 p.m. Severe Thunderstorm Warning until 4:15 p.m. for Phoenix, Glendale, Surprise, Avondale, Goodyear, Buckeye, El Mirage, Tolleson, Youngtown, Sun City West, Sun City, Waddell and Litchfield Park.
3:35 p.m. Storm system from the north created a large outflow that pushed dust into the area near Surprise and Sun City West.
3:30 p.m. Severe Thunderstorm Warning including Surprise, Avondale and Goodyear until 4:15 p.m.
3:25 p.m. Dust is moving into parts of the West Valley including Glendale, Surprise, Avondale and Buckeye.
3:25 p.m. It's raining in Northern Arizona! Check out these videos from Prescott Valley submitted by our 12News Weather Watchers.
3:10 p.m. The National Weather Service has issued a dust advisory for Maricopa County in South Central Arizona until 3:45 p.m.
3 p.m.: A flash flood warning is in effect for Maricopa County until 7 p.m.
2:40 p.m. US 89 southbound has reopened near Flagstaff, according to the Arizona Department of Transportation.
2:35 p.m. Storms are beginning to move into the Phoenix area from the north.
2:15 p.m. A Flash Flood Warning is in effect until 5:30 p.m. for portions of Yavapai County.
2:10 p.m. US 89 northbound has reopened near Flagstaff, according to the Arizona Department of Transportation.
2:00 p.m. A Flood Watch for central and eastern Arizona will begin Friday at 11 a.m. through 11 p.m. Saturday.
1:25 p.m.: U.S. 89 is closed in both directions at milepost 425 north of Flagstaff, according to the Arizona Department of Transportation.
The closure is due to flooding. There is no estimated reopening time.
1:20 p.m.: Parts of Yavapai and Coconino counties are under a flash flood warning.
12:21 p.m.: Video shows the Campbell ditch overflowing on the Henry Drive bridge.
12:07 p.m.: Pipeline Fire and Shultz Fire burn scars are seeing flash flooding
Noon: Flagstaff is seeing heavy rain and water runoff
11:54 a.m.: A flash flood warning is in effect for parts of Coconino County.
Stay tuned as we continue to track the latest weather developments throughout the week.
Arizona weather
Drought, wildfires, heat and monsoon storms: Arizona has seen its fair share of severe weather. Learn everything you need to know about the Grand Canyon State's ever-changing forecasts here: