It is narrated from Sayyiduna Ibn Umar (may Allah be pleased with them both) that tayammum is to be performed for every prayer, even if one has not lost his ablution.
Its chain is sahih (authentic).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 1054
Hadith Gradingمحدثین:حسن
Hadith Takhrij«حسن۔ أخرجه المؤلف في المعرفة 337»