Formal:
* ਇੱਥੇ ਵਰਖਾ ਹੋ ਰਹੀ ਹੈ। (Ittha varekha ho rahi hai.) This is the most formal way to say it.
Informal:
* ਵਰਖਾ ਪੈ ਰਹੀ ਹੈ। (Varekha pai rahi hai.) This is a more casual way to say it.
* ਬਾਰਿਸ਼ ਪੈ ਰਹੀ ਹੈ। (Barish pai rahi hai.) This is another casual way to say it, using the Hindi word for rain.
You can also say:
* ਮੀਂਹ ਪੈ ਰਿਹਾ ਹੈ। (Meeh pai riha hai.) This is a more colloquial way to say it, using the Punjabi word for rain.
* ਬਾਰਿਸ਼ ਆ ਰਹੀ ਹੈ। (Barish aa rahi hai.) This means "The rain is coming", implying it's about to start raining.
Remember to use the appropriate pronoun for "here" if you're talking about a specific location, e.g.:
* ਉੱਥੇ ਵਰਖਾ ਹੋ ਰਹੀ ਹੈ। (Uthhe varekha ho rahi hai.) - There (at that place), it's raining.
No matter which phrase you choose, remember to use the correct pronunciation and intonation to ensure your meaning is understood!