The forecast calls for a 90 percent chance of rain and potential thunderstorms on Monday.

A flash flood warning has been issued for Maricopa and the greater Phoenix metropolitan area through Tuesday at 5 p.m.

“An increase in the tropical moisture will aid in generating showers and thunderstorms; producing heavy rain at times,” The National Weather Service said in a statement. “The heavy precipitation threat will remain over the region through Tuesday afternoon. Rainfall estimates through Tuesday morning range from one to two inches over the southwest and central deserts of Arizona.”

The forecast calls for a 90 percent chance of rain and potential thunderstorms on Monday. The storm system moved in Monday morning and is expected to linger through Wednesday morning. The majority of the rainfall is expected Monday afternoon and evening.

Monday will also see a high near 90 degrees, and wind gusts up to 17 mph. The area is under a flash flood warning, so commuters should be aware of sitting water on roadways and hazardous driving conditions.

“A flash flood watch means that flooding of washes, creeks and other drainage areas is possible within the watch area,” the NWS released in a statement. “Residents and motorists living or traveling in the flood prone areas should concern themselves with the flood potential. If you are in the watch area, you should watch the weather and be prepared to take immediate action should heavy rain and flooding occur.”

The storm is expected to lose momentum by Tuesday, but there is still an 80 percent chance of rain and thunderstorms through the afternoon. The flash flood warning is set to expire at 5 p.m., but moisture is still expected through the night. The projected high is just 88 degrees, and winds could reach up to 11 mph.

The lingering portions of the storm are expected to blow out by Wednesday afternoon. There is a 10 percent chance of showers before 11 a.m., but the sun is expected to break through after that. The projected high is 92 degrees, and the wind is expected to stay calm near 7 mph.

Thursday is expected to return to typical conditions for the season. The forecast calls for mostly sunny skies with a high near 98 degrees.

Friday, as well as the rest of the weekend, is expected to see mostly clear skies with highs in the triple digits as well.