National Weather Service United States Department of Commerce

A stalled frontal boundary and ample monsoonal moisture will lead to flash flood potential from the Great Basin to the Great Plains tonight and Tuesday

A stalled frontal boundary will set up along the southern and central Rockies for the next couple of days providing focus for showers and thunderstorms. In addition, ample monsoonal moisture will stream in across the southwest bringing enough moisture to introduce a flash flood threat from the Great Basin and Southwest eastward across the central and southern Rockies into the adjacent Plains.
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Current Conditions

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Tucson AZ

7 Day Forecast

For More Weather Information:

Tucson, AZ Local Forecast Office

Overnight

Mostly Clear

Mostly
Clear

Low: 77 °F

Tuesday

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 100 °F

Tuesday
Night

Isolated Thunderstorms Chance for Measurable Precipitation 10%

Isolated
Thunderstorms

Low: 79 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 103 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 79 °F

Thursday

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

High: 102 °F

Thursday
Night

Isolated Thunderstorms Chance for Measurable Precipitation 20%

Isolated
Thunderstorms

Low: 80 °F

Friday

Scattered Thunderstorms Chance for Measurable Precipitation 30%

Scattered
Thunderstorms

High: 99 °F

Friday
Night

Scattered Thunderstorms Chance for Measurable Precipitation 30%

Scattered
Thunderstorms

Low: 76 °F

Detailed Forecast

  • Overnight Mostly clear, with a low around 77. Southeast wind around 8 mph.
  • Tuesday Isolated showers and thunderstorms after 11am. Mostly sunny, with a high near 100. Southeast wind 6 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
  • Tuesday Night Isolated showers and thunderstorms before 11pm. Partly cloudy, with a low around 79. Northwest wind 6 to 10 mph becoming southeast after midnight. Chance of precipitation is 10%.
  • Wednesday Mostly sunny, with a high near 103. South southwest wind 7 to 11 mph becoming west northwest in the afternoon.
  • Wednesday Night Partly cloudy, with a low around 79. West wind 6 to 10 mph becoming south after midnight.
  • Thursday Isolated showers and thunderstorms after 11am. Mostly sunny, with a high near 102. Chance of precipitation is 20%.
  • Thursday Night Isolated showers and thunderstorms before 11pm. Mostly cloudy, with a low around 80. Chance of precipitation is 20%.
  • Friday Scattered showers and thunderstorms. Partly sunny, with a high near 99. Chance of precipitation is 30%.
  • Friday Night Scattered showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 30%.
  • Saturday Scattered showers and thunderstorms. Partly sunny, with a high near 97. Chance of precipitation is 40%.
  • Saturday Night Scattered showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.
  • Sunday Scattered showers and thunderstorms. Partly sunny, with a high near 94. Chance of precipitation is 40%.
  • Sunday Night Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 40%.
  • Monday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 95.