Tucson Weather

tucsonwx@msto.cx

A bot. Not official. For warnings use weather.gov/twcMornings: the Tucson forecast office summary, word for word. Revisions post as replies, so a day reads as one thread.After rain: totals from Pima County's gauge network, plus which washes ran and how far they rose. Dry days, nothing.Rainfall totals are still being dialed in and may be corrected.The airport can read zero while your street floods. So it reads the whole network, not one station.Capture photos of the weather? Tag me for a boost.Real-time NWS alerts: <a href="https://msto.cx/@tucsonwxalerts" class="u-url mention">@tucsonwxalerts</a>

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Southeast Arizona is still on track to be quite busy over the next few days as a strong trough of low pressure along the West Coast makes its way through Arizona today into Tuesday. This system will interact with deep tropical moisture moving into the area from the south and southwest to produce widespread showers and thunderstorms across the region. These storms will be capable of producing heavy rainfall that could lead to flash flooding concerns. Thereafter, dry conditions are forecast for th...
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A moisture increase is expected from the southwest Sunday resulting in mid and high level cloud cover and a slight chance of showers and thunderstorms. Deep tropical moisture will move into the area from the south Monday and Tuesday. A low pressure system moving in from the West Coast will interact with this moisture, resulting in widespread showers and thunderstorms. Dry conditions are then forecast for the second half of next week. High temperatures will be a couple of degrees above normal tod...
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Another chance for showers and thunderstorms today for areas of southeastern Arizona with the stronger thunderstorms producing heavy rainfall and an isolated threat of flash flooding. Drier air then overspreads southeast Arizona Friday and Saturday. Moisture moves back into the area late in the weekend into early next week, for a return of the chance of showers and thunderstorms. High temperatures will be several degrees below normal through Thursday, warming just above normal over the weekend a...
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Drier air across southeast Arizona will continue into Monday. Moisture then spreads back across portions of southeast Arizona next week for a chance of showers and thunderstorms. High temperatures will be near to slightly above normal into the middle of next week. Issued 1:17 AM MST, Sat Sep 19 https://forecast.weather.gov/product.php?site=TWC&issuedby=TWC&product=AFD&format=CI&version=1&glossary=0 Active alerts: @tucsonwxalerts@msto.cx #azwx #tucsonwx
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Lingering showers this morning with a chance of storms along the Arizona and New Mexico border this afternoon and evening. Drier conditions move in Friday limiting the daily chance through this weekend into early next week. High temperatures will be below normal today, then be around normal Friday into early next week. Issued 3:19 AM MST, Thu Sep 17 https://forecast.weather.gov/product.php?site=TWC&issuedby=TWC&product=AFD&format=CI&version=1&glossary=0 Active alerts: @tuc...
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An active week ahead with daily chances of showers and thunderstorms. Elevated precipitation chances today with a Flash Flood Watch for portions of southeast Arizona. Daily high temperatures will fluctuate between near normal and a few degrees below normal. Issued 3:04 AM MST, Mon Sep 14 https://forecast.weather.gov/product.php?site=TWC&issuedby=TWC&product=AFD&format=CI&version=1&glossary=0 Active alerts: Flood Watch (@tucsonwxalerts@msto.cx) #azwx #tucsonwx
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Expect isolated to scattered thunderstorms this afternoon and evening, especially across Cochise county southeast of Tucson. Heavy rainfall will the primary hazard from storms today. An increase in thunderstorm coverage is expected south of Tucson Friday, with a more typical isolated to scattered coverage of storms anticipated this weekend into next week. High temperatures will will fluctuate between near normal and a few degrees below normal. Issued 1:00 AM MST, Thu Sep 10 https://forecast.we...
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Expect scattered thunderstorms through Monday with storms capable of strong to severe wind gusts and heavy rainfall. After Monday storm chances begin to decrease. High temperatures will be around normal through much of the coming week. Issued 2:48 AM MST, Sun Aug 30 https://forecast.weather.gov/product.php?site=TWC&issuedby=TWC&product=AFD&format=CI&version=1&glossary=0 Active alerts: Flood Watch (@tucsonwxalerts@msto.cx) #azwx #tucsonwx
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Expect daily chances of showers and thunderstorms through Thursday with day to day variability in storm coverage. A drier southwest flow aloft will bring a downturn in daily storm activity Friday into the weekend. High temperatures will be near normal today, then 3 to 6 degrees below normal tomorrow and Thursday before temperatures warm again into the weekend. Issued 4:58 AM MST, Tue Aug 11 https://forecast.weather.gov/product.php?site=TWC&amp;issuedby=TWC&amp;product=AFD&amp;forma...
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The combination of a shifting weather pattern aloft and deep moisture residing across the region will result in scattered showers and thunderstorms across Southeast Arizona with the potential for heavy rain the next few days. Although most of the storms will produce between a half and one inch of rain, the stronger storms are capable of producing locally heavier amounts between 1-3 inches. Otherwise, a drier southwest flow aloft will bring a downturn in daily storm activity Friday into the weeke...
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An upper level weather system to our west will bring the needed dynamics today for scattered showers and thunderstorms. Some of the storms will produce brief heavy rain. This system will also draw in drier air Friday into the weekend resulting in a low-grade monsoon pattern with chance of storms each day mainly south and east of Tucson. A little more active monsoon pattern sets in early next week. Temperatures will be below normal today, then warm up again to above normal this weekend into next...
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Expect a downturn in thunderstorm activity starting today as drier air begins to push into Southeast Arizona. Hot conditions then return late this weekend with an Extreme Heat Watch in effect for portions of Southeast Arizona Monday though Wednesday of next week. A more active thunderstorm pattern returns the second half of next week. Issued 2:17 AM MST, Fri Aug 14 https://forecast.weather.gov/product.php?site=TWC&amp;issuedby=TWC&amp;product=AFD&amp;format=CI&amp;version=1&amp...
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Expect a slight chance of afternoon thunderstorms today as the combination of drier-air and a more stable atmosphere aloft will limit thunderstorm activity across all of Southeast Arizona. Hot conditions will return late this weekend with an Extreme Heat Watch in effect for portions of Southeast Arizona Monday though Wednesday of next week. A more active thunderstorm pattern returns the second half of next week. Issued 1:35 AM MST, Sat Aug 15 https://forecast.weather.gov/product.php?site=TWC&a...
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The combination of drier-air and a more stable atmosphere aloft will limit thunderstorm activity across Southeast Arizona to areas mainly along and near the Arizona and New Mexico state line, especially along over the higher terrain. Hot conditions will return this week with an Extreme Heat Warning in effect for portions of Southeast Arizona Monday though Friday. Otherwise, a more active thunderstorm pattern will return the second half of the upcoming week. Issued 1:44 AM MST, Sun Aug 16 https...
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Today starts the second half of the 2026 Monsoon. Expect daily chances of showers and thunderstorms over the 7 days across southeast Arizona with day to day variability in coverage. High temperatures today and Sunday will run 5 to 8 degrees above normal, then around normal next week. Issued 2:55 AM MST, Sat Aug 8 https://forecast.weather.gov/product.php?site=TWC&issuedby=TWC&product=AFD&format=CI&version=1&glossary=0 Active alerts: @tucsonwxalerts@msto.cx #tucson
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Chances for thunderstorms will develop each afternoon and evening this week with day to day variability. Thunderstorms may produce severe outflow winds with areas of blowing dust, as well as locally heavy rainfall with a flash flooding risk. High temperatures will remain a few degrees above normal through the week. Issued 3:06 AM MST, Tue Aug 4 https://forecast.weather.gov/product.php?site=TWC&issuedby=TWC&product=AFD&format=CI&version=1&glossary=0 Active alerts: @tucsonwx...
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Storm coverage and chances continues this afternoon and evening, but especially ramp up next week with a more active pattern. High temperatures will be 8-12 degrees above normal through Monday with gradual modest cooling thereafter. The Extreme Heat Warning is in effect through Monday. Issued 2:35 AM MST, Sun Aug 2 https://forecast.weather.gov/product.php?site=TWC&issuedby=TWC&product=AFD&format=CI&version=1&glossary=0 #tucson
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Storm coverage and chances continues this afternoon and evening, but especially ramp up next week with a more active pattern. High temperatures will be 4-7 degrees above normal through Monday with gradual modest cooling thereafter. The Extreme Heat Warning is in effect through Monday. Issued 9:00 PM MST, Sun Aug 2 https://forecast.weather.gov/product.php?site=TWC&issuedby=TWC&product=AFD&format=CI&version=1&glossary=0 #tucson
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Storm coverage and chances increases this afternoon and evening for area east of Tucson, but especially ramp up next week with a more active pattern. High temperatures will be 8-15 degrees above normal through Monday with gradual modest cooling thereafter. The Extreme Heat Warning is in effect through Monday. https://forecast.weather.gov/product.php?site=TWC&issuedby=TWC&product=AFD&format=CI&version=1&glossary=0 #tucson